Shanghai Huabang Industrial Business Network - spare parts and accessories

[commutator]Q49D type commutator

2026-6-18 18:41:44

Q49D type commutator

Number of films: 21
Outer diameter: Ø 28.5 0-0.052
Inner hole diameter: Ø 12+0.022 0

Hook (lifting plate) outer diameter: 29 ± 0.15
Axial total length: 26+0.25
Reversing blade length: 23.5
Hook (wire slot) length: 5.5
Hook angle:
Mica groove length: 15.5
Mica groove depth: 1.1 ± 0.05
Mica groove width: 0.65 ± 0.03
Mica thickness: 0.5
Inner diameter of hook end sinkhole: 14.9
Hook end sinkhole depth: 3.5
Hook free protrusion diameter: 23
Hook free convex platform length: 1

[commutator]QE02 type commutator

2026-6-18 18:41:35

QE02 type commutator

Code: QE02
Number of films: 25
Outer diameter: Ø 59+0.10-0.10
Inner hole diameter: Ø 24.1+0.100

Hook (lifting plate) outer diameter: 58 ± 0.10
Axial total length: 19.5 ± 0.20
Reversing blade length: 4.65
Hook (welding wire slot) length: 1.7
Hook angle: 30 °
Mica groove length: milled through
Mica groove depth: 0.7
Mica groove width: 0.7
Mica thickness:
Inner diameter of hook end sinkhole: 27
Depth of hook end sinkhole: 2
Diameter of hooked convex platform:
Hook free convex platform length:

[commutator]DZQB-11-10 commutator

2026-6-18 18:41:27

DZQB-11-10 commutator

[Instrument accessories]XJ2370 type high-voltage probe

2026-6-17 11:49:35

XJ2370 High Voltage Probe

Model number		XJ23700 3kV high voltage probe	XJ23702 type 30kV high voltage probe
sex can point mark	rise time	��35ns	��17.5ns
	Maximum allowable input voltage	3kV	30kV
	input impedance	100M��//3pF	100M��//12pF
	decay ratio	100�s1	1000�s1
	Upward impulse	Cooperate with the oscilloscope, not exceeding the rated value of the corresponding oscilloscope
	phase correction	By using an oscilloscope, correct compensation can be obtained
	Electrical insulation resistance	��100M��	��100M��
	Interface terminal	Q9	Q9
	cable length	1.5m	1.5m

[Instrument accessories]Probe for XJ23200 oscilloscope

2026-6-17 11:49:26

Probe for XJ23200 100MHz Oscilloscope

serial number	Name	Indicator
one	switch position	×10	×1
two	bandwidth	DC-100MHz	DC-6MHz
three	rise time	��3.5nS	��50nS
four	decay ratio	10�U1	1�U1
five	scope of compensation	18pF-45pF
six	input impedance	10M��//16pF	1M��//50pF
seven	Upward impulse	Cooperate with the oscilloscope to ensure that it does not exceed the rated value of the corresponding oscilloscope
eight	Phase calibration	Cooperating with an oscilloscope can obtain correct compensation
nine	Maximum allowable input voltage	400V(DC-ACp)
ten	Electrical insulation resistance	��100M��
eleven	Output plug/interface	BNC(Q9)
twelve	cable length	1.2m

[Instrument accessories]Probe for EN_1 oscilloscope

2026-6-17 11:49:17

Probe for XJ23202 60MHz Oscilloscope

serial number	Name	Indicator
one	switch position	×10	×1
two	bandwidth	DC-60MHz	DC-6MHz
three	rise time	��5nS	��50nS
four	decay ratio	10�U1	1�U1
five	scope of compensation	22pF-45pF
six	input impedance	10M��//20pF	1M��//50pF
seven	Upward impulse	Cooperate with the oscilloscope to ensure that it does not exceed the rated value of the corresponding oscilloscope
eight	Phase calibration	Cooperating with an oscilloscope can obtain correct compensation
nine	Maximum allowable input voltage	400V(DC-ACp)
ten	Electrical insulation resistance	��100M��
eleven	Output plug/interface	BNC(Q9)
twelve	cable length	1.2m

[Instrument accessories]Probe for EN_1 oscilloscope

2026-6-17 11:49:09

XJ23400A 20MHz oscilloscope probe

serial number	Name	Indicator
one	switch position	×10	×1
two	bandwidth	DC-20MHz	DC-6MHz
three	rise time	��17.5nS	��50nS
four	decay ratio	10�U1	1�U1
five	scope of compensation	25pF-45pF
six	input impedance	10M��//25pF	1M��//50pF
seven	Upward impulse	Cooperate with the oscilloscope to ensure that it does not exceed the rated value of the corresponding oscilloscope
eight	Phase calibration	Cooperating with an oscilloscope can obtain correct compensation
nine	Maximum allowable input voltage	400V(DC-ACp)
ten	Electrical insulation resistance	��100M��
eleven	Output plug/interface	BNC(Q9)
twelve	cable length	1.2m

[Instrument accessories]YD-1 Four terminal testing fixture

2026-6-17 11:48:59

YD-1 Four Terminal Test Fixture

[Instrument accessories]CD series testing pliers

2026-6-17 11:48:51

The CD series test pliers use ABS with high pressure resistance and strength as the clamp frame, and high-quality copper material with a certain hardness. After stamping and special nickel plating treatment, the pliers are formed into jaws. The jaws are divided into upper and lower layers and insulated to separate current and voltage. The CD series testing pliers have movable jaws and surface contact, making them convenient, safe, strong, and have good contact performance. CD-1 type test pliers are suitable for contact resistance testing; CD-2 type test pliers are suitable for circuit resistance testing; CD-3 type test pliers are suitable for various high-voltage switch and other tests.

CD series test pliers with several different specifications and parameters

CD series testing pliers

[Instrument accessories]HNO3 Stainless steel pipe

2026-6-17 11:48:42

HNO3 stainless steel pipe

All stainless steel pipes are passivated with HNO3 and cleaned with methanol ultrasonic cleaning to ensure chromatographic use
Smooth inner surface ensures optimal gas-liquid flow
The annealed outer surface is bright and free of burrs, which is conducive to joint connection
Suggest using a 0.020 "or 0.030" ID tube to transport the mobile phase from the pump to the injection valve
It is recommended to use a 0.010 "ID tube from the injection valve to the chromatographic column and from the chromatographic column to the detector, and keep these two distances as short as possible. This can reduce the out of column effect
Provide various lengths of pre cut stainless steel pipes

Part NO.	outer diameter	inner diameter
625-04	1/16��	0.005"��0.1mm��
625-05	1/16��	0.007"��0.2mm��
eleven thousand two hundred and seventy-one	1/16��	0.01"��0.25mm��
eleven thousand two hundred and seventy-two	1/16��	0.02"��0.5mm��
eleven thousand two hundred and seventy-three	1/16��	0.03"��0.75mm��
eleven thousand two hundred and seventy	1/16��	0.04"��1.0mm��

HNO3 stainless steel pipe

[Instrument accessories]Column-Guard protective column

2026-6-17 11:48:34

Column Guard Protection Column

In HPLC systems, it cannot be guaranteed that the injected samples can be completely eluted, especially for traditional Chinese medicine and blood samples. Although the injection volume is small, there will always be some residue in the column head after each injection, which will cause column head failure over time. This new type of protective column component combines the strength of stainless steel with the convenience and efficiency of PEEK pre filled column cores. Without the need for tools, place a small section of the protective column with the same packing as the column between the injection valve and the chromatographic column, which will extend the lifespan of the chromatographic column and ensure reproducibility of results.

Part No	Desc.
six hundred thousand two hundred and twenty	Protective column components (including C18/3 column cores)
six hundred thousand two hundred and thirty	Protective column components (including C8/3 column cores)
six hundred thousand two hundred and forty	Protective column components (including column core NH)_two/3 of them)
six hundred thousand two hundred and fifty	Protective column components (including column core Sil/3 pieces)
six hundred thousand two hundred and sixty	Protective column components (including Phen/3 column cores)
six hundred thousand two hundred and ten	Protective column components (including column core CN/3 pieces)
six hundred thousand two hundred and twenty-one	Protective column cover
six hundred and twelve thousand one hundred and eleven	Core (10/bag), C-18
six hundred and twenty-two thousand one hundred and eleven	Core (10/bag), C-8
six hundred and thirty-two thousand one hundred and eleven	Core (10/bag), Silica
six hundred and forty-two thousand one hundred and eleven	Core (10/bag), NH_two
six hundred and fifty-two thousand one hundred and eleven	Core (10/bag), CN
six hundred and sixty-two thousand one hundred and eleven	Core (10/bag), Phen

Column Guard Protection Column

[Insulated wire clamp]NLY series crimping type cable clamp

2026-6-17 11:29:17

NLY series crimping type cable clamp

model	Applicable outer diameter of steel strand (mm)	Main dimensions (mm)				Nominal failure load (kN)
model	Applicable outer diameter of steel strand (mm)	C	M	L	L1	Nominal failure load (kN)
NLY-50	1×7-9.0-1370-GB1200-75	sixty-two	eighteen	three hundred and twenty	two hundred and thirty	sixty-five point one
NLY-70	1×7-9.0-1370-GB1200-75	sixty-two	eighteen	three hundred and twenty	two hundred and thirty	ninety-one point one
NLY-100	1×19-13.0-1470-GB1200-75	seventy-four	twenty-two	five hundred	three hundred	one hundred and thirty-nine point six
NLY-120	1×19-14.0-1470-GB1200-75	eighty-two	twenty-four	five hundred and eighty	three hundred and fifty	one hundred and sixty-seven point six
NLY-135	1×19-15.0-1470-GB1200-75	eighty-two	twenty-four	five hundred and eighty	three hundred and fifty	one hundred and eighty-eight point five
NLY-150	1×19-16.0-1470-GB1200-75	one hundred and four	twenty-four	five hundred and eighty	four hundred	two hundred and nine point five
NLY-165	1×37-16.8-1470-GB1200-75	one hundred and four	twenty-seven	five hundred and eighty-eight	four hundred	two hundred and thirty point four
NLY-180	1×37-17.5-1470-GB1200-75	one hundred and fourteen	thirty	six hundred and forty	four hundred and fifty	two hundred and fifty-one point four
NLY-195	1×37-18.2-1470-GB1200-75	one hundred and fourteen	thirty	six hundred and forty	four hundred and sixty	two hundred and seventy-two point three
NLY-265	1×37-21.0-1470-GB1200-75	one hundred and twenty-eight	thirty-six	six hundred and seventy	four hundred and ninety	three hundred and sixty-seven
NLY-100E	1×19-13.0-1570-GB1200-88	eighty-eight	twenty-two	four hundred and ninety	three hundred	one hundred and fifty-one
NLY-125E	1×19-14.5-1570-GB1200-88	ninety-four	twenty-four	five hundred and eighty	three hundred and eighty	one hundred and eighty-eight
NLY-150E	1×19-16.0-1570-GB1200-88	one hundred and four	twenty-seven	six hundred and ten	four hundred	two hundred and twenty-eight
NLY-180E	1×19-17.5-1570-GB1200-88	one hundred and fourteen	thirty	six hundred and forty	four hundred and twenty	two hundred and seventy-three
NLY-240E	1×19-20.0-1570-GB1200-88	one hundred and twenty-eight	thirty-six	six hundred and seventy	four hundred and forty	three hundred and fifty-seven

The body and inner wedge are made of malleable cast iron (NX-4 is a cast steel component), and the surface is hot-dip galvanized.

[Insulated wire clamp]NX series wedge type cable clamp

2026-6-17 11:29:08

NX series wedge type cable clamp

model	Industry standard model	Applicable steel strand		Main dimensions				Nominal failure load (kN)	Weight (kg)
model	Industry standard model	Cross section (mm2)	Outer diameter (mm)	C	M	L	R	Nominal failure load (kN)	Weight (kg)
NX-1	NE-1	25~35	��6.6~7.8	eighteen	sixteen	one hundred and fifty	six	forty-five	one point one nine
NX-2	NE-2	50~70	��9.0~11.0	twenty	eighteen	one hundred and eighty	seven point three	eighty-eight	one point seven six
NX-3		100~125	��13.0~14.0	twenty-four	twenty-four	two hundred	seven point three	one hundred and forty-three	three point two zero
NX-4		135~150	��15.0~16.0	twenty-eight	twenty-seven	two hundred and twenty	eight	one hundred and sixty-four	five point three zero

The body and inner wedge are made of malleable cast iron (NX-4 is a cast steel component), and the surface is hot-dip galvanized.

[Insulated wire clamp]SYG series compression type copper aluminum transition equipment wire clamp A(B)

2026-6-17 11:29:00

SYG series compression type copper aluminum transition equipment wire clamp A (B)

model	Applicable conductor		Main dimensions						Reference weight
model	model	outer diameter	b	S	D	L	a	��	Reference weight
SYG-l20/7A	LGJ-l20/7	fourteen point five zero	fifty	ten	twenty-six	eighty	eighty-five	sixteen	zero point two eight
SYG-l50/8A	LGJ-l50/8	sixteen	fifty	ten	thirty	ninety	eighty-five	seventeen point five	zero point three three
SYG-l50/20A	LGJ-l50/20	sixteen point six seven	fifty	ten	thirty	ninety	eighty-five	18.O	zero point three two
SYG-l85/l0A	LGJ-l85/l0	18.OO	fifty	ten	thirty-two	ninety	eighty-five	nineteen point five	zero point four zero
SYG-l85/25A	LGJ-l85/25	eighteen point nine zero	fifty	ten	thirty-two	ninety	eighty-five	twenty point five	zero point three nine
SYG-210/l0A	LGJ-210/10	nineteen	fifty	ten	thirty-four	one hundred	eighty-five	twenty point five	zero point four three
SYG-210/25A	LGJ-210/25	nineteen point nine eight	fifty	ten	thirty-four	one hundred	eighty-five	twenty-one point five	zero point four two
SYG-240/30A	LGJ-240/30	twenty-one point six zero	fifty	twelve	thirty-six	one hundred	eighty-five	23.O	zero point four four
SYG-300/l5A	LGJ-300/l5	23.Ol	sixty-three	twelve	forty	one hundred and ten	one hundred and five	twenty-four point five	zero point seven nine
SYG-300/20A	LGJ-300/20	twenty-three point four three	sixty-three	twelve	forty	one hundred and ten	one hundred and five	25.O	zero point seven eight
SYG-300/25A	LGJ-300/25	twenty-three point seven six	sixty-three	twelve	forty	one hundred and ten	one hundred and five	twenty-five point five	zero point seven seven
SYG-300/40A	LGJ-300/40	twenty-three point nine four	sixty-three	twelve	forty	one hundred and ten	one hundred and five	twenty-five point five	zero point seven seven
SYG-400/20A	LGJ-400/20	26.9l	sixty-three	thirteen	forty-five	one hundred and twenty	one hundred and five	twenty-eight point five	zero point eight five
SYG-400/25A	LGJ-400/25	twenty-six point six four	sixty-three	thirteen	forty-five	one hundred and twenty	one hundred and five	twenty-eight point five	zero point eight five
SYG-400/35A	LGJ-400/35	twenty-six point eight two	sixty-three	thirteen	forty-five	one hundred and twenty	one hundred and five	twenty-eight point five	zero point eight five
SYG-400/50A	LGJ-400/50	twenty-seven point six three	sixty-three	thirteen	forty-five	one hundred and twenty	one hundred and five	twenty-nine point five	zero point eight three
SYG-500/35A	LGJ-500/35	thirty	eighty	sixteen	fifty-two	one hundred and thirty	eighty-five	thirty-one point five	one point one five
SYG-500/45A	LGJ-500/45	thirty	eighty	sixteen	fifty-two	one hundred and thirty	eighty-five	thirty-one point five	one point one five
SYG-500/65A	LGJ-500/65	thirty point nine six	eighty	sixteen	fifty-two	one hundred and thirty	eighty-five	thirty-two point five	one point one zero
SYG-630/45A	LGJ-630/45	thirty-three point six zero	one hundred	twenty	sixty	one hundred and fifty	one hundred and five	thirty-five point five	one point eight four
SYG-630/55A	LGJ-630/55	thirty-four point three two	one hundred	twenty	sixty	one hundred and fifty	one hundred and five	thirty-six	one point eight three
SYG-630/80A	LGJ-630/80	thirty-four point eight two	one hundred	twenty	sixty	one hundred and fifty	one hundred and five	thirty-six point five	one point eight two
SYG-800/55A	LGJ-800/55	thirty-eight point four zero	one hundred and twenty-five	twenty-two	sixty-five	one hundred and seventy	one hundred and thirty	forty	3.O5
SYG-800/70A	LGJ-800/70	thirty-eight point five eight	one hundred and twenty-five	twenty-two	sixty-five	one hundred and seventy	one hundred and thirty	forty point five	3.O2
SYG-800/lOOA	LGJ-800/l00	thirty-eight point nine eight	one hundred and twenty-five	twenty-two	sixty-five	one hundred and seventy	one hundred and thirty	forty point five	3.O2

[Insulated wire clamp]JGH-3 type single core cable clamp

2026-6-17 11:28:51

The JGH-3 single core cable clamp is made of high-strength anti-corrosion aluminum alloy material and comes with a chloroprene rubber pad.

Suitable for fixed placement of single core high-voltage cables in tunnels, trenches, elevated structures, and other occasions.

The clamping mechanism of JGH-3 single core cable clamp adopts bolt and spring flexible fixation, and the fixed cable is wrapped with rubber pads, which does not damage the cable,
The bottom bolt hole is an open long waist shaped hole, and the installation hole spacing can be adjusted within a certain range.

model	Applicable cable outer diameter	L1±10��mm��	L2	L3	L4
JGH-3	��121-��145	one hundred and ninety	two hundred and thirty	eighty	ninety

Product Structure Diagram:

[Insulated wire clamp]H type parallel groove clamp

2026-6-17 11:28:43

Compared with traditional wire clamps, H-type wire clamps have the following obvious advantages:
1. H-type wire clamps can be used to crimp aluminum wire to aluminum wire, aluminum wire to copper wire, as well as to crimp wires of the same or different diameters.
2. The H-type wire clamp is designed with an enlarged anode, without copper aluminum transition issues, and will not corrode.
3. The H-type wire clamp is filled with anti oxidation protective oil, which can prevent corrosion and enhance conductivity. The structure is simple and integrally formed, ensuring product quality. When using hydraulic tools for crimping, the quality of the crimping can be guaranteed.
4. The H-type wire clamp tightly covers the wire after crimping and connecting it, rather than locally contacting the wire. The current passes through the complete contact surface, with uniform distribution, low resistance, low temperature rise, few faults, and good power supply reliability.
5. The H-type wire clamp only requires 6 specifications to fully meet the crimping connection needs of all 16-240mm ² aluminum stranded wires, aluminum core insulated wires, steel core aluminum stranded wires, copper stranded wires, and copper core insulated wires. It can replace 5 specifications of GB2335.1 parallel groove clamp, 15 specifications of GB2335.2 jumper clamp, and 18 specifications of GB2340T clamp, totaling 38 specifications.
6. H-type wire clamps, due to their limited specifications, can alleviate inventory and capital backlog issues, as well as reduce human resources for warehouse hardware construction, procurement, and warehouse management. Small specifications, light weight, easy to carry, can reduce the workload of construction personnel and increase work efficiency.
7. The H-type wire clamp crimping connection is fast, which is conducive to power fault repair, early power supply, and reduces the social harm caused by power outages, especially in traffic signals, furnaces, refrigeration, and high-tech industries.
8. The H-type wire clamp has good tension, resistance, and temperature rise conditions, with fewer faults, which can reduce power line energy loss and save national energy. It will not cause power outages or affect electricity sales revenue due to joint accidents.
9. The H-type wire clamp is lightweight and has good functionality. Replacing the parallel groove wire clamp with it can save a lot of national resources. Two clamps are required for the connection of each wire, and only one H-type clamp is needed. Due to the same purpose of use, the weight of the parallel groove clamp is about 9 times more than that of the H-type clamp.
10. When using H-type wire clamps for live work, only one is needed for each connection, and hydraulic pliers with insulated handles are used for crimping, making construction simple and preventing electric shock accidents for workers.
11. GB2335.1 Parallel groove clamps can only clamp aluminum stranded wires and steel core aluminum stranded wires, and cannot clamp copper stranded wires. They can only clamp wires of the same diameter and cannot clamp wires of different diameters, which greatly limits their functionality.
12. The parallel groove clamp is fastened with bolts and connected with aluminum sheets, resulting in a small contact area, uneven current distribution, high resistance, and high temperature rise. Moreover, its contact surface is difficult to avoid corrosion and accidents under wind and rain invasion.
13. When the parallel trench clamp is used for live work, two or more bolts are required at each joint. The operator needs to wear rubber gloves on both hands and leather gloves, and use a wrench tool to lock the nut. The action is not flexible and the construction difficulty is high, making it more prone to electric shock accidents.
14. Regardless of the type of bolt used for the parallel groove clamp, the torque applied to the nut should be appropriate and correct in order to maintain a good connection. However, in reality, the quality of on-site construction personnel varies, making it difficult to obtain an appropriate torque. Excessive pressure can cause bolt breakage or deformation of the connecting wire, while insufficient pressure can lead to high contact resistance and temperature rise, which can easily cause connection failure accidents, making it its biggest disadvantage.

[Insulated wire clamp]SL Aluminum equipment wire clamp

2026-6-17 11:28:34

SL Aluminum Equipment Wire Clamp

model Type	Applicable conductor Conductor mm^two	Main dimensions (mm)
model Type	Applicable conductor Conductor mm^two	A	B	L_one	L_two
SL-1 (Single hole)	35-50	forty	six	sixty-five	one hundred and twenty
SL-2 (Single hole)	70-95	forty	six	eighty	one hundred and thirty-six
SL-3 (double hole) double hole	35-50	forty	six	sixty-five	one hundred and forty-five
SL-4 (double hole) double hole	70-95	forty	six	eighty	one hundred and seventy-five
SL-5 (double hole) double hole	120-150	fifty	eight	one hundred and twenty-five	two hundred and twenty-five
SL-6 (double hole) double hole	185-240	fifty	eight	one hundred and twenty-five	two hundred and twenty-five
SL-7 (four hole) four hole	120-150	eighty	eight	one hundred and twenty-five	two hundred and thirty-nine
SL-8 four hole	185-240	eighty	eight	one hundred and twenty-five	two hundred and thirty-nine

[Insulated wire clamp]ST series copper equipment wire clamp

2026-6-17 11:28:26

ST series copper equipment wire clamp

model Type	Applicable conductor Conductor mm^two	Main dimensions (mm)
model Type	Applicable conductor Conductor mm^two	A	B	L_one	L_two
SL-1 (Single hole)	35-50	forty	six	sixty-five	one hundred and twenty
SL-2 (Single hole)	70-95	forty	six	eighty	one hundred and thirty-six
SL-3 (double hole) double hole	35-50	forty	six	sixty-five	one hundred and forty-five
SL-4 (double hole) double hole	70-95	forty	six	eighty	one hundred and seventy-five
SL-5 (double hole) double hole	120-150	fifty	eight	one hundred and twenty-five	two hundred and twenty-five
SL-6 (double hole) double hole	185-240	fifty	eight	one hundred and twenty-five	two hundred and twenty-five
SL-7 (four hole) four hole	120-150	eighty	eight	one hundred and twenty-five	two hundred and thirty-nine
SL-8 four hole	185-240	eighty	eight	one hundred and twenty-five	two hundred and thirty-nine

[Insulated wire clamp]SLG Copper aluminum equipment wire clamp

2026-6-17 11:28:17

The SLG copper aluminum equipment wire clamp is manufactured using internal light welding or friction welding processes. According to customer requirements, copper Aluminum transition can also be manufactured using brazing technology

Model Catalog No	Applicable conductor Conductor mm^two	Main dimensions (mm)
Model Catalog No	Applicable conductor Conductor mm^two	B	A	L	L1
SLG-1	35-50	forty	five	one hundred and forty-five	sixty-five
SLG-2	70-95	forty	five	one hundred and seventy-five	eighty
SLG-3	120-150	fifty	six	two hundred and twenty-five	one hundred and twenty-five
SLG-4	185-240	fifty	six	two hundred and twenty-five	one hundred and twenty-five

[Insulated wire clamp]JLC bolt type C wire clamp

2026-6-17 11:28:09

JLC bolt type C-type clamp specifications and technical parameters

[Insulated wire clamp]BTD series European insulation puncture wire clamp

2026-6-17 11:28:00

model	Applicable wire (mm2)		Maximum current (A)	Number of bolts (pieces)
model	main storyline	branch	Maximum current (A)	Number of bolts (pieces)
BTD-041F	6-35	1.5-10	eighty-six	1×M8
BTD-101F	6-50	6-35	two hundred	1×M8
BTD-121F	25-95	2.5-25	one hundred and sixty-one	1×M8
BTD-201F	35-95	25-95	three hundred and seventy-seven	1×M8
BTD-281F	50-185	6-35	two hundred	1×M8
BTD-401F	50-185	50-150	five hundred and four	2×M8
BTD-431F	70-240	16-95	three hundred and seventy-seven	2×M10
BTD-451F	95-240	95-240	five hundred and thirty	2×M10

BTD series European insulation puncture wire clamp

[Insulated wire clamp]BZF10-95/25 Insulation puncture wire clamp

2026-6-17 11:27:52

export model	domestic model	Applicable voltage (KV)	Applicable wire (mm2)	Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
				A	B	H
BZF10-95/25	JJCF-3	ten	25-95	one hundred and forty-four point five	one hundred and forty	ninety-two point five	two hundred and fifty-seven	two

BZF10-95/25 insulation puncture wire clamp

[Insulated wire clamp]BZF10-185/95 Insulation puncture wire clamp

2026-6-17 11:27:43

export model	domestic model	Applicable voltage (KV)	Applicable wire (mm2)	Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
				A	B	H
BZF10-185/95	JJCF10-2	ten	95-185	one hundred and fifty-two	one hundred and forty	one hundred and twelve point five	four hundred and seventy-six	two

BZF10-185/95 insulation puncture wire clamp

[Insulated wire clamp]BZF10-240/150 Insulation puncture wire clamp

2026-6-17 11:27:35

export model	domestic model	Applicable voltage (KV)	Applicable wire (mm2)	Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
				A	B	H
BZF10-240/150	JJCF10-1	ten	150-240	one hundred and sixty	one hundred and forty	one hundred and twelve point five	four hundred and seventy-six	two

BZF10-240/150 insulation puncture wire clamp

[Insulated wire clamp]BZ10-95/70 Insulation puncture wire clamp

2026-6-17 11:27:26

BZ10-95/70 insulation puncture wire clamp

export model	domestic model	Applicable wire (mm2)		Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
		main storyline	branch	A	B	H
BZ10-95/70	JJCF10-4	25-95	16-70	sixty-eight	eighty-two point five	one hundred and seven point five	two hundred and seven	two

BZ10-95/70 insulation puncture wire clamp

[Insulated wire clamp]BZ10-185/50 Insulation puncture wire clamp

2026-6-17 11:27:18

export model	domestic model	Applicable wire (mm2)		Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
		main storyline	branch	A	B	H
BZ10-185/50	JJC10-3	95-185	16-50	seventy-eight point five	seventy-seven point five	one hundred and twelve point five	one hundred and sixty-two	two

BZ10-185/50 insulation puncture wire clamp

[Insulated wire clamp]BZ10-240/150 Insulation puncture wire clamp

2026-6-17 11:27:09

export model	domestic model	Applicable wire (mm2)		Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
		main storyline	branch	A	B	H
BZ10-240/150	JJC10-2	95-240	50-150	eighty-four	eighty-three	one hundred and twelve point five	three hundred and forty-two	two

BZ10-240/150 insulation puncture wire clamp

[Insulated wire clamp]BZ10-240/240 Insulation puncture wire clamp

2026-6-17 11:27:01

export model	domestic model	Applicable wire (mm2)		Main dimensions (mm2)			Maximum current carrying capacity (A)	Number of bolts (pieces)
		main storyline	branch	A	B	H
BZ10-240/240	JJC10-1	95-240	95-240	eighty-nine	eighty-five point five	one hundred and twelve point five	four hundred and seventy-six	two

BZ10-240/240 insulation puncture wire clamp

[Insulated wire clamp]BZ240 Insulation puncture wire clamp

2026-6-17 11:26:52

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ240	JJC-8	95-240	95-240	four hundred and twenty-four	83×130×130	one thousand and fifty-eight	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ240 insulation puncture wire clamp

[Insulated wire clamp]BZ6 Insulation puncture wire clamp

2026-6-17 11:26:43

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ6	JJC-7	120-240	25-120	two hundred and seventy-six	52×68×100	three hundred and ten	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ6 insulation puncture wire clamp

[Insulated wire clamp]BZ4-150 Insulated wire clamp

2026-6-17 11:26:35

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ4-150	JJC-6	50-150	50-150	three hundred and sixteen	52×61×100	two hundred and five	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ4-150 insulated wire clamp

[Insulated wire clamp]BZ3-95 Insulation puncture wire clamp

2026-6-17 11:26:27

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ3-95	JJC-5	25-95	20-95	two hundred and fourteen	46×61×100	one hundred and seventy-two	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ3-95 insulation puncture wire clamp

[Insulated wire clamp]BZ2-150 Insulation puncture wire clamp

2026-6-17 11:26:18

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ2-150	JJC-4	50-150	6-35(50)	one hundred and thirty-eight	46×52×87	one hundred and fifty	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ2-150 insulation puncture wire clamp

[Insulated wire clamp]BZ2-95 Insulation puncture wire clamp

2026-6-17 11:26:10

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ2-95	JJC-3	16-95	4-35(50)	one hundred and thirty-eight	46×52×87	one hundred and forty-eight	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ2-95 insulation puncture wire clamp

[Insulated wire clamp]BZEP Insulation puncture wire clamp

2026-6-17 11:26:01

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZEP	JJC-2	16-95	1.5-10	sixty-three	27×41×62	fifty-six	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZEP insulation puncture wire clamp

[Insulated wire clamp]BZ041 Insulation puncture wire clamp

2026-6-17 11:25:53

export model	domestic model	Main line cross-section (mm2)	Branch cross-section (mm2)	Nominal current (A)	Dimensions (mm)	Weight (g)	Typical Applications
BZ041	JJC-1	1.5-25	1.5-10	sixty-three	26×39×54	fifty	architectural lighting street light User line connection Main line and main line connection Outdoor overhead power line underground cable Main power cable for building power supply

BZ041 insulation puncture wire clamp

[Insulated wire clamp]C cable clamp

2026-6-17 11:25:44

C-type cable clamp

serial number	name	specification	Scope of application (mm)	remark
one	C-type clamp	T-11	7.5-11
two	C-type clamp	T-16	11-16
three	C-type clamp	T-20	14-20
four	C-type clamp	T-26	21-26
five	C-type clamp	T-44	27-44
six	C-type clamp	T-60	45-60
seven	C-type clamp	T-76	61-76
eight	C-type clamp	T-98	77-98
nine	C-type clamp	T-122	99-122
ten	C-type clamp	T-154	123-154
eleven	C-type clamp	T-190	155-190
twelve	C-type clamp	T-240	191-240
thirteen	C-type clamp	T-288	241-288
fourteen	C-type clamp	T-365	289-365
fifteen	C-type clamp	T-450	366-450
sixteen	C-type clamp	T-560	451-560
seventeen	C-type clamp	T-700	561-700
eighteen	C-type clamp	T-800	701-850

C-type cable clamp

[Insulated wire clamp]SJB,SJBT,SJBL series insulated parallel groove clamp

2026-6-17 11:25:36

SJB, SJBT, SJBL series insulated parallel groove clamps

SJB, SJBT, SJBL series insulated parallel groove clamps

[Insulated wire clamp]SNX series tension clamp

2026-6-17 11:25:26

SNX series tension clamp

[Insulated wire clamp]SNXJ series four core bundle type tension clamp

2026-6-17 11:25:18

SNXJ series four core bundle type tension clamp

[Insulated wire clamp]SXG series suspension clamp

2026-6-17 11:25:09

SXG series suspension cable clamp

[Insulated wire clamp]SJBC Series 1KV Puncture Thread Clip

2026-6-17 11:25:01

SJBC series 1KV puncture line clamp

[Insulated wire clamp]SJBC Series 10KV Puncture Thread Clip

2026-6-17 11:24:52

SJBC series 10KV puncture wire clamp

[Insulated wire clamp]DLJJ series cable fixing clip

2026-6-17 11:24:44

DLJJ series cable fixing clip

DLJJ series cable fixing clip

[Insulated wire clamp]JGHL-3 series cable fixing clip

2026-6-17 11:24:35

JGHL-3 series cable fixing clip

JGHL-3 series cable fixing clip

[Insulated wire clamp]JGHL-0 series high-voltage cable clamps

2026-6-17 11:24:26

JGHL-0 series high-voltage cable clamp

JGHL-0 series high-voltage cable clamp

[Insulated wire clamp]JGHL series high-voltage suspension cable fixing clip

2026-6-17 11:24:18

JGHL series high-voltage suspension cable fixing clip

JGHL series high-voltage suspension cable fixing clip

[auxiliary switch]F15 series AC/DC auxiliary switch

2026-6-16 20:43:24

I. Overview
The FI5 series auxiliary switch is one of the supporting components for high-voltage switch operating mechanisms, suitable for controlling the closing and opening of high-voltage switch spring mechanisms and indicating interlocking signals.

Key Features:
1. There are DC contacts specifically designed to control the closing and opening coils of DC 220V or 110V, with a breaking current of up to 10A when the current is DC220V.
2. The contact is a silver alloy bridge type double break point structure, which has the advantages of reliable connection and anti-oxidation and corrosion resistance compared to existing auxiliary switches.
3. This series of auxiliary switches has the advantages of simple structure, easy use, and long service life, making it an ideal replacement product.
2�� Usage conditions
1. The ambient air temperature ranges from -40 �� to+40 ��;
2. The installation location shall not exceed an altitude of 2000m;
3. The conditions are as follows: the average relative humidity measured within 24 hours shall not exceed 95%; The average value of water vapor pressure measured within 24 hours shall not exceed 2.2KPa; The average monthly relative humidity does not exceed 90%; The average monthly water vapor pressure shall not exceed 1.8KPa, taking into account the condensation that may occur on the surface of the product due to temperature changes.
4. Acceleration not exceeding 15m/s ²;
5. The air is not significantly polluted by dust, smoke, corrosive and flammable gases, steam, or salt spray.

5�� Structural characteristics
1. The contact is a bridge double break structure, and the contact material is AgNilo;
2. The switch contacts can be equipped with permanent magnet arc extinguishing, and the quantity can be made according to user requirements;
3. It can be made into various delay contacts, and users need to provide clear technical requirements.

[auxiliary switch]F13 series AC/DC auxiliary switch

2026-6-16 20:43:15

I. Overview
The F13 series auxiliary switch is suitable for controlling the closing and opening of high-voltage switch spring mechanisms and indicating interlocking signals. It can also be used as a conversion or combination switch and is the preferred component for operating mechanisms.

2�� Usage conditions
1. Environmental air temperature: -40 ��~+40 ��;
2. The installation location shall not exceed an altitude of 2000m;
3. The conditions are as follows: the average relative humidity measured within 24 hours shall not exceed 95%; The average value of water vapor pressure measured within 24 hours shall not exceed 2.2KPa; The average monthly relative humidity does not exceed 90%; The average monthly water vapor pressure shall not exceed 1.8Kpa, taking into account the condensation that may occur on the surface of the product due to temperature changes;
4. Acceleration not exceeding 15m/S ²;
5. The air is not significantly polluted by dust, smoke, corrosive and flammable gases, steam, or salt spray.

5�� Structural characteristics
1. There are DC contacts specifically designed to control the closing and opening coils of DC 220V or 110V, with a breaking current of up to DC220V, 3A;
2. The contact is a silver alloy bridge type double break point structure, which has the advantages of reliable connection and anti-oxidation and corrosion resistance compared to existing auxiliary switches;
3. Various delay contacts can be made, and users need to provide clear technical requirements;
4. This series of auxiliary switches has the advantages of simple structure, easy use, and long service life, making it an ideal replacement product for miniaturization of mechanisms.

[auxiliary switch]F12 series AC/DC auxiliary switch

2026-6-16 20:43:06

I. Overview
The F12 series auxiliary switch is one of the supporting components for the high-voltage switch operating mechanism. Applicable to the control of closing and opening of high-voltage switch spring mechanisms, as well as the indication of interlocking signals.

Key Features:
1. There are DC contacts specifically designed to control the closing and opening coils of DC 220V or 110V, with a breaking current of up to 10A when the current is DC220V.
2. The contact is a silver alloy bridge type double break point structure, which has the advantages of reliable connection and anti-oxidation and corrosion resistance compared to existing auxiliary switches.
3. This series of auxiliary switches has the advantages of simple structure, easy use, and long service life, making it an ideal replacement product.
2�� Usage conditions
1. Environmental air temperature: -40 ��~+40 ��;
2. The installation location shall not exceed an altitude of 2000m;
3. The conditions are as follows: the average relative humidity measured within 24 hours shall not exceed 95%; The average water vapor pressure measured within 24 hours shall not exceed 2.2 kPa; The average monthly relative humidity does not exceed 90%; The average monthly water vapor pressure shall not exceed 1.8kPa, taking into account the condensation that may occur on the surface of the product due to temperature changes;
4. Acceleration not exceeding 15m/²;
5. The air is not significantly polluted by dust, smoke, corrosive and flammable gases, steam, or salt spray.

5�� Structural characteristics
1. The contact is a bridge double break structure, and the contact material is AgNilo;
2. The switch contacts can be equipped with permanent magnet arc extinguishing, and the quantity can be made according to user requirements;
3. Various delay contacts can be made, and users need to provide clear technical requirements.

[auxiliary switch]F11-Y series delayed quick action auxiliary switch

2026-6-16 20:42:58

1�� Purpose and Characteristics
The opening and closing time (metal short-circuit time) of high-voltage circuit breakers is a key time parameter that affects the breaking capacity of circuit breakers, and there is still no good solution at home and abroad. The F11-Y delayed quick action auxiliary switch with delayed closing contacts solves the problem of circuit breaker opening and closing time, with a simple and reliable principle. Complies with the requirement of improving auxiliary switches to enable circuit breakers to have "self-defense function" in the power system. The F11 auxiliary switch has universal applicability to hydraulic/pneumatic mechanisms and is currently an optimal and practical solution.

2�� Usage conditions
a�� Surrounding air temperature: -40 ��~+40 ��;
b�� Altitude: The installation location shall not exceed an altitude of 3000m;
c�� The humidity conditions are as follows: the average relative humidity measured within 24 hours shall not exceed 95%; The average value of water vapor pressure measured within 24 hours shall not exceed 2.2KPa; The average monthly relative humidity does not exceed 90%; The average monthly water vapor pressure shall not exceed 1.8KPa;
d�� Vibration acceleration not exceeding 15m/s ²;
e�� The surrounding air is not significantly polluted by dust, smoke, corrosive and flammable gases, vapors, or salt spray.

[auxiliary switch]F10 series auxiliary switch

2026-6-16 20:42:50

The F10 series auxiliary switch is one of the supporting components of high-voltage switchgear. Suitable for controlling the closing, opening, interlocking, and signal circuits of various high-voltage switch operating mechanisms, and can also be used as a conversion or combination switch.

[auxiliary switch]F5-10II type auxiliary switch

2026-6-16 20:42:41

1�� Purpose:
The F5-10II auxiliary switch is mainly used for controlling the closing, opening, interlocking, and signal in the control circuit of various high-voltage circuit breakers and high-voltage isolating switches. It can also be used as a conversion switch or combination switch.

2�� Service conditions for F5-10II auxiliary switch
1. Altitude not exceeding 3000 meters;
2. The ambient temperature ranges from -40 �� to+40 ��;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The vibration acceleration shall not exceed 15 meters per second;
5. There is no explosion hazard, fire, dust, insulation damage, or corrosive metal gas in the surrounding medium.

[auxiliary switch]F2-1 type auxiliary switch

2026-6-16 20:42:33

1�� Purpose:
The F2-1 auxiliary switch is mainly used for controlling the closing, opening, interlocking, and signal in the control circuit of various high-voltage circuit breakers and high-voltage isolating switches. It can also be used as a conversion switch or combination switch.

2�� Usage conditions
1. Altitude not exceeding 3000 meters;
2. The ambient temperature ranges from -40 �� to+40 ��;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The vibration acceleration shall not exceed 15 meters per second;
5. There is no explosion hazard, fire, dust, insulation damage, or corrosive metal gas in the surrounding medium.

3�� Technical parameters:

rated voltage	rated current	rated voltage	rated current
~110	10A	-110V	12.5A
~220	5A	-220V	10A

model	F2-1	F2-2	F2-4	F2-6	F2-8	F2-10	F2-12
L1(mm)	fifty-five	seventy	one hundred	one hundred and thirty	one hundred and sixty	one hundred and ninety	two hundred and twenty
L2(mm)	thirty-nine	fifty-four	eighty-four	one hundred and fourteen	one hundred and forty-four	one hundred and seventy-four	two hundred and four

4�� Appearance and installation dimensions:

[auxiliary switch]F1-6 type auxiliary switch

2026-6-16 20:42:24

Technical parameters of F1-6 auxiliary switch:

rated voltage	rated current	rated voltage	rated current
~110	10A	-110V	12.5A
~220	5A	-220V	10A

[auxiliary switch]F1-4 type auxiliary switch

2026-6-16 20:42:15

1�� Main purpose
The F1-4 auxiliary switch is mainly used in operating mechanisms such as high-voltage circuit breakers, high and low isolation switches, low-voltage air switches, and low-voltage knife switches. It is used as an auxiliary electrical device to connect or disconnect signal control measurement, protection, and interlocking line devices.

2�� Applicable working conditions:
1. The temperature of the surrounding medium is not higher than+40 �� and not lower than -40 ��
2. Altitude not exceeding 3000 meters
3. At a temperature of+25 ��, the relative humidity of the air should not exceed 90%
4. In places without severe vibration and oscillation
5. A gas environment with no explosion hazard, no conductive dust, no damage to insulation, and no corrosion of metals in the surrounding medium.

3�� Structural form:
1. F1 can adjust the rotation angle of the center moving contact according to different requirements, which can be divided into 60 °~90 °~120 °
2. F1 can be divided into horizontal and vertical installation methods, and into horizontal with fast mechanism and direct drive and delay contact according to structure.

4�� Technical parameters:

rated voltage	rated current	rated voltage	rated current
~110	10A	-110V	12.5A
~220	5A	-220V	10A

model	F1-1	F1-2	F1-4	F1-6	F1-8	F1-10	F1-12
L1(mm)	sixty-eight	eighty-three	one hundred and thirteen	one hundred and forty-three	one hundred and seventy-three	two hundred and three	two hundred and thirty-three
L2(mm)	thirty-nine	fifty-four	eighty-four	one hundred and fourteen	one hundred and forty-four	one hundred and seventy-four	two hundred and four

5�� Appearance and installation dimensions:

[auxiliary switch]F1-2 type auxiliary switch

2026-6-16 20:42:07

1�� Main purpose
In operating mechanisms such as high-voltage circuit breakers, high and low isolation switches, low-voltage air switches, and low-voltage knife switches, they are used as auxiliary electrical appliances to connect or disconnect signal control, measurement, protection, and interlocking circuit breakers.

2�� Applicable working conditions:
1. The temperature of the surrounding medium is not higher than+40 �� and not lower than -40 ��
2. Altitude not exceeding 3000 meters
3. At a temperature of+25 ��, the relative humidity of the air should not exceed 90%
4. In places without severe vibration and oscillation
5. A gas environment with no explosion hazard, no conductive dust, no damage to insulation, and no corrosion of metals in the surrounding medium.

3�� F1-2 auxiliary switch structure form:
1. F1 can adjust the rotation angle of the center moving contact according to different requirements, which can be divided into 60 °~90 °~120 °
2. F1 can be divided into horizontal and vertical installation methods, and into horizontal with fast mechanism and direct drive and delay contact according to structure.

4�� Technical parameters of F1-2 auxiliary switch:

rated voltage	rated current	rated voltage	rated current
~110	10A	-110V	12.5A
~220	5A	-220V	10A

[Permanent magnet operating mechanism]ZW32-12/A Permanent Magnet Operating Mechanism

2026-6-16 20:42:01

YZW32 permanent magnet operating mechanism (for ZW32-12/A intelligent integrated circuit breaker)

ZW32-12/A intelligent integrated vacuum circuit breaker adopts advanced and reliable permanent magnet operating mechanism. The institution utilizes a steady-state magnetic circuit system, which drives the iron core to move to the corresponding limit position using excitation coils, and uses the magnetic field energy provided by high-performance permanent magnets to keep it at the limit position. Stimulating one of the excitation coils to generate a driving force greater than the remaining holding force can activate the moving iron core of the permanent magnet mechanism. The permanent magnet actuator eliminates the mechanical devices such as energy storage and locking that are vulnerable to traditional mechanisms, simplifies the structure, reduces the number of parts by more than 70% compared to traditional mechanisms, simplifies assembly, and greatly improves the reliability and lifespan of the mechanism. At the same time, due to the use of capacitors as the operating power supply, it also avoids the influence of auxiliary power supply fluctuations on the characteristics of the mechanism. The high-performance permanent magnet operating mechanism can operate frequently for a long time, with a lifespan of up to 100000 times and truly achieving permanent maintenance free operation.

Appearance and installation dimensions of YZW32 permanent magnet actuator (for ZW32-12/A intelligent integrated circuit breaker)

Note: If the user has special requirements, they can be determined through negotiation.
Permanent magnet operating mechanism (for ZW32-12/A intelligent integrated circuit breaker)

[auxiliary switch]FLF10 series auxiliary switch

2026-6-16 20:41:58

The FLF10 series auxiliary switch is a domestically produced new product based on international standards, and is one of the supporting components for high-voltage switchgear in the power industry. It is widely used to control various secondary circuits such as closing, opening, interlocking, and signal circuits of high-voltage switch operating mechanisms.

The FLF10 series auxiliary switch is mainly used for vacuum switches such as ZN series, spring operated mechanisms such as CT series, isolation switches, etc. It can also be used as a conversion or combination switch.

[auxiliary switch]F9-36I/W type auxiliary switch

2026-6-16 20:41:47

The F9-36I/W auxiliary switch is suitable for controlling the closing, opening, interlocking, and signal circuits of high-voltage switch operating mechanisms, as well as various high-voltage switch cabinets. It can also be used as a conversion or combination switch.

2�� Usage conditions:
1. Altitude not exceeding 3000M;
The temperature of the surrounding medium should not exceed+40 �� and should not be lower than -40 ��;
At a temperature of 25 ��, the relative humidity of the air should not exceed 90%;
4. Vibration acceleration not exceeding 15m/s2;
There is no explosion hazard in the surrounding medium, no conductive dust, no damage to insulation, and no gas environment that can corrode metals

3�� Model meaning:

Note: 1. A pair of contacts form one circuit; 2. Each section of the delay contact only contains one pair of contacts, and the delay time for the CD10 mechanism is 20MS

4�� Basic parameters (see Table 1)

project		Load nature	numerical value
Rated voltage (V)			DC 48110220V
Rated voltage (V)			Communication 110220V
Rated current (A)			ten
Rated breaking current (A)	DC 220V	I=20ms	four
	DC 110V	I=20ms	eight
	AC 220V	COS��=0.4	twelve point five

5�� Institution and characteristics:
The F9 series auxiliary switch is composed of multiple sections, and its internal structure is shown in Figure 1. There are labels on both sides above each section indicating the number of this contact. The diagonal lines in the same section form a pair of normally open (or normally closed) circuits, and the determination of normally open (or normally closed) is displayed by the indicator on the operating shaft. The indicator points to a set of contact limits, indicating that this set is a reliable pair of normally closed contacts (circuits), and the rest are a pair of normally open contacts.

The contact between the dynamic and static contacts of this series of auxiliary switches is made by a circular sliding crimping method. The pressure between the hoes is generated by a separately set compression spring, which is non-conductive and far away from the heating part. The movable hinge joint of the static contact is connected by bare copper wire welding, making the current performance more reliable
The delayed quick action mechanism is flexible in operation, precise in timing, and switches quickly. The quick action mechanism only starts to drive the moving contact to rotate quickly after the active arm rotates to 65 ° -75 ° until the end point, and can reliably stay at the end position. Therefore, it meets the requirements of delay and quick action.

6�� Appearance and installation dimensions (see figure)

[auxiliary switch]ZFK6-8I/L Vacuum auxiliary switch

2026-6-16 20:41:38

ZFK6-8I/L vacuum auxiliary switch is suitable for controlling the closing, opening, interlocking, signal circuit of high-voltage switch operating mechanism and various high-voltage switchgear. It can also be used as a conversion or combination switch, as a substitute for mechanical or auxiliary switches.

1. Product Overview:
At present, the F series auxiliary switches used in domestic isolation switches and other electrical appliances adopt mechanical friction contact type, which generally has problems such as unreliable contact, poor environmental adaptability, low protection level, and short service life. To solve these problems, our factory has developed a novel ZFK6 series vacuum auxiliary switch by replacing mechanical contacts with vacuum reed switches. Its high on/off reliability, 100000 contact life, maintenance free performance, and good compatibility make it the preferred product to replace F-series auxiliary switches. It is widely used in relay switching circuits and signal acquisition circuits, and is suitable for protection circuits, electromagnetic lock circuits, isolation switch auxiliary circuits, and circuit breaker secondary control intermediate circuits.

2. Structure and performance characteristics:
The ZFK6 series vacuum assisted switch adopts the same appearance and size to achieve full compatibility.
The core components of the ZFK6 series switch are sealed as a whole to enhance reliability, and the rotor of its moving part is installed with permanent magnetic steel. Placed on the fixed plate, it does not generate friction with the fixed plate, so the rotation of the shaft is light and flexible, and there is no mechanical jamming.
The head of the switch adopts a quick action mechanism. When the shaft rotates to 75 °, under the action of the energy storage spring, the movable block drives the rotor to move quickly and reliably stay at the end position. The wiring terminal adopts composite slot combination screws, and the pressure washer automatically rises and falls with the tightening and loosening of the screws, making wiring convenient.
Compared with the commonly used F-series mechanical contact auxiliary switches in China, the ZFK6 series vacuum auxiliary switch has a series of advantages:
Adaptable
Mechanical contact switches can quickly experience poor contact due to corner corrosion in corrosive environments. The contacts of ZFK6 series switches are sealed in vacuum tubes, ensuring good on/off performance even in dusty, humid, and corrosive environments. In addition, considering the need for users to replace old switches and adapt to various installation scenarios, the ZFK6 series vacuum switches have taken into account different installation methods, rotation angles, and center height requirements. Except for the main and auxiliary nodding of the circuit breaker, it can replace all auxiliary switches of the F series.
Long lifespan, anti-interference
The lifespan of the vacuum tube of the ZFK6 series switch is 2 × 104 analysis times, which is much higher than the 20000 times of mechanical contacts; The permanent magnetic steel that controls the on/off of the switch is made of rare earth magnetic materials, which have strong magnetism and never demagnetize. The structure of the switch itself can effectively resist various magnetic and electric field interferences.
High strength, no need for maintenance
The components of the F series switch are relatively scattered and require frequent maintenance due to their inherent unreliability. The ZFK6 series switch seals the core components vacuum and connecting copper sheets with epoxy resin in a fixed plate, which has high mechanical strength and fundamentally eliminates the possibility of unreliable contact, saving the trouble of frequent maintenance.
High reliability of electrical contact
In the past, the on/off of F series switch contacts was achieved through mechanical friction contact. The arc produced causes the contact surface to burn black, seriously affecting the contact reliability. However, the contacts of ZFK6 series switches work in vacuum or inert gas media, and do not generate arcs under specified currents, ensuring good electrical contact reliability.

3. Technical parameters and usage conditions of ZFK6-8I/L vacuum assisted switch

Voltage at both ends of the contact V	communication		direct
	two hundred and twenty	one hundred and ten	two hundred and twenty	one hundred and ten
Maximum breaking current	5A	5A	2.5A	4A
Maximum closing current	5A	5A	5A	5A
Breakdown voltage between contacts	700V DC
Contact resistance of contacts	100m��
insulation resistance	1000M��
1-minute power frequency withstand voltage	2500V
electrical life	2 × 104 times
Protection level	IP55
Anti-interference performance	The smooth and reliable connection is not affected by interference from common mode, differential mode, radiated electromagnetic fields, and electrostatic fields
ambient temperature	��-40~+40��
environmental conditions	Relative humidity not exceeding 95%

[auxiliary switch]F8 Auxiliary contact group

2026-6-16 20:41:30

F8 auxiliary contact group

[auxiliary switch]ZKF6��-��/Z-�� Series Vacuum Auxiliary Switches

2026-6-16 20:41:21

ZKF6 �� - ��/Z - �� series vacuum auxiliary switch

Voltage: AC220V~110V
Rated current: 5A

[auxiliary switch]ZKF6��-��/W1(W2)-�� Series Vacuum Auxiliary Switches

2026-6-16 20:41:12

ZKF6 �� - ��/W1 (W2) - �� series vacuum auxiliary switch

[auxiliary switch]ZKF1��-��/W2-�� Series Vacuum Auxiliary Switches

2026-6-16 20:41:04

Fixed voltage: AC220V~110V

Rated current: 5A

ZKF1 �� - ��/W2- �� series vacuum auxiliary switch

[auxiliary switch]F4-��I/L series auxiliary switch

2026-6-16 20:40:55

F4- �� I/L series auxiliary switch

Rated voltage: AC380V~220V
Rated current: 10A

F4- �� I/L series auxiliary switch

[auxiliary switch]F9.F10.F11-��I/L series auxiliary switch

2026-6-16 20:40:47

F9.F10.F11-�� I/L series auxiliary switch

Rated voltage: AC380V~220V

Rated current: 12.5A

F9.F10.F11-�� I/L series auxiliary switch

[auxiliary switch]F6-12III/W type auxiliary switch

2026-6-16 20:40:38

F6-12III/W type auxiliary switch

Rated voltage: AC380V~220V

Rated current: 12.5A

Normally open and normally closed logarithm	two	three	four	five	six	seven	eight	ten	eleven	twelve
Number of partition sections	two	three	four	five	six	seven	eight	ten	eleven	twelve
L1(mm)	eighty-six	ninety-eight	one hundred and ten	one hundred and twenty-two	one hundred and thirty-four	one hundred and forty-six	one hundred and fifty-eight	one hundred and eighty-two	one hundred and ninety-four	two hundred and six
L2(mm)	fifty-six	sixty-eight	eighty	ninety-two	one hundred and four	one hundred and sixteen	one hundred and twenty-eight	one hundred and fifty-two	one hundred and sixty-four	one hundred and seventy-six

F6- �� III/W series auxiliary switch

[auxiliary switch]F6-��II/W1 series auxiliary switch

2026-6-16 20:40:30

F6- �� II/W1 series auxiliary switch

Rated voltage: AC380V~220V

Rated current: 12.5A

F6- �� II/W1 series auxiliary switch

[auxiliary switch]F5-��II/W1 series auxiliary switch

2026-6-16 20:40:22

F5-��II/W1 series auxiliary switch

Rated voltage: AC380V~220V

Rated current: 10A

[auxiliary switch]F4-4I/L type auxiliary switch

2026-6-16 20:40:13

1�� Purpose:
The F4-4I/L-type auxiliary switch is mainly used for controlling the closing, opening, interlocking, and signal in the control circuit of various high-voltage circuit breakers and high-voltage isolating switches. It can also be used as a conversion switch or combination switch.

2�� Usage conditions
1. Altitude not exceeding 3000 meters;
2. The ambient temperature ranges from -40 �� to+40 ��;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The vibration acceleration shall not exceed 15 meters per second;
5. There is no explosion hazard, fire, dust, insulation damage, or corrosive metal gas in the surrounding medium.

3�� Technical parameters:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	one	two	three	four	five	six	seven	eight
Number of partition sections	one	two	three	four	five	six	seven	eight
L1(mm)	eighty-eight	one hundred and six	one hundred and twenty-four	one hundred and forty-two	one hundred and sixty	one hundred and seventy-eight	one hundred and ninety-six	two hundred and fourteen
L2(mm)	/	/	/	/	/	/	/	/

4�� Appearance and installation dimensions:

[auxiliary switch]F9.F10.F11-��III/L series auxiliary switch

2026-6-16 20:40:05

F9.F10.F11-�� III/L series auxiliary switch

Rated voltage: AC380V~220V

Rated current: 10A

[auxiliary switch]F9.F10.F11-��I/W series auxiliary switch

2026-6-16 20:39:57

F9.F10.F11-�� I/W series auxiliary switch

Rated voltage: AC380V~220V

Rated current: 10A

[auxiliary switch]F10-��II/W2 series auxiliary switch

2026-6-16 20:39:48

The F10- �� II/W2 series auxiliary switch is a domestically produced product developed with the introduction of technology from Siemens AG in Germany. It is suitable for controlling various secondary circuits such as closing, opening, interlocking, and signal circuits of high-voltage switch operating mechanisms. Widely used in vacuum circuit breakers and spring operated mechanisms such as VS1 (ZN63), Zn12, 3AF, ZN65, CT19, CT ��, and can also be used as transfer switches and combination switches.

The performance of F10- �� II/W2 series auxiliary switches meets the requirements of GB3906-9 "3-35KV AC Metal Enclosed Switchgear" and Q/XK005-1999 "Technical Conditions" for this product.

[auxiliary switch]ZKF6 type vacuum assisted switch

2026-6-16 20:39:39

ZKF6 vacuum auxiliary switch

[auxiliary switch]F10-12C/W Rotary auxiliary switch F10-4C/W F10-8C/W F10-12C/W

2026-6-16 20:39:31

F10-12C/W rotary auxiliary switch
Specifications:
Can be composed of 2 open 2 closed, 3 open 3 closed, 4 open 4 closed, 6 open 6 closed, 8 open 8 closed
There are various contact forms such as 10 open and 10 closed, 11 open and 11 closed, 12 open and 12 closed, etc.

F10-12C/W rotary auxiliary switch

[auxiliary switch]NK-047 series auxiliary switch

2026-6-16 20:39:23

Technical parameters of NK-047 series auxiliary switch:

Rated voltage: AC380V-220V-24V
Rated current: 10A

NK-047 series auxiliary switch appearance and installation dimensions:

NK-047 series auxiliary switch

[auxiliary switch]NK-045 series auxiliary switch

2026-6-16 20:39:14

Technical parameters of NK-045 series auxiliary switch:

Rated voltage: AC380V-220V-24V
Rated current: 10A

NK-045 series auxiliary switch appearance and installation dimensions:

NK-045 series auxiliary switch

[auxiliary switch]NK-052 series auxiliary switch

2026-6-16 20:39:06

Technical parameters of NK-052 series auxiliary switch:

Rated voltage: AC380V-220V-24V
Rated voltage: 10A

NK-052 series auxiliary switch appearance and installation dimensions:

NK-052 series auxiliary switch

[auxiliary switch]NK-050 series auxiliary switch

2026-6-16 20:38:57

Technical Specifications:

Rated voltage: AC660V-380V-24V
Rated current: 10A

NK-050 series auxiliary switch appearance and installation dimensions:

NK-050 series auxiliary switch

[auxiliary switch]NK-030 series auxiliary switch

2026-6-16 20:38:45

Overview:

Suitable for CJ12, CJ24, various anti riot vacuum contactors, etc

Technical parameters of NK-030 series auxiliary switch:

Rated voltage: AC660V-220V
Rated current: 15A

Appearance and installation dimensions:

NK-030 series auxiliary switch

[auxiliary switch]F11 series auxiliary switch

2026-6-16 20:38:36

F11 series auxiliary switch

[auxiliary switch]ZKFG series vacuum assisted switch

2026-6-16 20:38:28

purpose

The ZKFG series vacuum auxiliary switch is suitable for controlling the closing, opening, interlocking, and signal circuits of high-voltage switch operating mechanisms, as well as various high-voltage switch cabinets. It can also be used as a conversion or combination switch. As an alternative to mechanical friction contact auxiliary switches.

Product model and meaning

Terms of Use
1. The temperature of the surrounding medium shall not exceed+60 �� and shall not be lower than -30 ��; At a temperature of 25 ��, the relative humidity of the air should not exceed 90%;
2. There is no explosion hazard in the surrounding medium, no conductive dust, no damage to insulation, and no gas environment that can corrode metals.

ZKFG series vacuum assisted switch technical parameters

Structure and Characteristics
The ZKFG series vacuum assisted switch and the F series switch adopt the same appearance and size to achieve comprehensive compatibility.

ZKFG1 and F1 switches have the same appearance; ZKFG2 is consistent with F6 switch. The core component of the ZKFG series vacuum assisted switch adopts a vacuum reed switch instead of mechanical contacts, which has extremely high on/off reliability and maintenance free performance; The core components are enclosed as a whole, enhancing reliability. Its moving parts - the rotor - are suspended in the fixed disk by the action of a magnetic field, and there is basically no friction with the fixed disk, so the rotating shaft is light and flexible, and there is no mechanical jamming.
The switch head adopts a quick action mechanism. When the shaft rotates to 75 ��, it starts to drive the rotor to quickly rotate under the action of the energy storage spring and reliably stays at the end position.

[auxiliary switch]F9 series auxiliary switch

2026-6-16 20:38:19

The F9 series auxiliary switch is suitable for controlling the closing, opening, interlocking, and signal circuits of high-voltage switch operating mechanisms, as well as various high-voltage switch cabinets. It can also be used as a conversion or combination switch.

2�� Usage conditions:

1. Altitude not exceeding 3000M;

The temperature of the surrounding medium should not exceed+40 �� and should not be lower than -40 ��;

At a temperature of 25 ��, the relative humidity of the air should not exceed 90%;

4. Vibration acceleration not exceeding 15m/s2;

There is no explosion hazard in the surrounding medium, no conductive dust, no damage to insulation, and no gas environment that can corrode metals

3�� Model meaning:

Note: 1. A pair of contacts form one circuit; 2. Each section of the delay contact only contains one pair of contacts, and the delay time for the CD10 mechanism is 20MS

4�� Basic parameters (see Table 1)

project		Load nature	numerical value
Rated voltage (V)			DC 48110220V
Rated voltage (V)			Communication 110220V
Rated current (A)			ten
Rated breaking current (A)	DC 220V	I=20ms	four
	DC 110V	I=20ms	eight
	AC 220V	COS��=0.4	twelve point five

5�� Institution and characteristics:

The F6 series auxiliary switch is composed of multiple sections, and its internal structure is shown in Figure 1. There are labels on both sides above each section indicating the number of this contact. The diagonal lines in the same section form a pair of normally open (or normally closed) circuits, and the determination of normally open (or normally closed) is displayed by the indicator on the operating shaft. The indicator points to a set of contact limits, indicating that this set is a reliable pair of normally closed contacts (circuits), and the rest are a pair of normally open contacts.

[auxiliary switch]F10-4III/LB type auxiliary switch

2026-6-16 20:38:10

F10-4III/LB type auxiliary switch

[auxiliary switch]F10-2III/LB type auxiliary switch

2026-6-16 20:38:02

F10-2III/LB type auxiliary switch

[auxiliary switch]F10-16III/W4 type auxiliary switch

2026-6-16 20:37:54

F10-16III/W4 auxiliary switch

[auxiliary switch]F10-8III type auxiliary switch

2026-6-16 20:37:45

F10-8III auxiliary switch

[auxiliary switch]047 Vacuum auxiliary switch

2026-6-16 20:37:37

047 vacuum assist switch

Overview:
Technical Specifications:
Rated voltage: AC380V-220V-24V
Rated current: 10A

Appearance and installation dimensions of 047 vacuum auxiliary switch:

Vacuum auxiliary switch (047)

[auxiliary switch]045 Vacuum series auxiliary switch

2026-6-16 20:37:27

Overview of 045 Vacuum Series Auxiliary Switch:

Technical Specifications:
Rated voltage: AC380V-220V-24V
Rated current: 10A

045 Vacuum Series Auxiliary Switch Appearance and Installation Dimensions:

Vacuum series auxiliary switch (045)

[auxiliary switch]052 Vacuum series auxiliary switch

2026-6-16 20:37:18

Vacuum series auxiliary switch (052)

[auxiliary switch]050 Vacuum series auxiliary switch

2026-6-16 20:37:10

050 Vacuum Series Auxiliary Switch:

Technical Specifications:
Rated voltage: AC660V-380V-24V
Rated current: 10A

Appearance and installation dimensions:

Vacuum series auxiliary switch (050)

[auxiliary switch]030 Vacuum series auxiliary switch

2026-6-16 20:37:00

030 Vacuum Series Auxiliary Switch:

Vacuum series auxiliary switch (030) is suitable for CJ12, CJ24, various explosion-proof vacuum contactors, etc
Technical Specifications:
Rated voltage: AC660V-220V
Rated current: 15A

Appearance and installation dimensions:

[auxiliary switch]FK series push-pull auxiliary switch

2026-6-16 20:36:52

FK series push-pull auxiliary switch technical parameters:

Rated voltage: AC660V
Rated current: 15A

Normally open and normally closed logarithm	two	3 normally open and 2 normally closed	three	four	five
Number of partition sections	four	five	six	eight	ten
L1(mm)	one hundred and seven	one hundred and nineteen	one hundred and thirty-one	one hundred and fifty-five	one hundred and seventy-nine
L2(mm)	eighty-four	ninety-six	one hundred and eight	one hundred and thirty-two	one hundred and fifty-six

Appearance and installation dimensions:

FK series push-pull auxiliary switch

[auxiliary switch]ZKF series auxiliary switch

2026-6-16 20:36:44

The ZKF series auxiliary switch adopts the same appearance and size as the F series Tianguan to achieve full compatibility. The external dimensions of ZKF6 switch and F6 new auxiliary switch are completely consistent, with small size and higher reliability.
The core components of the ZKF series switches are sealed as a whole to enhance reliability. The moving part - the rotor - is suspended in the fixed disk by the action of a magnetic field, and there is basically no friction with the fixed disk. Therefore, the rotation of the shaft is light and flexible, and there is no situation of large mechanical jamming.
The head of the switch adopts a quick action mechanism. When the shaft rotates to 75 degrees, under the action of the energy storage spring, the movable block drives the rotor to move quickly and reliably stay at the end position. The wiring terminal adopts composite slot combination screws, and the pressure washer automatically rises and falls with the tightening and loosening of the screws, making wiring convenient.

The ZKF series auxiliary switch has a series of advantages compared to the F series mechanical contact auxiliary switch commonly used in China recently:
1. High reliability of electrical contact
The on-off of F-series switch contacts is achieved through mechanical friction contact, and the generated arc causes the contact surface to burn black, seriously affecting the contact reliability. The contacts of the ZKF series switches work in vacuum or inert gas, and basically do not generate arcs, ensuring good electrical contact reliability.
2. High mechanical strength, no need for maintenance
The components of mechanical switches are relatively scattered and require frequent maintenance due to their inherent unreliability. The ZKF series switches seal the core components of the vacuum tube and the connecting copper sheet with resin in a silent disc, forming a whole layer. Its mechanical emphasis is high, fundamentally eliminating the possibility of unreliable contact, thus saving the trouble of frequent maintenance.
3. Long lifespan and strong anti-interference ability
The lifespan of the vacuum tube of the ZKF series switch is 100000 times of breaking capacity, far higher than the thousands of times of mechanical contacts. The permanent magnetic steel that controls the on-off of the switch is made of the best magnetic material - neodymium iron boron, which has strong magnetism and never demagnetizes. The structure of the switch itself can effectively resist the interference of various magnetic fields and electric fields.
4. Strong adaptability
The ZKF series switches are not limited by dusty environments due to their sealing properties; Good on/off performance can be ensured even in humid and corrosive environments with a wide temperature range. On the contrary, switches with mechanical contacts quickly experience poor contact due to contact corrosion in corrosive environments.
Considering the need for users to replace old switches and adapt to various installation scenarios, the ZKF series switches have taken into account different installation methods, rotation angles, and center height requirements. It can almost replace all auxiliary switches of the F series.

project	L	L1
Rated voltage (AC/DC) V	two hundred and twenty
Rated breaking power W	sixty	two hundred and fifty
Maximum breaking current A	three	five
Maximum conduction current A	five
Breakdown voltage between contacts V	Communication>300 (DC>400)
Contact resistance ��	one hundred
Insulation resistance ��	one thousand and ten
1-minute power frequency withstand voltage	two thousand
Contact lifespan times	one hundred and five
Protection level	IP55
Anti-interference performance	The reliability of contact continuity is not affected by the interference of common mode, differential mode, radiated electromagnetic field, and electrostatic field
Layer combination	Any combination of layers 2-8
Environmental temperature ��	(-)30-(+)60
environmental conditions	Relative humidity not exceeding 95%

[auxiliary switch]F9-12I/L type auxiliary switch

2026-6-16 20:36:35

F9-12I/L-type auxiliary switch is suitable for various high-voltage operating mechanisms and vacuum circuit breakers
Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 12.5A

Normally open and normally closed logarithm	two	three	four	six	eight	ten	11	twelve
Number of partition sections	two	three	four	six	eight	ten	eleven	twelve
L1(mm)	ninety-four	one hundred and six	one hundred and eighteen	one hundred and forty-two	one hundred and sixty-six	one hundred and ninety	two hundred and two	two hundred and fourteen
L2(mm)	/	/	/	/	/	/	/	/

F9-12I/L-type auxiliary switch appearance and installation dimensions:

F9- �� I/L series auxiliary switch

[auxiliary switch]F9-12III/W series auxiliary switch

2026-6-16 20:36:27

F9-12III/W series auxiliary switches are suitable for various high-voltage operating mechanisms and vacuum circuit breakers
Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 12.5A

Normally open and normally closed logarithm	two	three	four	six	eight	ten	11	twelve
Number of partition sections	two	three	four	six	eight	ten	eleven	twelve
L1(mm)	seventy-nine	ninety-one	one hundred and three	one hundred and twenty-seven	one hundred and fifty-one	one hundred and seventy-five	one hundred and eighty-seven	one hundred and ninety-nine
L2(mm)	fifty-nine	seventy-one	eighty-three	one hundred and seven	one hundred and thirty-one	one hundred and fifty-five	one hundred and sixty-seven	one hundred and seventy-nine

Appearance and installation dimensions:

[auxiliary switch]F6-12I/W type auxiliary switch

2026-6-16 20:36:18

F6-12I/W auxiliary switch is suitable for various high-voltage operating mechanisms and vacuum circuit breakers

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	two	three	four	six	eight	ten	eleven	twelve
Number of partition sections	two	three	four	six	eight	ten	eleven	twelve
L1(mm)	one hundred and one	one hundred and thirteen	one hundred and twenty-five	one hundred and forty-nine	one hundred and seventy-three	one hundred and ninety-seven	two hundred and nine	two hundred and twenty-one
L2(mm)	fifty-nine	seventy-one	eighty-three	one hundred and seven	one hundred and thirty-one	one hundred and fifty-five	one hundred and sixty-seven	one hundred and seventy-nine

F6-12I/W auxiliary switch appearance and installation dimensions:

F6-12I/W type auxiliary switch

[auxiliary switch]F6-12III/L type auxiliary switch

2026-6-16 20:36:10

F6-12III/L auxiliary switch is suitable for various high-voltage operating mechanisms and vacuum circuit breakers

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 12.5A

Normally open and normally closed logarithm	two	three	four	six	eight	ten
Number of partition sections	two	three	four	six	eight	ten
L1(mm)	eighty-one	ninety-three	one hundred and five	one hundred and twenty-nine	one hundred and fifty-three	one hundred and seventy-seven
L2(mm)	/	/	/	/	/	/

F6- �� III/L series auxiliary switch appearance and installation dimensions:

[auxiliary switch]F6-12III/W2 type auxiliary switch

2026-6-16 20:36:01

Overview:
F6-12III/W2 auxiliary switch is suitable for various high-voltage operating mechanisms and vacuum circuit breakers

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 12.5A

Normally open and normally closed logarithm	two	three	four	five	six	seven	eight	ten	eleven	twelve
Number of partition sections	two	three	four	five	six	seven	eight	ten	eleven	twelve
L1(mm)	eighty-six	ninety-eight	one hundred and ten	one hundred and twenty-two	one hundred and thirty-four	one hundred and forty-six	one hundred and fifty-eight	one hundred and eighty-two	one hundred and ninety-four	two hundred and six
L2(mm)	fifty-six	sixty-eight	eighty	ninety-two	one hundred and four	one hundred and sixteen	one hundred and twenty-eight	one hundred and fifty-two	one hundred and sixty-four	one hundred and seventy-six

F6-12III/W2 auxiliary switch appearance and installation dimensions:

F6- �� III/W series auxiliary switch

[auxiliary switch]F5-8II/W type auxiliary switch

2026-6-16 20:35:53

Overview of F5- �� II/W1 series auxiliary switches:
Used for various high-voltage operating mechanisms and vacuum circuit breakers

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 12.5A

Normally open and normally closed logarithm	two	3 open and 2 closed	three	four	five	six
Number of partition sections	four	five	six	eight	ten	twelve
L1(mm)	one hundred and three	one hundred and fifteen	one hundred and twenty-seven	one hundred and fifty-one	one hundred and seventy-five	one hundred and ninety-nine
L2(mm)	eighty-one	ninety-three	one hundred and five	one hundred and twenty-nine	one hundred and fifty-three	one hundred and seventy-seven

Appearance and installation dimensions:

[auxiliary switch]F4-8III/W series auxiliary switch

2026-6-16 20:35:45

F4-8III/W series auxiliary switch

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	one	two	three	four	five	six	seven	eight
Number of partition sections	one	two	three	four	five	six	seven	eight
L1(mm)	eighty-two	ninety-seven	one hundred and fifteen	one hundred and thirty-three	one hundred and fifty-one	one hundred and sixty-nine	one hundred and eighty-seven	two hundred and five
L2(mm)	fifty	sixty-eight	eighty-six	one hundred and four	one hundred and twenty-two	one hundred and forty	one hundred and fifty-eight	one hundred and seventy-six

Appearance and installation dimensions:

[auxiliary switch]F4-4I/W series auxiliary switch

2026-6-16 20:35:36

Overview:

Suitable for various isolation switches Complete cabinet, high-voltage operating mechanism, vacuum circuit breaker
Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	one	two	three	four	five	six	seven	eight
Number of partition sections	one	two	three	four	five	six	seven	eight
L1(mm)	ninety	one hundred and eight	one hundred and twenty-six	one hundred and forty-four	one hundred and sixty-two	one hundred and eighty	one hundred and ninety-eight	two hundred and sixteen
L2(mm)	fifty-seven	seventy-five	ninety-three	one hundred and eleven	one hundred and twenty-nine	one hundred and forty-seven	one hundred and sixty-five	one hundred and eighty-three

Appearance and installation dimensions:

F4-4I/W series auxiliary switch

[auxiliary switch]F4-4II/W series auxiliary switch

2026-6-16 20:35:28

Overview:
F4-4II/W series auxiliary switches are suitable for various isolation switches Complete cabinet, high-voltage operating mechanism, vacuum circuit breaker

Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	one	two	three	four	five	six	seven	eight
Number of partition sections	one	two	three	four	five	six	seven	eight
L1(mm)	eighty-two	ninety-seven	one hundred and fifteen	one hundred and thirty-three	one hundred and fifty-one	one hundred and sixty-nine	one hundred and eighty-seven	two hundred and five
L2(mm)	fifty	sixty-eight	eighty-six	one hundred and four	one hundred and twenty-two	one hundred and forty	one hundred and fifty-eight	one hundred and seventy-six

Appearance and installation dimensions:

[auxiliary switch]F4-8II/W series auxiliary switch

2026-6-16 20:35:19

1�� Purpose:
The F4-8II/W series auxiliary switch is mainly used for the control of closing, opening, interlocking, and signal control in the operating mechanism of various high-voltage circuit breakers and high-voltage isolating switches. It can also be used as a conversion switch or combination switch.

2�� Usage conditions
1. Altitude not exceeding 3000 meters;
2. The ambient temperature ranges from -40 �� to+40 ��;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The vibration acceleration shall not exceed 15 meters per second;
5. There is no explosion hazard, fire, dust, insulation damage, or corrosive metal gas in the surrounding medium.

[auxiliary switch]F2 series auxiliary switch

2026-6-16 20:35:10

Overview:

The F2 series auxiliary switch is suitable for various isolation switches Complete cabinet set
Technical Specifications:
Rated voltage: AC220V
Rated current: 10A

Model number	F2-1	F2-2	F2-4	F2-6	F2-8	F2-10	F2-12
L1(mm)	fifty-five	70	100	130	160	190	220
L2(mm)	thirty-nine	fifty-four	eighty-four	one hundred and fourteen	one hundred and forty-four	one hundred and seventy-four	two hundred and four

F2 series auxiliary switch appearance and installation dimensions:

F2 series auxiliary switch

[auxiliary switch]F1 series auxiliary switch

2026-6-16 20:35:02

The F1 series auxiliary switch is suitable for various isolation switches Complete cabinet set
Technical Specifications:
Rated voltage: AC380V-220V
Rated current: 10A

Model number	F1-1	F1-2	F1-4	F1-6	F1-8	F1-10	F1-12
L1(mm)	sixty-eight	eighty-three	one hundred and thirteen	143	one hundred and seventy-three	203	two hundred and thirty-three
L2(mm)	thirty-nine	54	eighty-four	114	one hundred and forty-four	one hundred and seventy-four	two hundred and four

Appearance and installation dimensions:

F1 series auxiliary switch

[auxiliary switch]F6-12I/L type auxiliary switch

2026-6-16 20:34:53

F6-12I/L-type auxiliary switch is suitable for various high-voltage operating mechanisms and vacuum circuit breakers

F6-12I/L-type auxiliary switch technical parameters:
Rated voltage: AC380V-220V
Rated current: 10A

Normally open and normally closed logarithm	two	three	four	six	eight	ten	eleven	twelve
Number of partition sections	two	three	four	six	eight	ten	eleven	twelve
L1(mm)	one hundred and one	one hundred and thirteen	one hundred and twenty-five	one hundred and forty-nine	one hundred and seventy-three	one hundred and ninety-seven	two hundred and nine	two hundred and twenty-one
L2(mm)	fifty-nine	seventy-one	eighty-three	one hundred and seven	one hundred and thirty-one	one hundred and fifty-five	one hundred and sixty-seven	one hundred and seventy-nine

F6-12I/L-type auxiliary switch appearance and installation dimensions:

F6- �� I/L series auxiliary switch

[auxiliary switch]ZKF9 series vacuum assisted switch

2026-6-16 20:34:45

ZKF9 series vacuum assisted switch

[Insulated pipe fittings]STG Integrated three-way sleeve

2026-6-16 20:26:22

The STG integrated three-way sleeve 630A integrated sleeve seat is designed with insulation, shielding, and waterproofing, in compliance with DIN47636-7-1990 standard. It is suitable for the installation of European box transformers, ring main units, or other equipment, and provides a 630A standard sleeve interface. It is usually connected to European touchable front and rear connectors. The sensing point on the sleeve can be directly grounded or connected to a live display to indicate that the sleeve is live, suitable for air insulated or SF6 insulated media.

[Insulated pipe fittings]JYM-624 Insulation protection cap

2026-6-16 20:26:14

JYM-624 insulation protection cap is only used for insulation protection (permanent or temporary) of live equipment sleeves, busbars, and other equipment, and provides dust and moisture prevention for non live sleeves.

[Insulated pipe fittings]GIS test casing for GIS}

2026-6-16 20:26:05

DC510kV GIS test bushing

[Insulated pipe fittings]DC210kV GIS transformer bushing

2026-6-16 20:25:57

DC210kV GIS transformer bushing

[Insulated pipe fittings]252kV Fiberglass dry-type transformer bushing (cable through type)

2026-6-16 20:25:48

The 252kV fiberglass dry-type transformer bushing (cable type) adopts fiberglass composite material for internal insulation and silicone rubber composite material for external insulation, which has many advantages such as oil-free, gas free, porcelain free, explosion-proof, environmentally friendly, maintenance free, and strong pollution flashover resistance. The capacitor core of this product adopts patented technology of stress splitting buffer lining, which greatly reduces internal stress, stabilizes product quality, and improves the product's ability to withstand cold and hot shocks and safe operation level.

Main performance of 252kV fiberglass dry-type transformer bushing (cable through type)

Execute standard GB/T 4109-2008 IEC 60137 Ed.6.0
Rated voltage 252kV
Rated current 630A~1250A
1-minute power frequency dry (wet) withstand voltage 505kV
Lightning full wave impulse withstand voltage 1050kV
Tan �� 0.004 at 1.05 times the highest phase voltage
Partial discharge under rated voltage �� 10pc
Bending test load 4000N-5000N
Minimum nominal creepage distance 31mm/kV

[Insulated pipe fittings]CHN3-24KV(225KYN28) Contact box

2026-6-16 20:25:39

CHN3-24KV (225KYN28) Contact Box

[Insulated pipe fittings]10KV Insulation components

2026-6-16 20:25:31

10KV insulation components

[Insulated pipe fittings]220KV Lightning arrester shielding cover

2026-6-16 20:25:22

220KV lightning arrester shielding cover

[Insulated pipe fittings]6-3.5KV Pressing insulation components

2026-6-16 20:25:13

6-3.5KV pressed insulation components

[Insulated pipe fittings]10KV Outdoor (SF6) insulation sleeve

2026-6-16 20:25:05

The 10KV outdoor (SF6) insulation sleeve is made of imported epoxy resin injection molded composite core rod, which has the advantages of high density, no bubbles, high mechanical strength, and good voltage resistance.

The outer layer is made of high-quality high-temperature vulcanized silicone rubber mold compression molding, which has good resistance to outdoor creep.

[Insulated pipe fittings]35KV High voltage metering box hollow core insulation sleeve

2026-6-16 20:24:56

The 35KV high-voltage metering box hollow insulation sleeve is made of imported epoxy resin injection molded composite core rod, which has the advantages of high density, no bubbles, high mechanical strength, and good voltage resistance.

The outer layer is made of high-quality high-temperature vulcanized silicone rubber mold compression molding, which has good resistance to outdoor creep.

[Insulated pipe fittings]TG��1-10Q/180 �� 220} Insulation parts and sleeves

2026-6-16 20:24:48

TG �� 1-10Q/180 × 220 Insulation parts and sleeves

[Insulated pipe fittings]TGN��3-10Q/140 �� 175 �� 260 Insulation parts and sleeves

2026-6-16 20:24:39

TGN �� 3-10Q/140 × 175 × 260 Insulation parts and sleeves

[Insulated pipe fittings]TG��1-10Q/170 �� 170} Insulation parts and sleeves

2026-6-16 20:24:31

TG �� 1-10Q/170 × 170 Insulation parts and sleeves

[Insulated pipe fittings]TGY��3-10Q/110 �� 180} Insulation parts and sleeves

2026-6-16 20:24:22

TGY �� 3-10Q/110 × 180 insulation parts and sleeves

[Insulated pipe fittings]TGY��3-10Q/140 �� 200 �� 270 Insulation parts and sleeves

2026-6-16 20:24:14

TGY �� 3-10Q/140 × 200 × 270 Insulation parts and sleeves

[Insulated pipe fittings]TGY��3-10Q/140 �� 200} Insulation parts and sleeves

2026-6-16 20:24:05

TGY �� 3-10Q/140 × 200 insulation parts and sleeves

[Insulated pipe fittings]ZN��3-10Q/ �� 75 �� 140 Insulation parts and sleeves

2026-6-16 20:23:56

ZN �� 3-10Q/�� 75 × 140 Insulation parts and sleeves

[Insulated pipe fittings]ZN��3-10Q/ �� 77 �� 130 Insulation parts and sleeves

2026-6-16 20:23:47

ZN �� 3-10Q/�� 77 × 130 Insulation parts and sleeves

[Insulated pipe fittings]TG��1-10Q/ �� 150 �� 235 Insulation parts and sleeves

2026-6-16 20:23:39

TG �� 1-10Q/�� 150 × 235 Insulation parts and sleeves

[Insulated pipe fittings]CHY2-10Q/210 Insulation parts and sleeves

2026-6-16 20:23:30

CHY2-10Q/210 Insulation parts and sleeves

[Insulated pipe fittings]ZNY1-10Q/ �� 110 �� 130 Insulation parts and sleeves

2026-6-16 20:23:22

ZNY1-10Q/�� 110 × 130 insulation parts and sleeves

[Insulated pipe fittings]ZW12-10Q/ �� 60 �� 250 Outdoor insulation pull rod

2026-6-16 20:23:13

ZW12-10Q/�� 60 × 250 outdoor insulation pull rod

[Insulated pipe fittings]CHY2-10Q/230 Insulation parts and sleeves

2026-6-16 20:23:05

CHY2-10Q/230 Insulation parts and sleeves

[Insulated pipe fittings]CH-12 type contact box

2026-6-16 20:22:56

CH-12 type contact box

Product description: This product is molded by epoxy resin automatic pressure gel process, and is used for insulation isolation and connection transition in high-voltage switchgear with rated voltage of 10KV and below.

Contact box model
CH1-12/150 rated current (630A)
CH2-12/180 rated current (1250A)

[Insulated pipe fittings]TG2-12 type casing

2026-6-16 20:22:48

Product name: bushing Product description: TG2-12 bushing is formed by epoxy resin automatic pressure gel process and used for insulation isolation and connection transition in high-voltage switchgear with rated voltage of 10KV and below.
Sleeve model:

TG2��12/100×100

[Insulated pipe fittings]TG1-12 type casing

2026-6-16 20:22:39

Product Name: Sleeve
Product description: TG1-12 bushing is formed by epoxy resin automatic pressure gel process and used for insulation isolation and connection transition in high-voltage switchgear with rated voltage of 10KV and below.
Sleeve model: TG1-12/110 × 180

[Insulated pipe fittings]CH��-12~40.5 series contact box

2026-6-16 20:22:30

CH �� -12~40.5 series contact boxes are of epoxy resin APG process pressure gel forming structure, and the product performance meets the GB311.1-1997 standard and IEC273 standard. Suitable for use in handcart type switchgear or other switchgear with rated voltages of 12kV, 40.5kV and below, serving as insulation isolation and connection transition.

[Insulated pipe fittings]TG��-12~40.5 series insulation sleeves

2026-6-16 20:22:21

TG �� -12~40.5 series casing is of epoxy resin APG process pressure gel forming structure, and the product performance meets the GB311.1-1997 standard and IEC273 standard. Suitable for insulation isolation and connection transition in complete sets of equipment with rated voltage of 12kV, 40.5kV and below.

[Glass arc extinguishing chamber]BD1-126/2000-40 Vacuum arc extinguishing chamber

2026-6-16 14:40:46

The vacuum arc extinguishing chamber for BD port 1-126/2000-40 vacuum circuit breaker is used for ZW-126.

[Glass arc extinguishing chamber]BD1-72.5/2000-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:40:38

The vacuum arc extinguishing chamber for BD port 1-72.5/2000-31.5 vacuum circuit breakers is a glass insulated enclosure used for vacuum circuit breakers.

[Glass arc extinguishing chamber]BD700Z Vacuum arc extinguishing chamber

2026-6-16 14:40:30

Vacuum arc extinguishing chamber for BD700Z vacuum circuit breaker (BD700 (24kV/1250A-16k) used for ZN-24, etc

[Glass arc extinguishing chamber]BD1-126/2500-40 Vacuum arc extinguishing chamber

2026-6-16 14:40:21

The main supporting machine models and usage locations of vacuum arc extinguishing chambers for BD1-126/2500-40 vacuum circuit breakers (reference):

[Glass arc extinguishing chamber]BD11-12/1000-25A Vacuum arc extinguishing chamber

2026-6-16 14:40:13

Vacuum arc extinguishing chamber for BD11-12/1000-25A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/3150-40 Vacuum arc extinguishing chamber

2026-6-16 14:40:04

Vacuum arc extinguishing chamber for BD11-12/3150-40 vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/2500-40A Vacuum arc extinguishing chamber

2026-6-16 14:39:56

Vacuum arc extinguishing chamber for BD11-12/2500-40A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/2000-31.5A Vacuum arc extinguishing chamber

2026-6-16 14:39:47

Vacuum arc extinguishing chamber for BD11-12/2000-31.5A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/2000-40A Vacuum arc extinguishing chamber

2026-6-16 14:39:38

Vacuum arc extinguishing chamber for BD11-12/2000-40A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/1600-40A Vacuum arc extinguishing chamber

2026-6-16 14:39:30

Vacuum arc extinguishing chamber for BD11-12/1600-40A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/2500-31.5A Vacuum arc extinguishing chamber

2026-6-16 14:39:21

Vacuum arc extinguishing chamber for BD11-12/2500-31.5A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/800-16D Vacuum arc extinguishing chamber

2026-6-16 14:39:13

BD11-12/800-16D vacuum circuit breaker with vacuum arc extinguishing chamber for vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/630-25A Vacuum arc extinguishing chamber

2026-6-16 14:39:05

Vacuum arc extinguishing chamber for BD11-12/630-25A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/1600-25A Vacuum arc extinguishing chamber

2026-6-16 14:38:56

Vacuum arc extinguishing chamber for BD11-12/1600-25A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/630-16A Vacuum arc extinguishing chamber

2026-6-16 14:38:48

Vacuum arc extinguishing chamber for BD11-12/630-16A vacuum circuit breaker with ZN28, 33, 63, 68 series vacuum circuit breakers

[Glass arc extinguishing chamber]BD11-12/1000-20A Vacuum arc extinguishing chamber

2026-6-16 14:38:39

Vacuum arc extinguishing chamber for BD11-12/1000-20A vacuum circuit breaker

[Glass arc extinguishing chamber]BD11-12/1250-20A Vacuum arc extinguishing chamber

2026-6-16 14:38:31

BD11-12/1250-20A vacuum arc extinguishing chamber for ZN28, ZN33, ZN63, ZN68 vacuum circuit breakers

[Glass arc extinguishing chamber]BD11-12/1250-25A Vacuum arc extinguishing chamber

2026-6-16 14:38:22

BD11-12/1250-25A vacuum circuit breaker with vacuum arc extinguishing chamber equipped with ZN28, ZN33, ZN63, ZN68 circuit breakers

[Glass arc extinguishing chamber]BF-40.5/630-20 (3010) Vacuum arc extinguishing chamber

2026-6-16 14:38:14

Main technical parameters of vacuum arc extinguishing chamber for BF-40.5/630-20 (3010) load switch

serial number	parameter name	unit	numerical value
one	rated voltage	KV	forty point five
two	rated current	A	six hundred and thirty
three	Rated closed-loop breaking current	A	six hundred and thirty
four	Rated short-circuit closing current	KA	fifty
five	Rated short-circuit withstand current (4S)	KA	twenty
six	Rated peak withstand current	KA	fifty
seven	Rated active load breaking current	A	six hundred and thirty
eight	Rated cable charging breaking current	A	ten
nine	Short time power frequency withstand voltage (1min)	KV	ninety-five
ten	Circuit resistance at lower limit of rated contact pressure	��	��40
eleven	mechanical life	time	ten thousand
twelve	Allowable wear thickness of contacts	mm	three
thirteen	Contact self closing force	N	100±50
fourteen	Contact reaction force at rated opening distance	N	150±50

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	16±1
two	Average opening speed	m/s	1.2±0.2
three	Average closing speed	m/s	0.8±0.2
four	Rated contact pressure	N	850±100
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5

BF-40.5/630-20 (3010) Vacuum arc extinguishing chamber for load switch

[Glass arc extinguishing chamber]BD-12/630-12.5 Glass vacuum arc extinguishing chamber

2026-6-16 14:38:05

Overview
The glass vacuum arc extinguishing chamber for BD-12/630-12.5 circuit breakers adopts a medium sealed structure, a glass shell, contacts made of CuCr50 alloy material, a cup-shaped longitudinal magnetic structure, and has the characteristics of high current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations.

Main technical parameters

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated normal current	A	six hundred and thirty
Rated short circuit breaking current	kA	twelve point five
Rated short circuit making current	kA	forty
Rated peak withstand current	kA	forty
Rated short-time withstand current	kA	twelve point five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	Next time	ten thousand
Closing force due to bellows and atmosphere	N	100±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	180±50
Allowable wear thickness of contacts Contact-wear allowance Contact-wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year year	twenty

Mechanical parameters of glass vacuum arc extinguishing chamber for BD-12/630-12.5 circuit breaker

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	11±1
Contact travel	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	1600±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/630-12.5

[Glass arc extinguishing chamber]BD-12/1250-20 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:57

Overview
The glass vacuum arc extinguishing chamber for BD-12/1250-20 circuit breaker adopts a medium sealed structure, glass shell, CuCr50 alloy contacts, cup-shaped longitudinal magnetic structure, with the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, low noise, etc. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations.

Main technical parameters

Parameter Name Parameter name	unit Unit	numerical value Value
Rated voltage	kV	twelve
Rated normal current	A	one thousand two hundred and fifty
Rated short circuit breaking current	kA	twenty
Rated short circuit making current	kA	fifty
Rated peak withstand current	kA	fifty
Rated short-time withstand current	kA	twenty
Rated duration of short circuit	S	four
Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	Next time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
Mechanical endurance	Next time	ten thousand
Closing force due to bellows and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year year	twenty

Mechanical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-20

Project	unit Unit	numerical value Value
Contact stroke distance	mm	11±1
Contact travel	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	2000±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-20

[Glass arc extinguishing chamber]BD-12/1250-25 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:48

Overview
The glass vacuum arc extinguishing chamber for BD-12/1250-25 circuit breaker adopts a medium sealed structure, glass shell, CuCr50 alloy contacts, cup-shaped longitudinal magnetic structure, with the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, low noise, etc. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-25

Parameter Name Parameter name	unit Unit	numerical value Value
rated voltage Rated voltage	kV	twelve
rated current Rated normal current	A	one thousand two hundred and fifty
Rated short-circuit breaking current Rated short-circuit breaking current	kA	twenty-five
Rated short-circuit closing current Rated short-circuit making current	kA	sixty-three
Rated peak withstand current Rated peak withstand current	kA	sixty-three
Rated short-time withstand current Rated short-time withstand current	kA	twenty-five
Rated short-circuit duration Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	time time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Allowable wear thickness of contacts Contact-wear allowance thickness	mm	three
Internal gas pressure Internal gas pressure	Pa	��1.33×10��^three
Allowable storage period Storage period	year year	twenty

Mechanical parameters for using circuit breakers

project Project	unit Unit	numerical value Value
contact gap Contact stroke	mm	11±1
Contact stroke of contacts Contact travel	mm	3.5±0.5
Average closing speed Average closing speed	m/s	0.6±0.2
Average opening speed Average opening speed	m/s	1.1±0.2
Rated contact pressure Rated contact pressure	N	2500±200
Contact closing bounce time Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-25

[Glass arc extinguishing chamber]BD-12/1250-31.5 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:40

Overview
The glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-31.5 adopts a medium sealed structure, glass shell, CuCr50 alloy contacts, cup-shaped longitudinal magnetic structure, with the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-31.5

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated normal current	A	one thousand two hundred and fifty
Rated short circuit breaking current	kA	thirty-one point five
Rated short circuit making current	kA	eighty
Rated peak withstand current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	Next time	ten thousand
Closing force due to bellows and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year year	twenty

Mechanical parameters for using circuit breakers

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	11±1
Contact travel	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/1250-31.5

[Glass arc extinguishing chamber]BD-12/1600-31.5 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:31

Overview
The glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5 adopts a medium sealed structure, a glass shell, contacts made of CuCr50 alloy material, a cup-shaped longitudinal magnetic structure, and has the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5

Parameter Name	unit	numerical value
rated voltage	kV	twelve
rated current	A	one thousand and six hundred
Rated short-circuit breaking current	kA	thirty-one point five
Rated short-circuit closing current	kA	eighty
Rated peak withstand current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage	kV	forty-two
Circuit resistance under rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times	time	thirty
Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life	time	ten thousand
Contact self closing force	N	120±50
Contact reaction force at rated opening distance	N	200±50
Contact wear allowance	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allowable storage period	year	twenty

Mechanical parameters for using circuit breakers

project	unit	numerical value
contact gap	mm	11±1
Contact stroke of contacts	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5

[Glass arc extinguishing chamber]BD-12/2000-40 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:23

Overview
The glass vacuum arc extinguishing chamber used in the BD-12/2000-40 circuit breaker adopts a medium sealed structure, a glass shell, contacts made of CuCr50 alloy material, a cup-shaped longitudinal magnetic structure, and has the characteristics of high current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/2000-40

parameter name Parameter name	unit unit	numerical value value
rated voltage Rated voltage	kV	twelve
rated current Rated normal current	A	two thousand
Rated short-circuit breaking current Rated short-circuit breaking current	kA	forty
Rated short-circuit closing current Rated short-circuit making current	kA	one hundred
Rated peak withstand current Rated peak withstand current	kA	one hundred
Rated short-time withstand current Rated short-time withstand current	kA	forty
Rated short-circuit duration Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��25
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	time Time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Allowable wear thickness of contacts Contact-wear allowance thickness	mm	three
Internal gas pressure Internal gas pressure	Pa	��1.33×10��^three
Allowable storage period Storage period	year Year	twenty

Mechanical parameters for using circuit breakers

project Project	unit Unit	numerical value Value
contact gap Contact stroke	mm	11±1
Contact stroke of contacts Contact travel	mm	3±^one₀
Average closing speed Average closing speed	m/s	0.6±0.2
Average opening speed Average opening speed	m/s	1.1±0.2
Rated contact pressure Rated contact pressure	N	4500±300
Contact closing bounce time Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/2000-40

[Glass arc extinguishing chamber]BD-40.5/1250-25 Glass vacuum arc extinguishing chamber

2026-6-16 14:37:14

Overview
The glass vacuum arc extinguishing chamber for circuit breaker BD-40.5/1250-25 adopts a medium sealed structure, glass shell, CuCr50 alloy contacts, cup-shaped longitudinal magnetic structure, with the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, low noise, etc. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations.

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-40.5/1250-25

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	forty point five
Rated normal current	A	one thousand two hundred and fifty
Rated short-circuit breaking current Rated short-circuit breaking current	kA	twenty-five
Rated short circuit making current	kA	fifty
Rated peak withstand current	kA	fifty
Rated short-time withstand current	kA	twenty-five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	ninety-five
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	twenty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	one hundred and eighty-five
Mechanical endurance	Next Time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	250±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	330±60
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Mechanical parameters for using circuit breakers

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	22±2
Contact travel	mm	8±2
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.4±0.2
Rated contact pressure	N	2900±300
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2

Glass vacuum arc extinguishing chamber for circuit breaker BD-40.5/1250-25

[Glass arc extinguishing chamber]BD-12/2000-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:37:06

Overview:

The BD-12/2000-31.5 vacuum arc extinguishing chamber is a miniaturized product that uses copper chromium contact material, cup-shaped longitudinal magnetic field structure, glass insulation surgery, and a middle sealed fixed shielding cylinder. The product has the characteristics of small size, large breaking capacity, and high pressure resistance. Paired with corresponding indoor and outdoor vacuum circuit breakers, it can be widely used in places where circuits are frequently operated in industrial sectors such as power, machinery, chemical, metallurgical, and mining.

Main technical parameters of BD-12/2000-31.5 vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	two thousand
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	thirty-one point five
Rated peak withstand current	kA	eighty
Rated short-circuit closing current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3 (0.5) S-HeFen-180S-HeFen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	200±60
Contact reaction force	N	300±60
Circuit resistance at lower limit of rated contact pressure	u��	��25
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	two point one
Quality of vacuum arc extinguishing chamber	kg	five point three

[Glass arc extinguishing chamber]BD11-12/630-20A Vacuum arc extinguishing chamber

2026-6-16 14:36:57

BD11-12/630-20A vacuum arc extinguishing chamber:
Outline dimension diagram

parameter name	parameter value	unit
rated voltage	twelve	kV
rated current	six hundred and thirty	A
rated frequency	fifty	Hz
Short term (1-minute) power frequency withstand voltage	forty-two	kV
Lightning impulse withstand voltage	seventy-five	kV
Rated short-circuit breaking current	twenty	kA
Rated peak withstand current	fifty	kA
Rated short-circuit closing current	fifty	kA
Rated short-time withstand current	twenty	kA
Rated short-circuit duration	four	s
Rated breaking current of a single capacitor bank	six hundred and thirty	A
Rated back-to-back capacitor bank breaking current	four hundred	A
Rated operating sequence	O-0.3(0.5)s-CO-180s-CO
Rated short-circuit breaking current times	fifty	time
mechanical life	ten thousand	time
Contact self closing force	100±50	N
Contact reaction force at rated opening distance	200±50	N
Circuit resistance at lower limit of rated contact pressure	thirty	�̦�
Allowable wear thickness of contacts	three	mm
Gas pressure inside the vacuum arc extinguishing chamber	zero point zero zero one	Pa
Quality of the sports section	one point one	kg
Quality of vacuum arc extinguishing chamber	three point five	kg
contact gap	11±1	mm
Average opening speed	1.1±0.3	m/s
Average closing speed	0.6±0.2	m/s
Rated contact pressure	2000±200	N
Contact closing bounce time	two	ms
Non synchronous closing and opening of contacts	two	ms
Rebound amplitude of the opening contact	two	mm
outer diameter	one hundred	mm
installation height	two hundred and twenty-five	mm
appearance	Mid sealed style

[Glass arc extinguishing chamber]ZKBD-1250/12-31.5 type vacuum switch tube

2026-6-16 14:36:47

purpose
The ZKBD vacuum switch tube uses oxidized glass as the insulating shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgical, textile, and high-rise buildings.

This product, equipped with a suitable operating mechanism, can be assembled into an AC high-voltage circuit breaker, used as a distribution device in three-phase AC power generation and supply systems, and as a centralized control device for electric motors.

Technical parameters of ZKBD-1250/12-31.5 vacuum switch tube

Rated voltage 12KV	Rated peak withstand current 80KA	Contact resistance under rated contact pressure �� 30 ��
Rated working current 1250, 1600A	Rated power frequency withstand voltage 42KV	The allowable wear thickness of the contact is 3mm
Rated short-circuit breaking current 25, 31.5KA	Rated short-time withstand current 31.5KA	Storage period of 20 years
Rated current breaking times 30 times	Rated short-time withstand time 4S	Equipped with circuit breaker ZN28-12 type
Rated impulse withstand voltage 75KV	Contact self closing force 190 ± 40N
Rated short-circuit closing current 80KA	Contact reaction force at rated torque of 240 ± 40N

External dimensions and installation dimensions:

[Glass arc extinguishing chamber]ZKBD-1250/12-25 type vacuum switch tube

2026-6-16 14:36:39

Purpose:
The ZKBD vacuum switch tube uses oxidized glass as the insulating shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgical, textile, and high-rise buildings.

The ZKBD-1250/12-25 vacuum switch tube, equipped with a suitable operating mechanism, can be assembled into an AC high-voltage circuit breaker and used as a distribution device in three-phase AC power generation and supply systems, as well as a centralized control device for electric motors.

Technical parameters of ZKBD-1250/12-25 vacuum switch tube

Rated voltage 12KV	Rated peak withstand current 80KA	Contact resistance under rated contact pressure �� 30 ��
Rated working current 1250, 1600A	Rated power frequency withstand voltage 42KV	The allowable wear thickness of the contact is 3mm
Rated short-circuit breaking current 25, 31.5KA	Rated short-time withstand current 31.5KA	Storage period of 20 years
Rated current breaking times 30 times	Rated short-time withstand time 4S	Equipped with circuit breaker ZN28-12 type
Rated impulse withstand voltage 75KV	Contact self closing force 190 ± 40N
Rated short-circuit closing current 80KA	Contact reaction force at rated torque of 240 ± 40N

External dimensions and installation dimensions

ZKBD-1250/12-25 vacuum switch tube

[Glass arc extinguishing chamber]ZKBD-630/12-20 type vacuum switch tube

2026-6-16 14:36:30

purpose
The ZKBD vacuum switch tube uses oxidized glass as the insulating shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgical, textile, and high-rise buildings.
This product, equipped with a suitable operating mechanism, can be assembled into an AC high-voltage circuit breaker, used as a distribution device in three-phase AC power generation and supply systems, and as a centralized control device for electric motors.

technical parameters

Rated voltage 12KV	Rated peak withstand current 80KA	Contact resistance under rated contact pressure �� 30 ��
Rated working current 1250, 1600A	Rated power frequency withstand voltage 42KV	The allowable wear thickness of the contact is 3mm
Rated short-circuit breaking current 25, 31.5KA	Rated short-time withstand current 31.5KA	Storage period of 20 years
Rated current breaking times 30 times	Rated short-time withstand time 4S	Equipped with circuit breaker ZN28-12 type
Rated impulse withstand voltage 75KV	Contact self closing force 190 ± 40N
Rated short-circuit closing current 80KA	Contact reaction force at rated torque of 240 ± 40N

External dimensions and installation dimensions

ZKBD-630/12-20 vacuum switch tube

[Glass arc extinguishing chamber]ZKBDW-630/12-20 type vacuum switch tube

2026-6-16 14:36:22

purpose
The ZKTD vacuum switch tube adopts high alumina glass as the insulation shell, and is covered with high-strength corrugated insulation material on the outside. The tube uses high vacuum as the medium, so it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgy, textile, and high-rise buildings.

The ZKBDW-630/12-20 vacuum switch tube, equipped with a suitable operating mechanism, can be assembled into an AC high-voltage circuit breaker and used as a distribution and motor centralized control device in three-phase AC power generation and supply systems.

Technical parameters of ZKBDW-630/12-20 vacuum switch tube

Rated voltage 10KV	Rated short-time withstand current 20KA
Rated working current 630A	Rated short-time withstand time 4S
Rated short-circuit breaking current 20KA	Contact self closing force 190 ± 40N
Rated current breaking times 30 times	Contact reaction force at rated torque of 240 ± 40N
Rated impulse withstand voltage 75KV	Contact resistance under rated contact pressure �� 30 ��
Rated short-circuit closing current 50KA (peak)	The allowable wear thickness of the contact is 3mm
Rated peak withstand current 50KA	Storage period of 20 years
Rated power frequency withstand voltage 42KV	Equipped with circuit breaker ZW8-12 type

ZKBDW-630/12-20 vacuum switch tube external dimensions and installation dimensions

[Glass arc extinguishing chamber]BD-12/3150-40 Vacuum arc extinguishing chamber

2026-6-16 14:36:13

Vacuum arc extinguishing chamber for BD-12/3150-40 circuit breaker

[Ceramic arc extinguishing chamber]ZMF-12/630-20 Vacuum arc extinguishing chamber

2026-6-16 14:34:23

Vacuum arc extinguishing chamber for ZMF-12/630-20 vacuum load switch

Model number	ZMF-12/630-20
rated voltage	12KV
rated current	630A
Rated short-time withstand current	20KA
Rated peak withstand current	50KA
Rated peak closing current	50KA
Rated short-circuit duration	4S
Rated short-time (1-minute) power frequency withstand voltage	42KV
Rated lightning impulse withstand voltage	75KV
Rated current breaking times	10000 times
Circuit resistance under rated contact pressure	��35�̦�
mechanical life	10000 times
Contact self closing force	90±20N
Contact reaction force at rated opening distance	150±30N
Allowable wear thickness of contacts	3mm
Allow storage period	20a

[Ceramic arc extinguishing chamber]ZMF-12/630-12.5 Vacuum arc extinguishing chamber

2026-6-16 14:34:15

Vacuum arc extinguishing chamber for ZMF-12/630-12.5 vacuum load switch

Model number	ZMF-12/630-12.5
rated voltage	12KV
rated current	630A
Rated short-time withstand current	12.5KA
Rated peak withstand current	31.5KA
Rated peak closing current	50KA
Rated short-circuit duration	4S
Rated short-time (1-minute) power frequency withstand voltage	42KV
Rated lightning impulse withstand voltage	75KV
Rated current breaking times	10000 times
Circuit resistance under rated contact pressure	��25�̦�
mechanical life	10000 times
Contact self closing force	100±20N
Contact reaction force at rated opening distance	160±30N
Allowable wear thickness of contacts	3mm
Allow storage period	20a

[Ceramic arc extinguishing chamber]ZMF-12/400-20 Vacuum arc extinguishing chamber

2026-6-16 14:34:07

Vacuum arc extinguishing chamber for ZMF-12/400-20 vacuum load switch

Model number	ZMF-12/400-20
rated voltage	2KV
rated current	400A
Rated operating frequency	50HZ
Vacuum self closing force	90±20N
Maximum opening distance of contacts	4mm
Tensile force at a contact opening distance of 4mm	120±20N
Contact resistance when the contact naturally closes	��200�̦�
Power frequency withstand voltage at a contact distance of 4mm (1min)	20KV
Maximum closing current

[Ceramic arc extinguishing chamber]ZMF-12/400-16 Vacuum arc extinguishing chamber

2026-6-16 14:33:58

Vacuum arc extinguishing chamber for ZMF-12/400-16 vacuum load switch

Model number	ZMF-12/400-16
rated voltage	12KV
rated current	400A
Rated operating frequency	50HZ
Vacuum self closing force	90±20N
Maximum opening distance of contacts	6mm
Tensile force at a contact opening distance of 4mm	10±15N
Contact resistance when the contact naturally closes	��70�̦�
Power frequency withstand voltage at a contact distance of 4mm (1min)	38-42KV
Maximum closing current	16KA

[Ceramic arc extinguishing chamber]TD32-12/630-12.5 Vacuum arc extinguishing chamber

2026-6-16 14:33:49

The vacuum arc extinguishing chamber for TD32-12/630-12.5 vacuum circuit breaker is made of ceramic shell and is used for mining switches.

[Ceramic arc extinguishing chamber]TD32-7.2/630-12.5 Vacuum arc extinguishing chamber

2026-6-16 14:33:38

TD32-7.2/630-12.5 Vacuum arc extinguishing chamber for vacuum circuit breakers

[Ceramic arc extinguishing chamber]TD25-12/1250-20 Vacuum arc extinguishing chamber

2026-6-16 14:33:28

Vacuum arc extinguishing chamber for TD25-12/1250-20 vacuum circuit breaker

[Ceramic arc extinguishing chamber]TD25-12/630 series Vacuum arc extinguishing chamber

2026-6-16 14:33:20

The vacuum arc extinguishing chamber for TD25-12/630 series vacuum circuit breakers is made of ceramic shell and is used for ZW33-12/D630-20 (recloser) and other applications.

TD25-12/630-20
TD25-12/630-20C
TD25-12/630-20A
TD25-12/630-16
TD25-12/630-20

[Ceramic arc extinguishing chamber]TD34-12/1000-25 (TD4803A) Vacuum arc extinguishing chamber

2026-6-16 14:33:11

The vacuum arc extinguishing chamber for TD34-12/1000-25 (TD4803A) vacuum circuit breaker is made of ceramic shell and is used for ZN96-12 circuit breaker.

[Ceramic arc extinguishing chamber]TD34-12/1250-31.5R (TD34-12/1250-31.5B) Vacuum arc extinguishing chamber

2026-6-16 14:33:03

The vacuum arc extinguishing chamber for TD34-12/1250-31.5R (TD34-12/1250-31.5B) vacuum circuit breaker is made of ceramic shell and is used for ZN96-12 vacuum circuit breaker.

[Ceramic arc extinguishing chamber]TD34-12/3150-40 Vacuum arc extinguishing chamber

2026-6-16 14:32:55

The vacuum arc extinguishing chamber for TD34-12/3150-40 vacuum circuit breaker is made of ceramic shell and is used for ZN96-12 with long service life KYN96-12��AMS1��

[Ceramic arc extinguishing chamber]TD34-12/3150-40A Vacuum arc extinguishing chamber

2026-6-16 14:32:46

The vacuum arc extinguishing chamber for TD34-12/3150-40A vacuum circuit breaker is a ceramic insulated shell used for ZN63-12 solid sealed vacuum circuit breaker.

[Ceramic arc extinguishing chamber]TD14A-12/2000-31.5F ceramic vacuum arc extinguishing chamber

2026-6-16 14:32:38

TD14A-12/2000-31.5F ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD14A-12/2500-31.5F Vacuum arc extinguishing chamber

2026-6-16 14:32:29

The vacuum interrupter for TD14A-12/2500-31.5F vacuum circuit breaker is a ceramic vacuum interrupter used in vacuum circuit breakers such as ZN63, ZN65, ZN68-12, etc.

[Ceramic arc extinguishing chamber]TD14A-12/630 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:32:21

The TD14A-12/630 vacuum circuit breaker is equipped with ceramic vacuum arc extinguishing chambers for ZN28, ZN22, ZN33, ZN58, ZN63, ZN65, and ZN68 circuit breakers.

TD14A-12/630-20
TD14A-12/630-25

[Ceramic arc extinguishing chamber]TD14A-12/1000 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:32:12

The ceramic vacuum arc extinguishing chamber for TD14A-12/1000 vacuum circuit breaker is used for circuit breakers ZN28, ZN22, ZN33, ZN58, ZN63, ZN65, and ZN68.

TD14A-12/1000-20
TD14A-12/1000-25

[Ceramic arc extinguishing chamber]TD14A-12/1250-20 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:32:04

TD14A-12/1250-20 ceramic vacuum interrupter is used for high-voltage vacuum circuit breakers such as ZN28, ZN22, ZN33, ZN58, ZN63, ZN65, ZN68, etc.

[Ceramic arc extinguishing chamber]TD14A-12/1250-31.5J Ceramic vacuum arc extinguishing chamber

2026-6-16 14:31:55

TD14A-12/1250-31.5J ceramic vacuum arc extinguishing chamber for vacuum circuit breakers, suitable for ZN28, ZN22, ZN33, ZN58, ZN63, ZN65, ZN68.

[Ceramic arc extinguishing chamber]TD14A-12/1600-31.5L Ceramic vacuum arc extinguishing chamber

2026-6-16 14:31:47

TD14A-12/1600-31.5L ceramic vacuum arc extinguishing chamber is used for ZN168 (VBG) -12, ZN63, ZN65 and other circuit breakers, with a long life of 100000 cycles.

[Ceramic arc extinguishing chamber]TD14A-12/1600-25 ceramic insulated shell vacuum arc extinguishing chamber

2026-6-16 14:31:38

TD14A-12/1600-25 ceramic insulated shell vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD14A-12/1250-25 Vacuum arc extinguishing chamber

2026-6-16 14:31:30

The vacuum arc extinguishing chamber for TD14A-12/1250-25 vacuum circuit breaker is a ceramic insulated shell, used for ZN28, ZN22, ZN33, ZN58, ZN63, ZN65, ZN68 vacuum circuit breakers

[Ceramic arc extinguishing chamber]TD14A-12/1600-31.5B Vacuum arc extinguishing chamber

2026-6-16 14:31:22

The vacuum arc extinguishing chamber for TD14A-12/1600-31.5B vacuum circuit breaker is a ceramic insulated shell, used for ZN28��ZN22��ZN33��ZN58��ZN63��ZN65��ZN68��

[Ceramic arc extinguishing chamber]TD14-12/1250-31.5B/Z Vacuum arc extinguishing chamber

2026-6-16 14:31:13

The vacuum arc extinguishing chamber for TD14-12/1250-31.5B/Z vacuum circuit breaker is a ceramic insulated shell arc extinguishing chamber, used for ZN28, ZN22, ZN33, ZN63, ZN68, altitude �� 4300m.

[Ceramic arc extinguishing chamber]TD14-12/1600-31.5B/Z (TD14-12/1600-31.5D)Vacuum arc extinguishing chamber

2026-6-16 14:31:05

The vacuum arc extinguishing chamber for TD14-12/1600-31.5B/Z (TD14-12/1600-31.5D) vacuum circuit breaker is a ceramic insulated shell. Used for ZN28, ZN22, ZN33, ZN63, ZN68, altitude �� 4300m.

[Ceramic arc extinguishing chamber]TD14-12/1250-25A Vacuum arc extinguishing chamber

2026-6-16 14:30:56

The vacuum arc extinguishing chamber (TD303A) for TD14-12/1250-25A vacuum circuit breaker is a ceramic insulated housing used for ZN63

[Ceramic arc extinguishing chamber]TD��7-12/6300-80A Vacuum arc extinguishing chamber

2026-6-16 14:30:48

The vacuum arc extinguishing chamber for TD��7-12/6300-80A vacuum circuit breaker is a ceramic insulated shell vacuum arc extinguishing chamber used for generator protection of the circuit breaker

[Ceramic arc extinguishing chamber]TD0132A Low voltage vacuum arc extinguishing chamber

2026-6-16 14:30:39

TD0132A Low pressure vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]ZMD12/630-20 ceramic vacuum arc extinguishing chamber

2026-6-16 14:30:31

ZMD12/630-20 ceramic vacuum arc extinguishing chamber

Model number	ZMD12/630-20 ZMD12/630-20(I)
rated voltage	12KV
rated current	630A
Rated short-circuit breaking current	20KA
Rated short-circuit closing current (peak)	50KA
Rated peak withstand current	50KA
Rated short-time withstand current	20KA
Rated short-circuit duration	4S
Rated short-time (lmin) power frequency withstand voltage	42KV
Rated lightning impulse voltage	75KV
Circuit resistance under rated contact pressure	��25�̦�
Rated short-circuit breaking current breaking times	50 times
Rated current breaking times	10000 times
mechanical life	10000 times
Contact self closing force	150±50N
Contact reaction force under contact opening distance	210±60N
Allowable thickness for electrical wear of contacts	3mm
quality	3.5kg

[Ceramic arc extinguishing chamber]ZMD12/800-25 ceramic vacuum arc extinguishing chamber

2026-6-16 14:30:23

ZMD12/800-25 ceramic vacuum arc extinguishing chamber

Model number	ZMD12/800-25
rated voltage	12KV
rated current	800A
Rated short-circuit breaking current	25KA
Rated short-circuit closing current (peak)	63KA
Rated peak withstand current	63KA
Rated short-time withstand current	25KA
Rated short-circuit duration	4S
Rated short-time (lmin) power frequency withstand voltage	42KV
Rated lightning impulse voltage	75KV
Circuit resistance under rated contact pressure	��40�̦�
Rated short-circuit breaking current breaking times	50 times
Rated current breaking times	10000 times
mechanical life	10000 times
Contact self closing force	150±50N
Contact reaction force under contact opening distance	210±60N
Allowable thickness for electrical wear of contacts	3mm
quality	3.3kg

[Ceramic arc extinguishing chamber]ZMD14-1250, 1600/10-31.5 ceramic vacuum arc extinguishing chamber

2026-6-16 14:30:14

ZMD14-1250, 1600/10-31.5 ceramic vacuum arc extinguishing chamber

model	ZMD14-1250/10-31.5 ZMD14-1600/10-31.5
rated voltage	12KV
rated frequency	50~60Hz
rated current	1250��1600A
Rated short-circuit breaking current	31.5KA
Rated short-circuit closing current (peak)	80KA
Rated peak withstand current	80KA
Rated short-time withstand current	31.5KA
Rated short-circuit duration	4S
Rated breaking current of a single capacitor bank	630A
Rated back-to-back capacitor bank breaking current	400A
Rated short-time (1-minute) power frequency withstand voltage	42KV
Rated lightning impulse withstand voltage	75KV
Circuit resistance under rated contact pressure	��25�̦�
Rated short-circuit breaking current breaking times	30/50 times
Rated current breaking times	10000 times
mechanical life	10000 times
Allowable wear thickness of contacts	3mm
Contact self closing force	160±60N
Contact reaction force	210±60N
Quality of the sports section	1.18kg
quality	4.1kg
Allow storage period	20a
Mechanical parameters that the matching vacuum circuit breaker should meet
contact gap	11±1mm
Contact stroke of contacts	4±1mm
Average opening speed	1.1±0.2m/s
Average closing speed	0.6±0.2m/s
Rated contact pressure	3350±320N
Contact closing bounce time	��2ms
Contact closing and opening at different periods	��1ms

[Ceramic arc extinguishing chamber]ZMD14-1250, 1600/10-20 ceramic vacuum arc extinguishing chamber

2026-6-16 14:30:06

ZMD14-1250, 1600/10-20 ceramic vacuum arc extinguishing chamber

model	ZMD14-1250/10-20 ZMD14-1600/10-20
rated voltage	12KV
rated frequency	50~60Hz
rated current	1250��1600A
Rated short-circuit breaking current	20KA
Rated short-circuit closing current (peak)	50KA
Rated peak withstand current	50KA
Rated short-time withstand current	20KA
Rated short-circuit duration	4S
Rated breaking current of a single capacitor bank	630A
Rated back-to-back capacitor bank breaking current	400A
Rated short-time (1-minute) power frequency withstand voltage	42KV
Rated lightning impulse withstand voltage	75KV
Circuit resistance under rated contact pressure	��25�̦�
Rated short-circuit breaking current breaking times	30/50 times
Rated current breaking times	10000 times
mechanical life	10000 times
Allowable wear thickness of contacts	3mm
Contact self closing force	160±60N
Contact reaction force	210±60N
Quality of the sports section	1.05kg
quality	4.kg
Allow storage period	20a
Mechanical parameters that the matching vacuum circuit breaker should meet
contact gap	11±1.5/0 mm
Contact stroke of contacts	4±1mm
Average opening speed	1±0.3m/s
Average closing speed	0.55±0.15m/s
Rated contact pressure	2000±200N
Contact closing bounce time	��2ms
Contact closing and opening at different periods	��1ms

[Ceramic arc extinguishing chamber]ZKTJ-160/1.14 ceramic vacuum switch tube

2026-6-16 14:29:57

ZKTJ-160/1.14 ceramic vacuum switch tube

Model number	ZKTJ-160/1.14
Rated voltage (V)	one thousand one hundred and forty
Rated current (A)	ten
Ultimate Breaking Capacity (A)	three thousand
Electrical lifespan (AC4 times)	6x104
Contact resistance (�� )	��200
Vacuum self closing force (N)	17.6±4.9
Mass (Kg)	zero point two three
Dimensions (mm)	98±0.5
Dimensions (mm)	��35.3

ZKTJ-160/1.14 ceramic vacuum switch tube

[Ceramic arc extinguishing chamber]ZKTJ-80/0.66 ceramic vacuum switch tube

2026-6-16 14:29:49

ZKTJ-80/0.66 ceramic vacuum switch tube

Rated voltage 660V, rated current 80A, ultimate breaking capacity 1600A, contact resistance �� 300, mass 0.11kg.

Model number	ZKTJ-80/0.66
Rated voltage (V)	six hundred and sixty
Rated current (A)	eighty
Ultimate Breaking Capacity (A)	one thousand and six hundred
Electrical lifespan (AC4 times)	6x104
Contact resistance (�� )	��300
Vacuum self closing force (N)	17±4
Mass (Kg)	zero point one one
Dimensions (mm)	68.5±1
Dimensions (mm)	��30±0.5

ZKTJ-80/0.66 ceramic vacuum switch tube

[Ceramic arc extinguishing chamber]TD21-40.5/2000-31.5 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:29:40

TD21-40.5/2000-31.5 Ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD12-40.5/2500-31.5 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:29:32

TD12-40.5/2500-31.5 Ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD27-40.5/1600-31.5 Ceramic Vacuum Arc Extinguisher Chamber

2026-6-16 14:29:23

TD27-40.5/1600-31.5 Ceramic Vacuum Arc Extinguisher Chamber

[Ceramic arc extinguishing chamber]TD27-40.5/2000-31.5 Ceramic Vacuum Arc Extinguisher Chamber

2026-6-16 14:29:15

TD27-40.5/2000-31.5 Ceramic Vacuum Arc Extinguisher Chamber

[Ceramic arc extinguishing chamber]TD24-40.5/1250-16 ceramic vacuum arc extinguishing chamber

2026-6-16 14:29:05

TD24-40.5/1250-16 ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD24-40.5/630-12.5 ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:56

TD24-40.5/630-12.5 ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-24/3150-31.5C ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:48

TD34-24/3150-31.5C ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-24/1600-25A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:40

TD34-24/1600-25A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-24/630-25A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:31

TD34-24/630-25A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD27-36/2000-31.5A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:23

TD27-36/2000-31.5A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD17-38/1250-20 ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:13

TD17-38/1250-20 ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD17-38/630-16 ceramic vacuum arc extinguishing chamber

2026-6-16 14:28:05

TD17-38/630-16 ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD27-36/2000-25A ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:57

TD27-36/2000-25A ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-24/1250-20A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:48

TD34-24/1250-20A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-12/6300-80A ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:40

TD-12/6300-80A ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD24-12/630-20C ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:28

TD24-12/630-20C ceramic vacuum arc extinguishing chamber (TD3738AF1)

[Ceramic arc extinguishing chamber]TD34-12/1250-31.5A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:19

TD34-12/1250-31.5A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-12/1600-31.5A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:11

TD34-12/1600-31.5A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-12/1250-25A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:27:03

TD34-12/1250-25A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-12/630-25A/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:26:53

TD34-12/630-25A/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-12/3150-40C/R ceramic vacuum arc extinguishing chamber

2026-6-16 14:26:44

TD34-12/3150-40C/R ceramic vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD34-12/4000-40C/R Ceramic vacuum arc extinguishing chamber

2026-6-16 14:26:36

Ceramic vacuum arc extinguishing chamber for TD34-12/4000-40C/R vacuum circuit breaker

[Ceramic arc extinguishing chamber]TD31-12/630-20B/R Ceramic vacuum arc extinguishing chamber

2026-6-16 14:26:28

Ceramic vacuum arc extinguishing chamber for TD31-12/630-20B/R vacuum circuit breaker

[Ceramic arc extinguishing chamber]TD31-12/630-20B Ceramic vacuum arc extinguishing chamber

2026-6-16 14:26:19

Ceramic vacuum arc extinguishing chamber for TD31-12/630-20B vacuum circuit breaker

[Ceramic arc extinguishing chamber]TD32-12/800-13.1 Vacuum arc extinguishing chamber

2026-6-16 14:26:11

TD32-12/800-13.1 Vacuum arc extinguishing chamber for vacuum circuit breakers

[Ceramic arc extinguishing chamber]TD-1.14/5000-12.5 Vacuum arc extinguishing chamber

2026-6-16 14:26:02

TD-1.14/5000-12.5 Vacuum arc extinguishing chamber for vacuum circuit breakers

[Ceramic arc extinguishing chamber]TD-1.14/450-10 Vacuum arc extinguishing chamber

2026-6-16 14:25:54

Vacuum arc extinguishing chamber for TD-1.14/450-10 vacuum circuit breaker

[Ceramic arc extinguishing chamber]TD-1.14/400-8 Vacuum arc extinguishing chamber

2026-6-16 14:25:45

Vacuum arc extinguishing chamber for TD-1.14/400-8 vacuum circuit breaker

[Ceramic arc extinguishing chamber]ZKTJ-7.2/400 Vacuum arc extinguishing chamber

2026-6-16 14:25:37

Vacuum arc extinguishing chamber for ZKTJ-7.2/400 vacuum contactor

[Ceramic arc extinguishing chamber]ZKTJ-7.2/250 vacuum interrupter for vacuum contactor

2026-6-16 14:25:28

ZKTJ-7.2/250 vacuum interrupter for vacuum contactor

[Ceramic arc extinguishing chamber]TJ-12/160 Vacuum arc extinguishing chamber

2026-6-16 14:25:20

Vacuum arc extinguishing chamber for TJ-12/160 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-7.2/630 Vacuum arc extinguishing chamber

2026-6-16 14:25:11

Vacuum arc extinguishing chamber for TJ-7.2/630 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-7.2/160 Vacuum arc extinguishing chamber

2026-6-16 14:25:03

Vacuum arc extinguishing chamber for TJ-7.2/160 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/1000 Vacuum arc extinguishing chamber

2026-6-16 14:24:54

Vacuum arc extinguishing chamber for TJ-1.14/1000 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/630 Vacuum arc extinguishing chamber

2026-6-16 14:24:46

Vacuum arc extinguishing chamber for TJ-1.14/630 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/400 Vacuum arc extinguishing chamber

2026-6-16 14:24:37

Vacuum arc extinguishing chamber for TJ-1.14/400 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/300 Vacuum arc extinguishing chamber

2026-6-16 14:24:29

Vacuum arc extinguishing chamber for TJ-1.14/300 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14-250 Vacuum arc extinguishing chamber

2026-6-16 14:24:21

Vacuum arc extinguishing chamber for TJ-1.14-250 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/200 Vacuum arc extinguishing chamber

2026-6-16 14:24:12

Vacuum arc extinguishing chamber for TJ-1.14/200 vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/125(B) Vacuum arc extinguishing chamber

2026-6-16 14:24:04

TJ-1.14/125 (B) Vacuum arc extinguishing chamber for vacuum contactor

[Ceramic arc extinguishing chamber]TJ-1.14/125 (A) Vacuum arc extinguishing chamber

2026-6-16 14:23:55

TJ-1.14/125 (A) Vacuum arc extinguishing chamber for vacuum contactor

[Ceramic arc extinguishing chamber]TD-12/3150-40(310mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:47

TD-12/3150-40 (310mm) Solid Sealing Pole Arc Extinguishing Chamber Solid Sealing Pole 3150-40 Dimensions and Technical Parameters Table

Main technical parameters
serial number	name	unit	Numerical value
one	rated voltage	kV	twelve
two	rated current	A	three thousand one hundred and fifty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	forty
seven	Rated peak withstand current	kA	one hundred
eight	Rated short-circuit closing current	kA	one hundred
nine	Rated short-time withstand current (4 seconds)	kA	forty
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��10
fifteen	Contact self closing force	N	200±60
sixteen	Contact reaction force at rated opening distance	N	300±60
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-180s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	4200±300
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-12/3150-40 (310mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-12/2000-31.5(275mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:38

Technical parameter table for TD-12/2000-31.5 (275mm) solid sealed pole arc extinguishing chamber

Main technical parameters
serial number	name	unit	Numerical value
one	rated voltage	kV	twelve
two	rated current	A	two thousand
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��12
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-0.3s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	3100±200
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-12/2000-31.5 (275mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-12/1250-31.5(275mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:30

Main technical parameters of TD-12/1250-31.5 (275mm) solid sealed pole arc extinguishing chamber

serial number	parameter name	unit	numerical value
one	rated voltage	KV	twelve
two	rated current	A	one thousand two hundred and fifty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	forty-two
five	Lightning impulse withstand voltage	KV	seventy-five
six	Rated short-circuit breaking current	KA	thirty-one point five
seven	Rated peak withstand current	KA	eighty
eight	Rated short-circuit closing current	KA	eighty
nine	Rated short-time withstand current	KA	thirty-one point five
ten	Rated short-circuit duration	S	four
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	fifty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��25
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
twenty	Quality of the sports section	Kg	<1.2
twenty-one	Quality of vacuum arc extinguishing chamber	Kg	<4

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	11±1
two	Average opening speed	m/s	1.1±0.2
three	Average closing speed	m/s	0.6±0.2
four	Rated contact pressure	N	3100±200
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5
eight	Contact stroke of contacts	mm	3+10

TD-12/1250-31.5 (275mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-24/3150-40 Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:21

TD-24/3150-40 Solid Sealed Pole Arc Extinguishing Chamber Dimensions and Technical Parameters Table

Main technical parameters
serial number	name	unit	Numerical value
one	rated voltage	kV	twelve
two	rated current	A	three thousand one hundred and fifty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	forty
seven	Rated peak withstand current	kA	one hundred
eight	Rated short-circuit closing current	kA	one hundred
nine	Rated short-time withstand current (4 seconds)	kA	forty
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��10
fifteen	Contact self closing force	N	200±60
sixteen	Contact reaction force at rated opening distance	N	300±60
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-180s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	4200±300
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-24/3150-40 solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-24/2500-31.5(310mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:12

Table of Dimensions and Technical Parameters for Solid Sealed Pole 24kV/2500-31.5KA

Main technical parameters
serial number	name	unit	Numerical value
one	rated voltage	kV	twenty-four
two	rated current	A	two thousand and five hundred
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��10
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-0.3s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	3100±200
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-24/2500-31.5 (310mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-24/2000-31.5(310mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:23:04

Table of Dimensions and Technical Parameters for Sealed Pole 2000-31.5KA

Main technical parameters
serial number	name	unit	Numerical value	Remarks
one	rated voltage	kV	twelve
two	rated current	A	two thousand
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��12
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-0.3s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	3100±200
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-24/2000-31.5 (310mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-24/1600-31.5(310mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:22:55

TD-24/1600-31.5 (310mm) solid sealed pole arc extinguishing chamber

Table of Dimensions and Technical Parameters for Solid Sealed Pole 24kV/1600-31.5KA

Main technical parameters
serial number	name	unit	Numerical value	Remarks
one	rated voltage	kV	twenty-four
two	rated current	A	one thousand and six hundred
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	�̦�	��16
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-0.3s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	3100±200
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	��2
seven	Contact rebound amplitude	mm	��2
eight	Contact closing and opening at different periods	ms	��1

TD-24/1600-31.5 (310mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-12/1250-31.5(205mm) Solid sealed pole arc extinguishing chamber

2026-6-16 14:22:46

Main technical parameters of TD-12/1250-31.5 (205mm) solid sealed pole arc extinguishing chamber

serial number	parameter name	unit	numerical value
one	rated voltage	KV	twelve
two	rated current	A	one thousand two hundred and fifty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	forty-two
five	Lightning impulse withstand voltage	KV	seventy-five
six	Rated short-circuit breaking current	KA	thirty-one point five
seven	Rated peak withstand current	KA	eighty
eight	Rated short-circuit closing current	KA	eighty
nine	Rated short-time withstand current	KA	thirty-one point five
ten	Rated short-circuit duration	S	four
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	fifty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��25
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
twenty	Quality of the sports section	Kg	<1.2
twenty-one	Quality of vacuum arc extinguishing chamber	Kg	<4

Mechanical characteristics and parameters of vacuum switch equipment for TD-12/1250-31.5 (205mm) solid sealed pole arc extinguishing chamber

one	contact gap	mm	11±1
two	Average opening speed	m/s	1.1±0.2
three	Average closing speed	m/s	0.6±0.2
four	Rated contact pressure	N	3100±200
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5
eight	Contact stroke of contacts	mm	three⁺¹₀

TD-12/1250-31.5 (205mm) solid sealed pole arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-24/1250-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:22:37

Main technical parameters of vacuum arc extinguishing chamber for TD-24/1250-31.5 circuit breaker

serial number	name	unit	Numerical value
one	rated voltage	kV	twenty-four
two	rated current	A	one thousand two hundred and fifty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	seventy-nine
five	Lightning impulse withstand voltage (peak value)	kV	one hundred and forty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated short-circuit duration	s	four
eleven	Rated short-circuit breaking current breaking times	time	thirty
twelve	mechanical life	time	ten thousand
thirteen	Contact self closing force	N	110±40
fourteen	Contact reaction force at rated opening distance	N	190±40
fifteen	Allowable wear thickness of contacts	mm	three
sixteen	Circuit resistance under rated contact pressure	�̦�	��20
seventeen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
eighteen	Quality of the sports section	kg	one point two nine

Mechanical parameters of supporting vacuum switch

one	contact gap	mm	13±1
two	Average opening speed	m/s	1.4±0.2
three	Average closing speed	m/s	0.8±0.2
four	Contact closing bounce time	ms	��2
five	Rated contact pressure	N	3000±200
six	Contact closing and opening at different periods	ms	��1
seven	Contact rebound amplitude	mm	��1.5

Vacuum arc extinguishing chamber for TD-24/1250-31.5 circuit breaker

[Ceramic arc extinguishing chamber]TD-24/1600-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:22:29

Main technical parameters of vacuum arc extinguishing chamber for TD-24/1600-31.5 circuit breaker

serial number	name	unit	Numerical value
one	rated voltage	kV	twenty-four
two	rated current	A	one thousand and six hundred
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	seventy-nine
five	Lightning impulse withstand voltage (peak value)	kV	one hundred and forty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated short-circuit duration	s	four
eleven	Rated short-circuit breaking current breaking times	time	thirty
twelve	mechanical life	time	ten thousand
thirteen	Contact self closing force	N	110±40
fourteen	Contact reaction force at rated opening distance	N	190±40
fifteen	Allowable wear thickness of contacts	mm	three
sixteen	Circuit resistance under rated contact pressure	�̦�	��20
seventeen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
eighteen	Quality of the sports section	kg	one point two nine

Mechanical parameters of supporting vacuum switch

one	contact gap	mm	13±1
two	Average opening speed	m/s	1.4±0.2
three	Average closing speed	m/s	0.8±0.2
four	Contact closing bounce time	ms	��2
five	Rated contact pressure	N	3000±200
six	Contact closing and opening at different periods	ms	��1
seven	Contact rebound amplitude	mm	��1.5

Vacuum arc extinguishing chamber for TD-24/1600-31.5 circuit breaker

[Ceramic arc extinguishing chamber]TD-24/2000, TD-24/2500-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:22:20

Main technical parameters of vacuum arc extinguishing chambers for TD-24/2000, TD-24/2500-31.5 circuit breakers

serial number	name	unit	Numerical value
one	rated voltage	kV	twenty-four
two	rated current	A	2000/2500
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	sixty-five
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	forty
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated short-circuit duration	s	four
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	thirty
fourteen	mechanical life	time	ten thousand
fifteen	Circuit resistance under rated contact pressure	�̦�	��15
sixteen	Contact self closing force	N	200±60
seventeen	Contact reaction force at rated opening distance	N	300±60
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
twenty	Quality of the sports section	kg	one point two

Mechanical parameters of supporting vacuum switch

one	contact gap	mm	10±1.0
two	Average opening speed	m/s	1.2±0.2
three	Average closing speed	m/s	0.7±0.2
four	Contact closing bounce time	ms	��2
five	Rated contact pressure	N	4200±200
six	Contact closing and opening at different periods	ms	��1
seven	Contact rebound amplitude	mm	��1.5
eight	Contact stroke of contacts	mm	3+^one₀

Vacuum arc extinguishing chamber for circuit breakers TD-24/2000, TD-24/2500-31.5

[Ceramic arc extinguishing chamber]TD-40.5/2000,TD-40.5/1600-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:22:12

Main technical parameters

serial number	parameter name	unit	numerical value
one	rated voltage	KV	forty point five
two	rated current	A	1600/2000
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	ninety-five
five	Lightning impulse withstand voltage	KV	one hundred and eighty-five
six	Rated short-time withstand current	KA	thirty-one point five
seven	Rated peak withstand current	KA	eighty
eight	Rated short-circuit closing current	KA	eighty
nine	Rated short-time withstand current	KA	thirty-one point five
ten	Rated short-circuit duration	S	four
eleven	Rated Active load breaking current	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	twenty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	200±60
sixteen	Contact reaction force at rated opening distance	N	300±60
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��25
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
twenty	Quality of the sports section	Kg	three point six

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	20±1
two	Average opening speed	m/s	1.7±0.2
three	Average closing speed	m/s	0.75±0.2
four	Rated contact pressure	N	3000±200
five	Contact closing bounce time	ms	��3
six	Non synchronous closing and opening of contacts	ms	��2
seven	Rebound amplitude of the opening contact	mm	��1

TD-40.5/2000-31.5 vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TF-12/630-20 Vacuum arc extinguishing chamber

2026-6-16 14:22:03

Main technical parameters of vacuum arc extinguishing chamber for TF-12/630-20 load switch

serial number	parameter name	unit	numerical value
one	rated voltage	KV	twelve
two	rated current	A	six hundred and thirty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	forty-two
five	Lightning impulse withstand voltage	KV	seventy-five
six	Rated short-time withstand current	KA	twenty
seven	Rated short-circuit duration	S	four
eight	Rated peak withstand current	KA	fifty
nine	Rated short-circuit closing current	KA	fifty
ten	Rated Active load breaking current	A	six hundred and thirty
eleven	Transfer current (AC current)	KA	three point one five
twelve	Rated closed-loop breaking current	A	six hundred and thirty
thirteen	Rated cable charging breaking current	A	ten
fourteen	Rated no-load transformer breaking current	A	one hundred
fifteen	Rated breaking current of a single capacitor bank	A	five hundred
sixteen	Rated back-to-back capacitor bank breaking current	A	four hundred
seventeen	mechanical life	time	ten thousand
eighteen	Contact self closing force	N	80±30
nineteen	Contact reaction force at rated opening distance	N	140±40
twenty	Circuit resistance at lower limit of rated contact pressure	��	��35
twenty-one	Allowable wear thickness of contacts	mm	three
twenty-two	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
twenty-three	Quality of the sports section	Kg	zero point six
twenty-four	Quality of vacuum arc extinguishing chamber	Kg	two point one

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	10±1
two	Average opening speed	m/s	1.0±0.2
three	Average closing speed	m/s	0.6±0.2
four	Rated contact pressure	N	1000±200
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5
eight	Contact stroke of contacts	mm	three⁺¹₀

Vacuum arc extinguishing chamber for TF-12/630-20 load switch

[Ceramic arc extinguishing chamber]TJC-7.2/630-6 Vacuum arc extinguishing chamber

2026-6-16 14:21:55

Main technical parameters

serial number	parameter name	unit	numerical value
one	rated voltage	KV	seven point two
two	rated current	A	six hundred and thirty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	thirty-two
five	Rated breaking current (maximum/minimum)	KA	5.0/0.12
six	Maximum breaking current	KA	six point three
seven	Rated turn-on current	KA	six point three
eight	Withstand overload current	KA	six point three
nine	electrical life	ten thousand times	25 (AC-3 category)
nine	electrical life	ten thousand times	1 (AC-4 category)
ten	mechanical life	ten thousand times	thirty
eleven	Contact self closing force	N	85±20
twelve	Contact reaction force at rated opening distance	N	130±20
thirteen	Circuit resistance under self isolation	��	��100
fourteen	Allowable wear thickness of contacts	mm	two
fifteen	Internal gas pressure	Pa	��1.33×10^-3
sixteen	Quality of the sports section	Kg	zero point four

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	4±0.5
two	Average opening speed	m/s	0.45±0.05
three	Average closing speed	m/s	0.25±0.05
four	Rated contact pressure	N	100±20
five	Contact closing bounce time	ms	��2
six	Three phase synchronicity	ms	��1
seven	Contact stroke of contacts	mm	one point five^+0.5₀

TJC-7.2/630-6 vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]TD-7.2/630-12.5 Vacuum arc extinguishing chamber

2026-6-16 14:21:46

Main technical parameters of TD-7.2/630-12.5 vacuum arc extinguishing chamber

serial number	parameter name	unit	numerical value
one	rated voltage	KV	seven point two
two	rated current	A	six hundred and thirty
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	thirty-two
five	Lightning impulse withstand voltage (peak value)	KV	sixty
six	Rated short-circuit breaking current	KA	twelve point five
seven	Rated short-time withstand current	KA	twelve point five eight
eight	Rated short-circuit duration	S	four
nine	Rated peak withstand current	KA	thirty-one point five
ten	Rated short-circuit closing current	KA	thirty-one point five
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	thirty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	80±20
sixteen	Contact reaction force	N	100±40
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��100
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Internal gas pressure	Pa	��1.33×10-3
twenty	Quality of moving parts	kg	zero point six

Mechanical characteristics and parameters of vacuum switch equipment for TD-7.2/630-12.5 vacuum arc extinguishing chamber

one	contact gap	mm	8±1.0
two	Average opening speed	m/s	1.0±0.2
three	Average closing speed	m/s	0.7±0.2
four	Contact closing bounce time	N	��2
five	Non synchronous closing and opening of contacts	ms	��1
six	Rebound amplitude of the opening contact	ms	��1.5
seven	Rated contact pressure	mm	1500±200
eight	Contact stroke of contacts	mm	2+10

[Ceramic arc extinguishing chamber]TD-7.2/400-10 Vacuum arc extinguishing chamber for circuit breakers (mining)

2026-6-16 14:21:38

Main technical parameters of vacuum arc extinguishing chamber for TD-7.2-400-10 circuit breaker (mining)

serial number	parameter name	unit	numerical value
one	rated voltage	KV	seven point two
two	rated current	A	four hundred
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	thirty-two
five	Lightning impulse withstand voltage (peak value)	KV	sixty
six	Rated short-circuit breaking current	KA	ten
seven	Rated short-time withstand current	KA	ten
eight	Rated short-circuit duration	S	four
nine	Rated peak withstand current	KA	twenty-five
ten	Rated short-circuit closing current	KA	twenty-five
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	thirty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	85±20
sixteen	Contact reaction force	N	100±40
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��30
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Internal gas pressure	Pa	��1.33×10^-3
twenty	Quality of moving parts	kg	zero point six

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	8±1.0
two	Average opening speed	m/s	1.0±0.2
three	Average closing speed	m/s	0.8±0.2
four	Rated contact pressure	N	650±50
five	Contact closing bounce time	ms	��2
six	Rebound amplitude of the opening contact	ms	��1.5
seven	Contact stroke of contacts	mm	two^+0.5₀

TD-7.2-400-10 vacuum arc extinguishing chamber for circuit breakers (mining)

[Ceramic arc extinguishing chamber]TD-12/4000-40 Vacuum arc extinguishing chamber

2026-6-16 14:21:29

Main technical parameters of vacuum arc extinguishing chamber for TD-12/4000-40 circuit breaker (ZN63, ZN28)

serial number	parameter name	unit	numerical value
one	rated voltage	KV	twelve
two	rated current	A	4000
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	forty-eight
five	Lightning impulse withstand voltage	KV	eighty-five
six	Rated short-circuit breaking current	KA	forty
seven	Rated peak withstand current	KA	one hundred
eight	Rated short-circuit closing current	KA	one hundred
nine	Rated short-time withstand current	KA	forty
ten	Rated short-circuit duration	S	four
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	thirty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	200±60
sixteen	Contact reaction force at rated opening distance	N	300±60
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��15
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10-3
twenty	Quality of the sports section	Kg	one point two

Mechanical characteristics and parameters of vacuum switchgear equipment for vacuum arc extinguishing chambers (ZN63, ZN28) used in TD-12/4000-40 circuit breakers

one	contact gap	mm	10±1.0
two	Average opening speed	m/s	1.2±0.2
three	Average closing speed	m/s	0.7±0.2
four	Rated contact pressure	N	4200±200
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5
eight	Contact stroke of contacts	mm	3+1 0

Vacuum arc extinguishing chamber for TD-12/4000-40 circuit breaker (ZN63, ZN28)

[Ceramic arc extinguishing chamber]ZN63,ZN28) Vacuum arc extinguishing chamber for circuit breakers

2026-6-16 14:21:21

Main technical parameters of vacuum arc extinguishing chamber for TD-12/3150-40 circuit breaker (ZN63, ZN28)

serial number	parameter name	unit	numerical value
one	rated voltage	KV	twelve
two	rated current	A	2500/3150
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	KV	forty-eight
five	Lightning impulse withstand voltage	KV	eighty-five
six	Rated short-circuit breaking current	KA	forty
seven	Rated peak withstand current	KA	one hundred
eight	Rated short-circuit closing current	KA	one hundred
nine	Rated short-time withstand current	KA	forty
ten	Rated short-circuit duration	S	four
eleven	Rated breaking current of a single capacitor bank	A	six hundred and thirty
twelve	Rated back-to-back capacitor bank breaking current	A	four hundred
thirteen	Rated short-circuit breaking current breaking times	time	thirty
fourteen	mechanical life	time	ten thousand
fifteen	Contact self closing force	N	200±60
sixteen	Contact reaction force at rated opening distance	N	300±60
seventeen	Circuit resistance at lower limit of rated contact pressure	��	��15
eighteen	Allowable wear thickness of contacts	mm	three
nineteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
twenty	Quality of the sports section	Kg	one point two

Mechanical characteristics and parameters of vacuum switchgear equipment for vacuum arc extinguishing chambers (ZN63, ZN28) used in TD-12/3150-40 circuit breakers

one	contact gap	mm	10±1.0
two	Average opening speed	m/s	1.2±0.2
three	Average closing speed	m/s	0.7±0.2
four	Rated contact pressure	N	4200±200
five	Contact closing bounce time	ms	��2
six	Non synchronous closing and opening of contacts	ms	��1
seven	Rebound amplitude of the opening contact	mm	��1.5
eight	Contact stroke of contacts	mm	three⁺¹₀

Vacuum arc extinguishing chamber for TD-12/3150-40 circuit breaker (ZN63, ZN28)

[Ceramic arc extinguishing chamber]TD-12/1250-40, TD-12/1600-40 Vacuum arc extinguishing chamber

2026-6-16 14:21:12

Main technical parameters of vacuum arc extinguishing chambers for circuit breakers TD-12/1250-40 and TD-12/1600-40

serial number	name	unit	Numerical value
one	rated voltage	kV	twelve
two	rated current	A	1250/1600
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	forty
seven	Rated peak withstand current	kA	one hundred
eight	Rated short-circuit closing current	kA	one hundred
nine	Rated short-time withstand current (4 seconds)	kA	forty
ten	Rated short-circuit duration	s	four
eleven	Rated short-circuit breaking current breaking times	time	thirty
twelve	mechanical life	time	ten thousand
thirteen	Circuit resistance under rated contact pressure	�̦�	��15
fourteen	Contact self closing force	N	100±50
fifteen	Contact reaction force at rated opening distance	N	200±50
sixteen	Allowable wear thickness of contacts	mm	three
seventeen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1.33×10^-3
eighteen	Quality of the sports section	kg	one point two

Mechanical parameters of supporting vacuum switch

contact gap	mm	10±1
two	Average opening speed	m/s	1.1±0.2
three	Average closing speed	m/s	0.6±0.2
four	Contact closing bounce time	ms	��2
five	Rated contact pressure	N	4300±300
six	Contact closing and opening at different periods	ms	��1
seven	Contact rebound amplitude	mm	��1.5

Vacuum arc extinguishing chamber for circuit breakers TD-12/1250-40, TD-12/1600-40

[Ceramic arc extinguishing chamber]TJC-12/630 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:21:04

Overview
The arc extinguishing chamber adopts corrugated ceramic as the insulation shell, and the contacts are made of copper tungsten carbide alloy material. It adopts advanced one-time sealing and discharging technology, which has the advantages of small volume, high insulation level, low current cutoff value, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. The contactor assembled with it can frequently operate various electrical equipment, and when combined with fuses, it can form an F-C cabinet. Product Description

Main technical parameters

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated normal current	A	six hundred and thirty
Rated frequency	Hz	fifty
Rated put through current	kA	six point three
Rated breaking current	kA	five point zero four
Limiting breaking current	kA	six point three
Rated short-time withstand current voltage	kA	six point three
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Rated lightning impulse voltage Rated lighting impulse voltage	kV	seventy-five
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance	�̦�	��100
Electricity life	Ten thousand times	twenty-five
Mechanical endurance	Ten thousand times	fifty
Closing force due to bellows and atmosphere	N	70±30
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	100±40
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Cooperate with the mechanical parameters of the contactor

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	6±1
Contact travel	mm	2±0.5
Average closing speed Average closing speed	m/s	0.3±0.1
Average opening speed	m/s	0.6±0.2
Rated contact pressure Rated contact pressure	N	100±20
Contact closing bounce time Contact closeting bounce time	ms	��2
Synchronization of closing Closing same period	ms	��1

Ceramic vacuum arc extinguishing chamber for TJC-12/630 contactor

[Ceramic arc extinguishing chamber]TD-12/630-12.5 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:55

Overview
The ceramic vacuum arc extinguishing chamber for TD-12/630-12.5 circuit breaker adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, low noise, etc. The outdoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments, and is suitable for places with frequent operations.

Explanation of Ceramic Vacuum Arc Extinguishing Chamber for TD-12/630-12.5 Circuit Breaker

parameter name Parameter name	unit Unit	numerical value Value
Rated voltage	kV	twelve
Rated current	A	six hundred and thirty
Rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage Short time power frequency withstand voltage (1min)	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short circuit breaking current	kA	twelve point five
Rated peak withstand current	kA	thirty-one point five
Rated short circuit making current	kA	thirty-one point five
Rated short time withstand current	kA	twelve point five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated breaking current of back to back capacitor bank	A	four hundred
Rated short circuit breaking current times	Next time	thirty
Mechanical endurance	time	ten thousand
Closing force due to bellows and atmosphere	N	60±30
Force required to hold contacts open at full stroke at rated opening distance	N	160±30
Circuit resistance at lower limit of rated contact force	�̦�	��35
Contact limit abrasion	mm	three
Gas pressure inside vacuum interrupter	Pa	��1.33×10��^three
Weight of moving parts	kg	zero point three five
Weight of vacuum interrupter	kg	one point two

Mechanical parameters for using circuit breakers

Clearance between open contacts	mm	8±1
Average opening speed	m/s	1.2±0.2
Average closing speed	m/s	0.8±0.2
Rated contact force	N	1200±200
Contact bounce duration at closing operation	ms	��2
Out of simultaneity of contact closing and opening	ms	��2
Bouncing back amplitude of opening contact	mm	��2

Ceramic vacuum arc extinguishing chamber for TD-12/630-12.5 circuit breaker

[Ceramic arc extinguishing chamber]TD-40.5/1600-25 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:47

The ceramic vacuum arc extinguishing chamber for TD-40.5/1600-25 circuit breaker adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. Indoor vacuum circuit breakers assembled with it are used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of ceramic vacuum arc extinguishing chamber for TD-40.5/1600-25 circuit breaker

Parameter Name Parameter name	unit Unit	numerical value Value
rated voltage Rated voltage	kV	forty point five
rated current Rated normal current	A	one thousand and six hundred
Rated short-circuit breaking current Rated short-circuit breaking current	kA	twenty-five
Rated short-circuit closing current Rated short-circuit making current	kA	sixty-three
Rated peak withstand current Rated peak withstand current	kA	sixty-three
Rated short-time withstand current Rated short-time withstand current	kA	twenty-five
Rated short-circuit duration Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	ninety-five
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��25
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	one hundred and eighty-five
mechanical life Mechanical endurance	time Time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	200±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	300±50
Allowable wear thickness of contacts Contact-wear allowance thickness	mm	three
Internal gas pressure Internal gas pressure	Pa	��1.33×10��^three
Allowable storage period Storage period	year Year	twenty

Mechanical parameters for using circuit breakers

project Project	unit Unit	numerical value Value
contact gap Contact stroke	mm	22±1
Contact stroke of contacts Contact travel	mm	8±1
Average closing speed Average closing speed	m/s	0.6±0.2
Average opening speed Average opening speed	m/s	1.4±0.2
Rated contact pressure Rated contact pressure	N	2800±200
Contact closing bounce time Contact closing bounce time	ms	��5
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��2

Ceramic vacuum arc extinguishing chamber for TD-40.5/1600-25 circuit breaker

[Ceramic arc extinguishing chamber]TD-12/630-25 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:38

Overview
The arc extinguishing chamber adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments, and is suitable for places with frequent operations. Product Description

Main technical parameters

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated current	A	six hundred and thirty
Rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage Short time power frequency withstand voltage (1min)	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short circuit breaking current	kA	twenty-five
Rated peak withstand current	kA	sixty-three
Rated short circuit making current	kA	sixty-three
Rated short time withstand current	kA	twenty-five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated breaking current of single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated breaking current of back to back capacitor bank	A	four hundred
Rated short-circuit breaking current times Rated short circuit breaking current	Next time	thirty
mechanical life Mechanical endurance	Next time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	140±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	230±50
Circuit resistance at lower limit of rated contact pressure Circuit resistance at lower limit of rated contact force	�̦�	��25
Allowable wear thickness of contacts Contact limit erosion	mm	three
Gas pressure inside the vacuum arc extinguishing chamber Gas pressure inside vacuum interrupter	Pa	��1.33×10��^three
Quality of the sports section Weight of moving parts	kg	one point three
Quality of vacuum arc extinguishing chamber Weight of vacuum interrupter	kg	four point two

Mechanical parameters for using circuit breakers

Clearance between open contacts	mm	11±1
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact force	N	2000±200
Contact closing bounce time Contact bouncing duration at closing operation	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��3

Ceramic vacuum arc extinguishing chamber for TD-12/630-25 circuit breaker

[Ceramic arc extinguishing chamber]TJC-7.2/630B Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:30

Overview
The TJC-7.2/630B contactor uses a ceramic vacuum arc extinguishing chamber with a corrugated ceramic insulation shell and copper tungsten carbide alloy contacts. It adopts advanced one-time sealing technology and has the advantages of small volume, high insulation level, low current cutoff value, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. The contactor assembled with it can frequently operate various electrical equipment, and when combined with fuses, it can form an F-C cabinet.

Main technical parameters of ceramic vacuum arc extinguishing chamber for TJC-7.2/630B contactor

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	seven point two
Rated normal current	A	six hundred and thirty
Rated frequency	Hz	fifty
Rated put through current	kA	six point three
Rated breaking current	kA	five point zero four
Limiting breaking current	kA	six point three
Rated short-time withstand current Rated short-time withstand current	kA	six point three
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	thirty-two
Rated lightning impulse voltage Rated lighting impulse voltage	kV	sixty
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance	�̦�	��100
Electricity life	Ten thousand times	twenty-five
Mechanical endurance	Ten thousand times	fifty
Closing force due to bellows and atmosphere	N	70±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	100±20
Allowable wear thickness of contacts Contact -wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Cooperate with the mechanical parameters of the contactor

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	6±1
Contact travel	mm	2±0.5
Average closing speed	m/s	0.3±0.1
Average opening speed Average opening speed	m/s	0.6±0.2
Rated contact pressure Rated contact pressure	N	100±20
Contact closing bounce time Contact closeting bounce time	ms	��2
Closing Same Period	ms	��1

Ceramic vacuum arc extinguishing chamber for TJC-7.2/630B contactor

[Ceramic arc extinguishing chamber]TJC-7.2/630A Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:21

The TJC-7.2/630A contactor uses a ceramic vacuum arc extinguishing chamber with a corrugated ceramic insulation shell and copper tungsten carbide alloy contacts. It adopts advanced one-time sealing technology and has the advantages of small volume, high insulation level, low current cutoff value, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. The contactor assembled with it can frequently operate various electrical equipment, and when combined with fuses, it can form an F-C cabinet. Product Description

Main technical parameters of ceramic vacuum arc extinguishing chamber for TJC-7.2/630A contactor

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	seven point two
Rated normal current	A	six hundred and thirty
Rated frequency	Hz	fifty
Rated put through current	kA	six point three
Rated breaking current	kA	five point zero four
Limiting breaking current	kA	six point three
Rated short-time withstand current	kA	six point three
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	thirty-two
Rated lightning impulse voltage	kV	sixty
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance	�̦�	��100
Electricity life	ten thousand times Ten thousand	twenty-five
Mechanical endurance	ten thousand times Ten thousand	fifty
Closing force due to bellows and atmosphere	N	70±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	100±20
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Cooperate with the mechanical parameters of the contactor

Project	unit Unit	numerical value Value
Contact stroke distance	mm	6±1
Contact travel	mm	2±0.5
Average closing speed	m/s	0.3±0.1
Average opening speed	m/s	0.6±0.2
Rated contact pressure Rated contact pressure	N	100±20
Contact closing bounce time Contact closeting bounce time	ms	��2

Ceramic vacuum arc extinguishing chamber for TJC-7.2/630A contactor

[Ceramic arc extinguishing chamber]TJC-1.14/600 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:13

Overview
TJC-1.14/600 low-voltage contactor uses ceramic vacuum arc extinguishing chamber with ceramic insulation shell and WCCu alloy contacts. It adopts advanced one-time sealing and discharging technology, which has the advantages of small volume, strong breaking ability, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. Widely used in coal mines, chemical industry, petroleum metallurgy and other sectors, it is more suitable for use in places with frequent operations and harsh environments. Product Description

Main technical parameters of ceramic vacuum arc extinguishing chamber for TJC-1.14/600 low-voltage contactor

Parameter name		Unit Unit	Numerical Value
Rated voltage		kV	one point one four
Rated normal current		A	six hundred
Rated frequency		Hz	fifty
Rated put through current		A	six thousand
Rated breaking current		A	four thousand and eight hundred
Limiting breaking current		A	six thousand
Rated short-time withstand current Rated short-time withstand current		A	four thousand and eight hundred
Mechanical endurance		Ten thousand times	one hundred
Rated breaking frequency Rated breaking time	AC3 category	Ten thousand times	fifteen
	AC4 category	Ten thousand times	zero point six
Contact self closing force Closing force due to bellow and atmosphere		N	60±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke		N	90±20
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance		�̦�	��100
Allowable wear thickness of contacts Contact-wear allowance thickness		mm	two
shelf life Storage period		Year of Year	twenty
Internal gas pressure		Pa	��1.33×10��^three

Mechanical parameters for using contactors

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	2±0.2
Contact travel	mm	1±0.2
Average opening speed	m/s	0.6±0.2
Average closing speed	m/s	0.3±0.1
Rated contact pressure	N	100±20
Contact closing bounce time Contact closing bounce time	ms	��2
Closing Same Period	ms	��2

TJC-1.14/600 Ceramic Vacuum Arc Extinguishing Chamber for Low Voltage Contactors

[Ceramic arc extinguishing chamber]TJC-1.14-400 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:20:04

Overview
TJC-1.14-400 low-voltage contactor uses ceramic vacuum arc extinguishing chamber with ceramic insulation shell and WCCu alloy contacts. It adopts advanced one-time sealing and discharging technology, which has the advantages of small volume, strong breaking ability, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. Widely used in coal mines, chemical industry, petroleum metallurgy and other sectors, it is more suitable for use in places with frequent operations and harsh environments. Product Description

Main technical parameters

Parameter name		Unit Unit	Numerical Value
Rated voltage		kV	one point one four
Rated normal current		A	four hundred
Rated frequency		Hz	fifty
Rated put through current		A	four thousand
Rated breaking current		A	three thousand and two hundred
Limiting breaking current		A	four thousand
Rated short-time withstand current Rated short-time withstand current		A	three thousand and two hundred
Mechanical endurance		Ten thousand times	one hundred
Rated breaking frequency Rated breaking time	AC3 category	Ten thousand times	fifteen
	AC4 category	Ten thousand times	zero point six
Contact self closing force Closing force due to bellow and atmosphere		N	60±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke		N	90±20
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance		�̦�	��100
Allowable wear thickness of contacts Contact-wear allowance thickness		mm	two
Storage period		Year of Year	twenty
Internal gas pressure		Pa	��1.33×10��^three

TJC-1.14-400 Mechanical parameters of ceramic vacuum arc extinguishing chamber for low-voltage contactors

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	2±0.2
Contact travel	mm	1±0.2
Average opening speed	m/s	0.6±0.2
Average closing speed	m/s	0.3±0.2
Rated contact pressure	N	100±20
Contact closing bounce time Contact closing bounce time	ms	��2
Closing Same Period	ms	��2

Ceramic vacuum arc extinguishing chamber for TJC-1.14-400 low-voltage contactor

[Ceramic arc extinguishing chamber]TJC-1.14/250A Ceramic vacuum arc extinguishing chamber

2026-6-16 14:19:56

Overview
TJC-1.14/250A low-voltage contactor uses ceramic vacuum arc extinguishing chamber with ceramic insulation shell and WCCu alloy contacts. It adopts advanced one-time sealing and discharging technology, which has the advantages of small volume, strong breaking ability, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. Widely used in coal mines, chemical industry, petroleum metallurgy and other sectors, it is more suitable for use in places with frequent operations and harsh environments. Product Description

Main technical parameters of ceramic vacuum arc extinguishing chamber for TJC-1.14/250A low-voltage contactor

Parameter name		Unit Unit	Numerical Value
Rated voltage		kV	one point one four
Rated normal current		A	two hundred and fifty
Rated frequency		Hz	fifty
Rated put through current		A	two thousand and five hundred
Rated breaking current		A	two thousand
Limiting breaking current		A	two thousand and five hundred
Rated short-time withstand current		A	two thousand
Mechanical endurance		Ten thousand times	one hundred
Rated breaking frequency Rated breaking time	AC3 category	Ten thousand times	fifteen
	AC4 category	Ten thousand times	zero point six
Contact self closing force Closing force due to bellow and atmosphere		N	50±10
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke		N	70±10
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance		�̦�	��120
Contact wear allowance thickness		mm	two
Storage period		Year of Year	twenty
Internal gas pressure		Pa	��1.33×10��^three

Mechanical parameters for using contactors

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	2±0.2
Contact travel	mm	1±0.2
Average opening speed	m/s	0.6±0.1
Average closing speed	m/s	0.3±0.1
Rated contact pressure	N	100±20
Contact closing bounce time Contact closing bounce time	ms	��2
Closing Same Period	ms	��2

Ceramic vacuum arc extinguishing chamber for TJC-1.14/250A low-voltage contactor

[Ceramic arc extinguishing chamber]TJC-1.14/125 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:19:47

Overview
TJC-1.14/125 low-voltage contactor uses ceramic vacuum arc extinguishing chamber with ceramic insulation shell and WCCu alloy contacts. It adopts advanced one-time sealing and discharging technology, which has the advantages of small volume, strong breaking ability, long service life, simple maintenance, no explosion hazard, no pollution, and low noise. Widely used in coal mines, chemical industry, petroleum metallurgy and other sectors, it is more suitable for use in places with frequent operations and harsh environments. Product Description

Main technical parameters

Parameter name		Unit Unit	Numerical Value
Rated voltage		kV	one point one four
Rated normal current		A	one hundred and twenty-five
Rated frequency		Hz	fifty
Rated put through current		A	one thousand two hundred and fifty
Rated breaking current		A	one thousand
Limiting breaking current		A	one thousand two hundred and fifty
Rated short-time withstand current		A	one thousand
Mechanical endurance		ten thousand times Ten thousand	one hundred
Rated breaking frequency Rated breaking time	AC3 category	ten thousand times Ten thousand	fifteen
	AC4 category	ten thousand times Ten thousand	zero point six
Closing force due to bellows and atmosphere		N	20±10
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke		N	50±20
Circuit resistance under contact self closing force Contact automatic blocking ability loop electrical resistance		�̦�	��120
Contact wear allowance thickness		mm	two
shelf life Storage period		Year of Year	twenty
Internal gas pressure		Pa	��1.33×10��^three

TJC-1.14/125 Mechanical parameters of ceramic vacuum arc extinguishing chamber for low-voltage contactors

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	1.8±0.2
Contact travel	mm	1±0.2
Average opening speed	m/s	0.6±0.1
Average closing speed	m/s	0.3±0.1
Rated contact pressure	N	35±5
Contact closing bounce time Contact closing bounce time	ms	��2
Closing Same Period	ms	��2

TJC-1.14/125 Ceramic vacuum arc extinguishing chamber for low-voltage contactors

[Ceramic arc extinguishing chamber]TF-40.5/1250-20 Ceramic arc extinguishing chamber

2026-6-16 14:19:39

Overview
The ceramic arc extinguishing chamber for TF-40.5/1250-20 load switch adopts a ceramic insulation shell, low current cutoff value, and long-life Wcu contact material, which has the advantages of strong arc extinguishing ability, reliable performance, long life, small size, no explosion hazard, and no environmental pollution The corresponding vacuum automatic switch can be used for control and protection of transmission and distribution systems in power, metallurgy, mining, chemical and other departments, especially suitable for places that require frequent operation. Product Description

Main technical parameters of ceramic arc extinguishing chamber for TF-40.5/1250-20 load switch

Parameter name	Unit Unit	Parameter Value
Rated voltage	kV	forty point five
Rated current	A	one thousand two hundred and fifty
Rated frequency	Hz	50/60
Short term (1-minute) power frequency withstand voltage Short time power frequency withstand voltage (1min)	kV	seventy
Lightning impulse withstand voltage Lightning impulse withstand voltage	kV	one hundred and seventy
Rated short-circuit breaking current Rated short circuit breaking current	kA	twenty
Rated peak withstand current Rated peak withstand current	kA	fifty
Rated short-circuit closing current Rated short circuit making current	kA	fifty
Rated short-time withstand current Rated short time withstand current	kA	twenty
Rated short-circuit duration Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated breaking current of single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated breaking current of back to back capacitor bank	A	four hundred
mechanical life Mechanical endurance	Next time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	60±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	145±20
Contact limit abrasion thickness allowed for contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber Gas pressure inside vacuum interrupter	Pa	��1.33×10��^three
Weight of moving parts	kg	zero point four five
Quality of vacuum arc extinguishing chamber Weight of vacuum interrupter	kg	one point two

Mechanical parameters of load switch

Clearance between open contacts	mm	15±1
Average opening speed	m/s	1.6±0.2
Average closing speed	m/s	0.8±0.2
Rated contact force	N	700±100
Contact closing bounce time Contact bouncing duration at closing operation	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��2

Ceramic arc extinguishing chamber for TF-40.5/1250-20 load switch

[Ceramic arc extinguishing chamber]TF-12/630-12.5 Ceramic arc extinguishing chamber

2026-6-16 14:19:30

The ceramic arc extinguishing chamber for TF-12/630-12.5 load switch adopts a ceramic insulation shell, low current cutoff value, long-life Wcu contact material, which has the advantages of strong arc extinguishing ability, reliable performance, long life, small size, no explosion hazard, and no environmental pollution The corresponding vacuum automatic switch can be used for control and protection of transmission and distribution systems in power, metallurgy, mining, chemical and other departments, especially suitable for places that require frequent operation.

Product Description

parameter name Parameter name	unit Unit	numerical value Value
Rated voltage	kV	twelve
Rated current	A	six hundred and thirty
Rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage Short time power frequency withstand voltage (1min)	kV	forty-two
Lightning impulse withstand voltage Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current Rated short circuit breaking current	kA	twelve point five
Rated peak withstand current Rated peak withstand current	kA	thirty-one point five
Rated short-circuit closing current Rated short circuit making current	kA	thirty-one point five
Rated short-time withstand current Rated short time withstand current	kA	twelve point five
Rated short-circuit duration Rated duration of short circuit	s	three
Rated breaking current of a single capacitor bank Rated breaking current of single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated breaking current of back to back capacitor bank	A	six hundred and thirty
Rated short-circuit breaking current times Rated short circuit breaking current	time time	ten
mechanical life Mechanical endurance	time time	thirty thousand
Contact self closing force Closing force due to bellow and atmosphere	N	65±20
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	175±35
Circuit resistance at lower limit of rated contact pressure Circuit resistance at lower limit of rated contact force	�̦�	��35
Allowable wear thickness of contacts Contact limit erosion	mm	three
Gas pressure inside the vacuum arc extinguishing chamber Gas pressure inside vacuum interrupter	Pa	��1.33×10��^three
Quality of the sports section Weight of moving parts	kg	zero point five
Quality of vacuum arc extinguishing chamber Weight of vacuum interrupte	kg	one point seven five

Mechanical parameters of load switch

contact gap Clearance between open contacts	mm	9±1
Average opening speed Average opening speed	m/s	0.8±0.3
Average closing speed Average closing speed	m/s	0.5±0.1
Rated contact pressure Rated contact force	N	700±100
Contact closing bounce time Contact bouncing duration at closing operation	ms	��3
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��

Ceramic arc extinguishing chamber for TF-12/630-12.5 load switch

[Ceramic arc extinguishing chamber]TD-12/1250-20 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:19:22

Overview
The ceramic vacuum arc extinguishing chamber for TD-12/1250-20 circuit breaker adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, and low noise. The indoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments, and is suitable for places with frequent operations. Product Description

Main technical parameters

Parameter Name Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated normal current	A	one thousand two hundred and fifty
Rated short circuit breaking current	kA	twenty
Rated short circuit making current	kA	fifty
Rated peak withstand current	kA	fifty
Rated short-time withstand current	kA	twenty
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
Mechanical endurance	Next Time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Allowable wear thickness of contacts Contact-wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Mechanical parameters for using circuit breakers

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	11±1
Contact travel	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	2000±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��3

Ceramic vacuum arc extinguishing chamber for TD-12/1250-20 circuit breaker

[Ceramic arc extinguishing chamber]TD-12/1600-31.5 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:19:13

Overview

The ceramic vacuum arc extinguishing chamber for TD-12/1600-31.5 circuit breaker adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The indoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments, and is suitable for places with frequent operations.

Main technical parameters of ceramic vacuum arc extinguishing chamber for TD-12/1600-31.5 circuit breaker

Parameter name	Unit Unit	Numerical Value
Rated voltage	kV	twelve
Rated normal current	A	one thousand and six hundred
Rated short-circuit breaking current Rated short-circuit breaking current	kA	thirty-one point five
Rated short circuit making current	kA	eighty
Rated peak withstand current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��30
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	Next Time	ten thousand
Closing force due to bellows and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Contact wear allowance thickness	mm	three
Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	Year of Year	twenty

Mechanical parameters for using circuit breakers

Project	Unit Unit	Numerical Value
Contact stroke distance	mm	11±1
Contact travel	mm	3±^one₀
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��2
Out of simultaneity of contact closing and opening	ms	��2
Bouncing back amplitude of opening contact	mm	��2

Ceramic vacuum arc extinguishing chamber for TD-12/1600-31.5 circuit breaker

[Ceramic arc extinguishing chamber]TD-12/2500-40 Ceramic vacuum arc extinguishing chamber

2026-6-16 14:19:04

Overview
The ceramic vacuum arc extinguishing chamber for TD-12/2500-40 circuit breaker adopts corrugated ceramic as the insulation shell, with CuCr50 alloy contacts and cup-shaped longitudinal magnetic structure. It has the characteristics of large current interruption, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The indoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments, and is suitable for places with frequent operations. Product Description

Main technical parameters
Main technique parameter

Parameter name	unit Unit	numerical value Value
rated voltage Rated voltage	kV	twelve
rated current Rated normal current	A	two thousand and five hundred
Rated short-circuit breaking current Rated short-circuit breaking current	kA	forty
Rated short-circuit closing current Rated short-circuit making current	kA	one hundred
Rated peak withstand current Rated peak withstand current	kA	one hundred
Rated short-time withstand current Rated short-time withstand current	kA	forty
Rated short-circuit duration Rated duration of short circuit	S	four
Rated breaking current of a single capacitor bank Rated single capacitor unit breaking current	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current Rated back to back capacitor unit breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage Rated short time power frequency withstand voltage (1min)	kV	forty-two
Circuit resistance under rated contact pressure Circuit resistance at lower limit of rated contact pressure	�̦�	��25
Rated short-circuit breaking current breaking times Rated short circuit breaking current breaking times	time Time	thirty
Rated lightning impulse withstand voltage Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life Mechanical endurance	time Time	ten thousand
Contact self closing force Closing force due to bellow and atmosphere	N	120±50
Contact reaction force at rated opening distance Force required to hold contacts open at full stroke	N	200±50
Allowable wear thickness of contacts Contact-wear allowance thickness	mm	three
Internal gas pressure Internal gas pressure	Pa	��1.33×10��^three
Allow storage period	year Year	twenty

Mechanical parameters for using circuit breakers

project Project	unit Unit	numerical value Value
contact gap Contact stroke	mm	11±1
Contact stroke of contacts Contact travel	mm	3±^one₀
Average closing speed Average closing speed	m/s	0.6±0.2
Average opening speed Average opening speed	m/s	1.1±0.2
Rated contact pressure Rated contact pressure	N	4000±300
Contact closing bounce time Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts Out of simultaneity of contact closing and opening	ms	��2
Rebound amplitude of the opening contact Bouncing back amplitude of opening contact	mm	��2

Ceramic vacuum arc extinguishing chamber for TD-12/2500-40 circuit breaker

[Ceramic arc extinguishing chamber]TD-40.5/1600-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:18:56

Product Overview:

TD-40.5/1600-31.5 vacuum arc extinguishing chamber adopts copper chromium contact material, cup-shaped longitudinal magnetic field structure, stainless steel corrugated tube, ceramic shell and exposed shielding tube. The product has the characteristics of large breaking capacity, good insulation performance, and long mechanical life. Paired with corresponding vacuum circuit breakers, it can be widely used in power systems as a control and protection device for circuits, especially suitable for places with frequent operation.

Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV0	forty point five
rated current	A	one thousand and six hundred
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	ninety-five
Lightning impulse withstand voltage	kV	one hundred and eighty-five
Rated short-circuit breaking current	kA	thirty-one point five
Rated peak withstand current	kA	eighty
Rated short-circuit closing current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	twenty
mechanical life	time	ten thousand
Contact self closing force	N	170±30
Contact reaction force	N	320±30
Circuit resistance at lower limit of rated contact pressure	u��	��30
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	four point one
Quality of vacuum arc extinguishing chamber	kg	twelve point eight

Mechanism characteristics and parameters of vacuum switch equipment for TD-40.5/1600-31.5 vacuum arc extinguishing chamber

parameter item	unit	parameter
contact gap	mm	25±2
Average opening speed	m/s	2.0±0.3
Average closing speed	m/s	0.8±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��3
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD-40.5/1250-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:18:47

Product Overview:

TD-40.5/1250-31.5 vacuum arc extinguishing chamber adopts copper chromium contact material, cup-shaped longitudinal magnetic field structure, stainless steel corrugated tube, ceramic shell and exposed shielding tube. The product has the characteristics of large breaking capacity, good insulation performance, and long mechanical life. Paired with corresponding vacuum circuit breakers, it can be widely used in power systems as a control and protection device for circuits, especially suitable for places with frequent operation.

Main technical parameters of TD-40.5/1250-31.5 vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV0	forty point five
rated current	A	one thousand two hundred and fifty
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	ninety-five
Lightning impulse withstand voltage	kV	one hundred and eighty-five
Rated short-circuit breaking current	kA	thirty-one point five
Rated peak withstand current	kA	eighty
Rated short-circuit closing current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	twenty
mechanical life	time	ten thousand
Contact self closing force	N	170±30
Contact reaction force	N	320±30
Circuit resistance at lower limit of rated contact pressure	u��	��30
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	four point one
Quality of vacuum arc extinguishing chamber	kg	twelve point eight

The mechanism characteristics and parameters of the vacuum switch equipment matched with the product

parameter item	unit	parameter
contact gap	mm	25±2
Average opening speed	m/s	2.0±0.3
Average closing speed	m/s	0.8±2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��3
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Electric operating mechanism]DW17 Electric quick operating mechanism

2026-6-16 14:18:39

DW17 electric quick operation mechanism

[Ceramic arc extinguishing chamber]TD-12/2000-40 Vacuum arc extinguishing chamber

2026-6-16 14:18:38

Overview:
TD-12/2000-40 vacuum arc extinguishing chamber is a miniaturized product, using copper chromium contact material, cup-shaped longitudinal magnetic field structure, and large creepage distance ceramic insulation shell. The product has the characteristics of small size, large breaking capacity, and high insulation level. Paired with corresponding vacuum circuit breakers, it is particularly suitable for power distribution systems and frequently operated places in departments such as electricity, machinery, chemical engineering, metallurgy, and mining.

Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	two thousand
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	forty
Rated peak withstand current	kA	one hundred
Rated short-circuit closing current	kA	one hundred
Rated short-time withstand current	kA	forty
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-180S-HeFen-180S-HeFen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	210±30
Contact reaction force	N	300±70
Circuit resistance at lower limit of rated contact pressure	u��	��15
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	two point two
Quality of vacuum arc extinguishing chamber	kg	six point six

The mechanism characteristics and parameters of the vacuum switch equipment matched with the product

parameter item	unit	parameter
contact gap	mm	11±1
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	5000±300
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD-12/2000-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:18:30

Product Overview:

TD-12/2000-31.5 vacuum arc extinguishing chamber is a miniaturized product, using copper chromium contact material, cup-shaped longitudinal magnetic field structure, and large creepage distance ceramic insulation shell. The product has the characteristics of small size, large breaking capacity, and high insulation level. Matched with corresponding vacuum circuit breakers or vacuum distribution devices, it is particularly suitable for places where circuits are frequently operated in all working conditions of departments such as power, machinery, chemical, metallurgical, mining, etc.

TD-12/2000-31.5 Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	two thousand
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	thirty-one point five
Rated peak withstand current	kA	eighty
Rated short-circuit closing current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3 (0.5) S-HeFen-180S-HeFen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	210±30
Contact reaction force	N	300±70
Circuit resistance at lower limit of rated contact pressure	u��	��15
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	two point two
Quality of vacuum arc extinguishing chamber	kg	six point six

The mechanism characteristics and parameters of the vacuum switch equipment matched with the product

parameter item	unit	parameter
contact gap	mm	11±1
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��1
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD-12/1250-31.5 Vacuum arc extinguishing chamber

2026-6-16 14:18:21

Product Overview:
The TD-12/1250-31.5 vacuum arc extinguishing chamber adopts a corrugated ceramic shell, with copper chromium contacts and a cup-shaped longitudinal magnetic field structure. It has the advantages of large interruption capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The indoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments. Especially suitable for places with frequent operations.

Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	one thousand two hundred and fifty
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	thirty-one point five
Rated peak withstand current	kA	eighty
Rated short-circuit closing current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	fifty
mechanical life	time	ten thousand
Contact self closing force	N	140±50
Contact reaction force	N	230±50
Circuit resistance at lower limit of rated contact pressure	u��	��20
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	one point two six
Quality of vacuum arc extinguishing chamber	kg	four point six five

Mechanism characteristics and parameters of vacuum switch equipment for TD-12/1250-31.5 vacuum arc extinguishing chamber

parameter item	unit	parameter
contact gap	mm	11±
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.85±0.85
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	��3
Non synchronous closing and opening of contacts	ms	��1
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD-12/1250-25, TD-12/1250-25N vacuum arc extinguishing chamber

2026-6-16 14:18:13

Product Overview:

TD-12/1250-25 and TD-12/1250-25N vacuum arc extinguishing chambers are equipped with corrugated ceramic shells, copper chromium contacts, and cup-shaped longitudinal magnetic field structures. It has the advantages of large interruption capacity, high insulation level, strong arc extinguishing ability, long service life, small size, simple maintenance, no explosion hazard, no pollution, and low noise. The indoor vacuum circuit breaker assembled with it is used for control and protection in the transmission and distribution systems of power, machinery, chemical, metallurgical, mining, railway and other departments. Especially suitable for places with frequent operations.

Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	one thousand two hundred and fifty
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	twenty-five
Rated peak withstand current	kA	sixty-three
Rated short-circuit closing current	kA	sixty-three
Rated short-time withstand current	kA	twenty-five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	140±50
Contact reaction force	N	240±50
Circuit resistance at lower limit of rated contact pressure	u��	��25
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	one point one five
Quality of vacuum arc extinguishing chamber	kg	four

Mechanism characteristics and parameters of vacuum switch equipment for TD-12/1250-25 and TD-12/1250-25N vacuum arc extinguishing chambers

parameter item	unit	parameter
contact gap	mm	11±1
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	2500±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD-12/630-20B Vacuum arc extinguishing chamber

2026-6-16 14:18:04

Overview:

TD-12/630-20B vacuum arc extinguishing chamber is a miniaturized product, using copper chromium contact material, cup-shaped longitudinal magnetic field structure, and large creepage distance ceramic insulation shell. The product has the characteristics of small size, large breaking capacity, and high insulation level. Paired with corresponding indoor and outdoor vacuum circuit breakers, it is suitable for accompanying power systems in industrial sectors such as power, machinery, chemical, metallurgical, and mining, especially in places with frequent operations.

Main technical parameters of vacuum arc extinguishing chamber

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	six hundred and thirty
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	twenty
Rated peak withstand current	kA	fifty
Rated short-circuit closing current	kA	fifty
Rated short-time withstand current	kA	twenty
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	140±50
Contact reaction force	N	240±50
Circuit resistance at lower limit of rated contact pressure	u��	��25
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	one point one five
Quality of vacuum arc extinguishing chamber	kg	four

Mechanism characteristics and parameters of vacuum switch equipment for TD-12/630-20B vacuum arc extinguishing chamber

parameter item	unit	parameter
contact gap	mm	11±1
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	2000±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]ZW8 Vacuum arc extinguishing chamber (ZW8 dedicated)

2026-6-16 14:17:56

Overview:
BD-12/630-20, TD-12/630-20W vacuum arc extinguishing chamber (ZW8 specific) is a miniaturized product, using copper chromium contact material, cup-shaped longitudinal magnetic field structure, and glass or ceramic as insulation shell. The product has the characteristics of small size, large breaking capacity, and high pressure resistance. Paired with corresponding outdoor vacuum circuit breakers or vacuum distribution devices, it can be widely used in places where circuits are frequently operated in industrial sectors such as power, machinery, chemical, metallurgical, mining, etc.

BD-12/630-20, TD-12/630-20W vacuum arc extinguishing chamber (ZW8 specific) main technical parameters

parameter item	unit	parameter
rated voltage	kV	twelve
rated current	A	six hundred and thirty
rated frequency	Hz	fifty
Short term (1-minute) power frequency withstand voltage	kV	forty-two
Lightning impulse withstand voltage	kV	seventy-five
Rated short-circuit breaking current	kA	twenty
Rated peak withstand current	kA	fifty
Rated short-circuit closing current	kA	fifty
Rated short-time withstand current	kA	twenty
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated operating sequence		Fen-0.3S-180S-Fen
Rated short-circuit breaking current breaking times	time	thirty
mechanical life	time	ten thousand
Contact self closing force	N	95±35
Contact reaction force	N	215±40
Circuit resistance at lower limit of rated contact pressure	u��	��30
Thickness of allowable wear of contacts	mm	three
Gas pressure inside the vacuum arc extinguishing chamber	Pa	��1×10
Quality of the sports section	kg	one
Quality of vacuum arc extinguishing chamber	kg	three

The mechanism characteristics and parameters of the vacuum switch equipment matched with the product

parameter item	unit	parameter
contact gap	mm	8±
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	2000±200
Contact closing bounce time	ms	��2
Non synchronous closing and opening of contacts	ms	��2
Rebound amplitude of the opening contact	mm	��2

[Ceramic arc extinguishing chamber]TD14A-12/1250-31.5B Vacuum arc extinguishing chamber

2026-6-16 14:17:47

Introduction to TD14A-12/1250-31.5B vacuum arc extinguishing chamber:
Overall Dimension Drawing

parameter name	parameter value	unit
rated voltage	twelve	kV
rated current	one thousand two hundred and fifty	A
rated frequency	fifty	Hz
Short term (1-minute) power frequency withstand voltage	forty-two	kV
Lightning impulse withstand voltage	seventy-five	kV
Rated short-circuit breaking current	thirty-one point five	kA
Rated peak withstand current	eighty	kA
Rated short-circuit closing current	eighty	kA
Rated short-time withstand current	thirty-one point five	kA
Rated short-circuit duration	four	s
Rated breaking current of a single capacitor bank	six hundred and thirty	A
Rated back-to-back capacitor bank breaking current	four hundred	A
Rated operating sequence	O-0.3(0.5)s-CO-180s-CO
Rated short-circuit breaking current times	fifty	time
mechanical life	twenty thousand	time
Contact self closing force	140±50	N
Contact reaction force at rated opening distance	230±50	N
Circuit resistance at lower limit of rated contact pressure	twenty	�̦�
Allowable wear thickness of contacts	three	mm
Gas pressure inside the vacuum arc extinguishing chamber	zero point zero zero one	Pa
Quality of the sports section	one point four	kg
Quality of vacuum arc extinguishing chamber	four point seven	kg
contact gap	11±1	mm
Average opening speed	1.1±0.2	m/s
Average closing speed	0.6±0.2	m/s
Rated contact pressure	3100±200	N
Contact closing bounce time	two	ms
Non synchronous closing and opening of contacts	two	ms
Rebound amplitude of the opening contact	two	mm
outer diameter	one hundred and six	mm
installation height	two hundred and twenty-five	mm
appearance	Umbrella skirt, climbing distance �� 240

[Ceramic arc extinguishing chamber]TD21-40.5/1600-20 Vacuum arc extinguishing chamber

2026-6-16 14:17:39

TD21-40.5/1600-20 vacuum arc extinguishing chamber

Product Introduction:
Overall Dimension Drawing

parameter name	parameter value	unit
rated voltage	forty point five	kV
rated current	one thousand and six hundred	A
rated frequency	fifty	Hz
Short term (1-minute) power frequency withstand voltage	ninety-five	kV
Lightning impulse withstand voltage	one hundred and eighty-five	kV
Rated short-circuit breaking current	twenty	kA
Rated peak withstand current	fifty	kA
Rated short-circuit closing current	fifty	kA
Rated short-time withstand current	twenty	kA
Rated short-circuit duration	four	s
Rated breaking current of a single capacitor bank	six hundred and thirty	A
Rated back-to-back capacitor bank breaking current	four hundred	A
Rated operating sequence	O-0.3s-CO-180s-CO
Rated short-circuit breaking current times	twenty	time
mechanical life	ten thousand	time
Contact self closing force	180±50	N
Contact reaction force at rated opening distance	300±50	N
Circuit resistance at lower limit of rated contact pressure	twenty-five	�̦�
Allowable wear thickness of contacts	three	mm
Gas pressure inside the vacuum arc extinguishing chamber	zero point zero zero one	Pa
Quality of the sports section	three point six seven	kg
Quality of vacuum arc extinguishing chamber	twelve	kg
contact gap	22±2	mm
Average opening speed	1.6±0.2	m/s
Average closing speed	0.6±0.2	m/s
Rated contact pressure	2500±200	N
Contact closing bounce time	two	ms
Non synchronous closing and opening of contacts	two	ms
Rebound amplitude of the opening contact	two	mm
outer diameter	one hundred and thirty-eight	mm
installation height	four hundred and fourteen	mm
appearance	Shielding tube exposed

TD21-40.5/1600-20 vacuum arc extinguishing chamber

[Ceramic arc extinguishing chamber]ZKBF-12/630-20 type vacuum switch tube

2026-6-16 14:17:30

purpose
The ZKBF type vacuum switch tube uses high alumina glass as the insulating shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgical, textile, and high-rise buildings.

This product is equipped with a suitable operating mechanism and can be assembled into an AC high-voltage vacuum load switch, serving as protection and control for electrical facilities. Used for dividing and combining load current, closed-loop current, no-load transformer, and cable charging current.
technical parameters

Rated voltage 12KV	Rated peak withstand current 50KA	Contact resistance under rated contact pressure �� 30 ��
Rated current 630A	Rated short-time withstand time 4S	The allowable wear thickness of the contact is 3mm
Rated active load breaking current 630A	Rated short-circuit closing current 50KA	Storage period of 20 years
Rated closed-loop breaking current 630A	Rated power frequency withstand voltage 42KV	Equipped with load switch FZN21-12D/T630-20 type
Rated cable charging breaking current 10A	Contact self closing force 190 ± 20N
Rated breaking no-load transformer capacity 1250KVA	Contact reaction force at rated torque of 240 ± 24N

External dimensions and installation dimensions:

[Ceramic arc extinguishing chamber]ZKTDW-630/12-20 type vacuum switch tube

2026-6-16 14:17:22

The ZKTD vacuum switch tube adopts high alumina ceramic as the insulation shell, and is covered with high-strength corrugated insulation material on the outside. The tube uses high vacuum as the medium, so it is resistant to high voltage, has strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgy, textile, and high-rise buildings.
This product, equipped with a suitable operating mechanism, can be assembled into an AC circuit breaker, used as a distribution device in three-phase AC power generation and supply systems, and as a centralized control device for electric motors.

technical parameters

Rated working voltage 10KV	Rated short-time withstand time 4S
Rated working current 630A	Rated power frequency withstand voltage 42KV
Rated short-circuit breaking current 20KA	Impulse withstand voltage 75KV
Rated short-circuit breaking frequency 30 times	Contact self closing force 100 ± 10N
Rated closing current (peak) 50KA	Contact reaction force at rated opening distance of 140 ± 14N
Rated current breaking times 1000 times	Rated contact pressure and contact resistance �� 100 ��
Mechanical lifespan of 100 million cycles	Equipped with circuit breaker ZW8-12 type
Rated short-time withstand current 20KA

External dimensions and installation dimensions

[Ceramic arc extinguishing chamber]ZKTD-630/10KV-I,II type ceramic vacuum switch tube

2026-6-16 14:17:13

purpose
The ZKTD ceramic vacuum switch tube adopts high alumina ceramic as the insulation shell, and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industrial sectors such as coal, power, chemical, metallurgy, and petroleum.
This product is equipped with a suitable operating mechanism and can be assembled into an AC circuit breaker for use in power distribution control devices, for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

technical parameters
Rated working voltage 10KV
Rated working current 400, 630A
Rated short-circuit breaking current 12.5KA
Rated short-circuit breaking frequency 16 times
Rated current breaking frequency 3000 times
Mechanical lifespan of 15000 cycles
Rated short-time withstand current 12.5KA
Rated short-time withstand time 4S
Rated power frequency withstand voltage 42KV
Rated opening torque 8 ± 1mm
Contact self closing force 115 ± 11N
Contact reaction force at rated opening moment 140 ± 14N
Contact resistance under rated contact pressure �� 100 ��
Type I is equipped with Jiyuan Circuit Breaker Type A
Type II equipped with Jiyuan Circuit Breaker Type A

External dimensions and installation dimensions

ZKTD-630/10KV-I, II type ceramic vacuum switch tube

[Ceramic arc extinguishing chamber]ZKTD-400(630)/6KV type ceramic vacuum switch tube

2026-6-16 14:17:04

purpose

The ZKTD ceramic vacuum switch tube adopts high alumina ceramic as the insulation shell, and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industrial sectors such as coal, power, chemical, metallurgy, and petroleum.

This product is equipped with a suitable operating mechanism and can be assembled into an AC circuit breaker for use in power distribution control devices, for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

technical parameters

Rated working voltage 6KV
Rated working current 400, 630A
Rated short-circuit breaking current 12.5KA
Rated short-circuit breaking frequency 16 times
Rated current breaking frequency 3000 times
Mechanical lifespan of 15000 cycles
Rated short-time withstand current 12.5KA
Rated short-time withstand time 4S
Rated power frequency withstand voltage 32KV
Rated opening torque 4 ± 0.4mm, contact self closing force 115 ± 11N
Contact reaction force at rated opening moment 140 ± 14N
Contact resistance under rated contact pressure �� 100 ��

External dimensions and installation dimensions

[Ceramic arc extinguishing chamber]ZKTD-630/1140 type ceramic vacuum switch tube

2026-6-16 14:16:56

purpose
The ZKTD-630/1140 ceramic vacuum switch tube uses high alumina ceramic as the insulation shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgy, and petroleum.
This product is equipped with a suitable operating mechanism and can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors. It is used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.
technical parameters
Rated working voltage 1140V; rated working current 630A; rated short-circuit breaking current 12.5KA
Rated short-circuit breaking frequency 16 times; Rated current breaking frequency 3000 times; Mechanical lifespan of 15000 cycles;
Rated short-time withstand current 12.5KA; rated short-time withstand time 4S; rated power frequency withstand voltage 10KV
The rated opening distance of the contact is 4 ± 0.4mm; the self closing force of the contact is 115 ± 11N;
The reaction force at the rated opening distance of the contact is 140 ± 14N;
The contact resistance under the self closing force of the contact is �� 100 �� ;
Equipped with circuit breakers ZK1-630.

ZKTD-630/1140 Ceramic Vacuum Switch Tube Dimensions and Installation Dimensions

[Ceramic arc extinguishing chamber]ZKTD-500/1140 type ceramic vacuum switch tube

2026-6-16 14:16:47

purpose

The ZKTD-500/1140 ceramic vacuum switch tube uses high alumina ceramic as the insulation shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industries such as coal, electricity, chemical, metallurgy, and petroleum.
ZKTD-500/1140 ceramic vacuum switch tube, equipped with a suitable operating mechanism, can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors, used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

technical parameters

Rated working voltage 1140V;	Rated working current 500A;	Rated short-circuit breaking current 9KA
Rated short-circuit breaking frequency 16 times;	Rated current breaking frequency 3000 times;	Mechanical lifespan of 15000 cycles;
Rated short-time withstand current 9KA;	Rated short-time withstand time of 4S;	Rated power frequency withstand voltage 10KV
The rated opening distance of the contact is 4 ± 0.4mm;	Contact self closing force 100 ± 10N;
The reaction force at the rated opening distance of the contact is 140 ± 14N;
The contact resistance under the self closing force of the contact is �� 100 �� ;
Equipped with circuit breaker ZN20-500 type.

External dimensions and installation dimensions

[Ceramic arc extinguishing chamber]ZKTD-400/1140 type ceramic vacuum switch tube

2026-6-16 14:16:39

purpose
ZKTJ and ZKTD ceramic vacuum switch tubes use high alumina ceramics as the insulation shell and high vacuum as the medium inside the tube. Therefore, they have small volume, high voltage resistance, strong breaking ability, long service life, and do not require maintenance of the contacts. Especially due to their advantages of not exposing the arc and being safe and reliable, they are widely used in industries such as coal, electricity, chemical, metallurgy, and petroleum.

This product is equipped with a suitable operating mechanism and can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors. It is used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

Technical parameters of ZKTD-400/1140 ceramic vacuum switch tube

Rated working voltage 1140V;	Rated working current 400A;	Rated short-circuit breaking current 8KA
Rated short-circuit breaking frequency 16 times;	Rated current breaking frequency 3000 times;	Mechanical lifespan of 20000 cycles;
Rated short-time withstand current 8KA;	Rated short-time withstand time of 4S;	Rated power frequency withstand voltage 10KV
The rated opening distance of the contact is 4 ± 0.4mm;	Contact self closing force 115 ± 11N;
The reaction force at the rated opening distance of the contact is 140 ± 14N;
The contact resistance under the self closing force of the contact is �� 100 �� ;
Equipped with circuit breaker ZN7-400 type.

External dimensions and installation dimensions

[Ceramic arc extinguishing chamber]ZKTJ-160-630/10KV( �� type ceramic vacuum switch tube

2026-6-16 14:16:30

purpose
ZKTJ-160-630/10KV (I) ceramic vacuum switch tube adopts high alumina ceramic as the insulation shell and high vacuum as the medium inside the tube. Therefore, it has a small volume, high voltage resistance, strong breaking ability, long service life, and does not require maintenance of the contacts. Especially due to its advantages of not exposing the arc and being safe and reliable, it is widely used in industrial sectors such as coal, power, chemical, metallurgy, and petroleum.
ZKTJ-160-630/10KV (I) ceramic vacuum switch tube, equipped with a suitable operating mechanism, can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors, used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

technical parameters

Rated working voltage 10KV;	Rated working current of 160, 250, 400, 630A;
Rated connection capacity 1.6, 2.5, 4, 6.3KA, 100 times	Rated breaking capacity 1.28, 2, 3.2, 5.04KA, 25 times
Ultimate breaking capacity 160-400A 4.5KA 3 times	Rated short-time withstand current 1.28, 2, 3.2, 5.04KA;
Rated short-circuit duration 10S	Power frequency withstand voltage 32KV;
Electric lifespan 100000 times	Mechanical lifespan of 1 million cycles
The rated opening distance of the contact is 4 ± 0.4mm;	Contact self closing force 85-125N;
The reaction force at the rated opening distance of the contact is 100-130N;	The contact resistance under the self closing force of the contact is less than 120 ��
The allowable wear thickness of the contact is 1mm;	Equipped with contactor CKG3-160-630A/10 type

External dimensions and installation dimensions

ZKTJ-160-630/10KV (��) type ceramic vacuum switch tube

[Ceramic arc extinguishing chamber]ZKTJ-630/6KV( ��) type ceramic vacuum switch tube

2026-6-16 14:16:21

Purpose:
ZKTJ and ZKTD ceramic vacuum switch tubes use high alumina ceramics as the insulation shell and high vacuum as the medium inside the tube. Therefore, they have small volume, high voltage resistance, strong breaking ability, long service life, and do not require maintenance of the contacts. Especially due to their advantages of not exposing the arc and being safe and reliable, they are widely used in industries such as coal, electricity, chemical, metallurgy, and petroleum.
This product is equipped with a suitable operating mechanism and can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors. It is used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

Technical parameters of ZKTJ-630/6KV (II) ceramic vacuum switch tube

Rated working voltage 6KV;	Rated working current 630A;	Rated connection capacity 6.3KA, 100 times
Rated breaking capacity 5.04KA, 3 times;	Rated short-time withstand current 5.04KA;	Rated short-term duration of 4S;
Power frequency withstand voltage 23KV;	Electric lifespan 100000 times	Mechanical lifespan of 1 million cycles;
The rated opening distance of the contact is 3 ± 0.3mm;	Contact self closing force 120 ± 12N;
The reaction force at the rated opening distance of the contact is 130 ± 13N;
The contact resistance under the self closing force of the contact is �� 120 �� ;
The allowable wear thickness of the contact is 1mm;
Equipped with contactor ZN6-600 type.

ZKTJ-630/6KV (II) ceramic vacuum switch tube external dimensions and installation dimensions

[Ceramic arc extinguishing chamber]ZKTJ-160/6KV( ��) type ceramic vacuum switch tube

2026-6-16 14:16:13

ZKTJ and ZKTD ceramic vacuum switch tubes use high alumina ceramics as the insulation shell and high vacuum as the medium inside the tube. Therefore, they have small volume, high voltage resistance, strong breaking ability, long service life, and do not require maintenance of the contacts. Especially due to their advantages of not exposing the arc and being safe and reliable, they are widely used in industries such as coal, electricity, chemical, metallurgy, and petroleum.

This product is equipped with a suitable operating mechanism and can be assembled into high, medium, and low voltage AC circuit breakers or AC contactors. It is used in high, medium, and low voltage distribution control devices for remote connection and disconnection of motors, transformers, capacitor banks, etc. It is particularly suitable for forming explosion-proof magnetic starters.

Technical parameters
Rated working voltage 6KV; rated working current 160A; rated connection capacity 1.6KA, 100 times
Rated breaking capacity of 1.28KA, 25 times; Ultimate breaking capacity of 4.5KA, rated short-time withstand current of 1.28KA for 3 times;
Rated short-circuit duration of 10 seconds; power frequency withstand voltage of 23KV; electrical life of 100000 times
Mechanical lifespan of 1 million cycles; The rated opening distance of the contact is 3 ± 0.3mm; the self closing force of the contact is 85 ± 100N;
The reaction force at the rated opening distance of the contact is 100 ± 10N
The contact resistance under the self closing force of the contact is �� 120 ��
The allowable wear thickness of the contact is 1mm
Equipped with CZG1-160 contactor.

External dimensions and installation dimensions