Shanghai Huabang Industrial Business Network - Vacuum Contactor Switch

[Vacuum Contactor Switch]JCZ6-10J(D)/400-4 High Voltage Vacuum Contactor

2026-6-20 11:01:40

JCZ6-10J (D)/400-4 High Voltage Vacuum Contactor

Product Features
High reliability, long mechanical life, with 300000 cycles for J-type machine; The D-type machine can reach 1 million cycles.
A fully enclosed circuit greatly improves the insulation reliability of the entire machine.
High insulation level, which can match the parameters of high-voltage switchgear.
The control circuit design is innovative, comprehensive, and reliable. The machine is equipped with a closing contactor, and the external circuit is simple.
The communication plan adopts varistor protection for rectifier components. The terminal wiring is convenient, the auxiliary contact capacity is large, and there are 4 open, 4 closed, and 1 switch for external use.
There are mechanical interfaces available for external interlocking.
Do not lubricate again during use, maintenance free.
Beautiful appearance, easy installation, and reasonable craftsmanship.

Technical parameters of JCZ6-10J (D)/400-4 high-voltage vacuum contactor

serial number	Project			Parameters
one	Maximum voltage kV			eleven point five
two	Rated working voltage kV			3 6 10
three	Rated working current A			250 400
four	Rated closing current A			four thousand
five	Rated breaking current A			three thousand and two hundred
six	Maximum breaking current A			four thousand
seven	Rated short-time withstand current A-s			4000-4
eight	Half current allowed current			forty
nine	insulation level	1-minute power frequency withstand voltage kV		forty-two
		Full wave impulse withstand voltage kV		seventy-five
ten	mechanical life	J-type machine 10000 times		thirty
		D-type machine 10000 times		one hundred
eleven	Job Category			AC-3��AC-4
twelve	mechanical properties	Closing time s		<0.15
		Opening time s		<0.05
		Three phase disconnection with different synchronization times m s		��2
thirteen	Rated short-time operating frequency times/h			one thousand and eight hundred
fourteen	Main circuit resistance ��			��250
fifteen	electrical life	AC-3: 10000 times		ten
		AC-4: Ten thousand times		one
sixteen	Vacuum switch tube	model		ZKTJ400/10A
		Vacuum degree Pa		��1.33×10-3
		Storage period		20 years
		Mechanical lifespan of 10000 cycles		one hundred
seventeen	Recommended short-circuit protection appliances			High breaking capacity high-voltage fuse
				WFNHO type (25-200A)
				WFNHO type (225-315A)
eighteen	Rated control power supply	DC220V AC220V	Closing current A	six
			Opening current A	one
			Close and maintain current A	zero point one five
		DC110V DC220V	Closing current A	twelve
			Opening current A	two
			Close and maintain current A	zero point three
nineteen	auxiliary contact	Rated voltage A		two hundred and twenty
		Rated current A		ten
		Maximum control capacity	AC VA	one thousand
			DC W	ninety
twenty	Overall dimensions	D-type machine (width x depth x height) mm		390×330×431
		J-type machine (width x depth x height) mm		390×330×431
twenty-one	Weight kg			forty-eight

JCZ6-10J (D)/400-4 High Voltage Vacuum Contactor

[Vacuum Contactor Switch]JCZ7-7.2D series five stage vacuum contactor

2026-6-20 11:01:32

JCZ7-7.2D series five level vacuum contactor rated parameters

name			unit	numerical value
main electricity flow	Rated working voltage (Ue)		kV	seven point two	twelve
	Rated working current (Ie)		A	160, 250, 400, 630
	Rated frequency (fr)		Hz	50~60
	Rated closing capacity		A	10Ie
	Rated breaking capacity		A	8Ie
	Rated short-time withstand current		A	10Ie
	Rated peak withstand current		A	25Ie
	Rated short-circuit duration		s	four
	Power frequency withstand voltage	relatively	kV	thirty-two	forty-two
		Vacuum fracture	kV	thirty-two	forty-two
	Lightning impulse withstand voltage		kV	sixty	seventy-five
control circuit	Rated voltage (Us)		V	AC or DC. 110/220
	Rated power (Ps) electrical holding		VA	�� 1000/100 (suction/hold)
auxiliary circuit		form		3a+2b
		rated value		AC380V/10A,DC380V/2A
Control circuit and auxiliary circuit withstand power frequency voltage			kV	two
Rated operating frequency		long-term	Times/h	three hundred
		short-term	Times/h	six hundred
mechanical life			ten thousand times	one hundred
electrical life			ten thousand times	20��AC-3��
mechanical characteristic	Closing time		ms	��200
	Inherent opening time		ms	��160
	Three phases in different periods		ms	��3
	Closing bounce		ms	��20
Note: The rated control voltage can also be customized according to user needs.

JCZ7-7.2D series five stage vacuum contactor appearance and installation dimension diagram
JCZ7-7.2D series five stage vacuum contactor

[Vacuum Contactor Switch]JCZ7-7.2B series bipolar high-voltage vacuum contactor 160 250 400 630

2026-6-20 11:01:23

name			unit	numerical value
main electricity road	Rated working voltage (Ue)		kV	seven point two	twelve
	Rated working current (Ie)		A	160, 250, 400, 630
	Rated frequency (fr)		Hz	50~60
	Rated closing capacity		A	10Ie
	Rated breaking capacity		A	8Ie
	Rated short-time withstand current		A	10Ie
	Rated peak withstand current		A	25Ie
	Rated short-circuit duration		s	four
	Power frequency withstand voltage	relatively	kV	thirty-two	forty-two
		Vacuum fracture	kV	thirty-two	forty-two
	Lightning impulse withstand voltage		kV	sixty	seventy-five
control circuit	Rated voltage (Us)		V	AC or DC. 110/220
	Rated power (Ps) electrical holding		VA	�� 1000/100 (suction/hold)
auxiliary circuit		form		3a+2b
		rated value		AC380V/10A,DC380V/2A
Control circuit and auxiliary circuit withstand power frequency voltage			kV	two
Rated operating frequency		long-term	Times/h	three hundred
		short-term	Times/h	six hundred
mechanical life			ten thousand times	one hundred
electrical life			ten thousand times	25��AC-3��
mechanical characteristic	Closing time		ms	��200
	Inherent opening time		ms	��160
	Three phases in different periods		ms	��3
	Closing bounce		ms	��15
Note: The rated control voltage can also be customized according to user needs.

JCZ7-7.2B series bipolar high-voltage vacuum contactor appearance and installation dimension diagram

JCZ7-7.2B series bipolar high-voltage vacuum contactor

[Vacuum Contactor Switch]JCZ7-7.2/12/160/250/400/630(C) series quadrupole vacuum contactor

2026-6-20 11:01:14

name			unit	numerical value
main electricity road	Rated working voltage (Ue)		kV	seven point two	twelve
	Rated working current (Ie)		A	160, 250, 400, 630
	Rated frequency (fr)		Hz	50~60
	Rated closing capacity		A	10Ie
	Rated breaking capacity		A	8Ie
	Rated short-time withstand current		A	10Ie
	Rated peak withstand current		A	25Ie
	Rated short-circuit duration		s	four
	Power frequency withstand voltage	relatively	kV	thirty-two	forty-two
		Vacuum fracture	kV	thirty-two	forty-two
	Lightning impulse withstand voltage		kV	sixty	seventy-five
control circuit	Rated voltage (Us)		V	AC or DC. 110/220
	Rated power (Ps) electrical holding		VA	�� 1000/100 (suction/hold)
auxiliary circuit		form		3a+2b
		rated value		AC380V/10A,DC380V/2A
Control circuit and auxiliary circuit withstand power frequency voltage			kV	two
Rated operating frequency		long-term	Times/h	three hundred
		short-term	Times/h	six hundred
mechanical life			ten thousand times	one hundred
electrical life			ten thousand times	20��AC-3��
mechanical characteristic	Closing time		ms	��200
	Inherent opening time		ms	��160
	Three phases in different periods		ms	��3
	Closing bounce		ms	��20
Note: The rated control voltage can also be customized according to user needs.

JCZ7-7.2/12/160/250/400/630 (C) series quadrupole vacuum contactor

[Vacuum Contactor Switch]JCZ9-3.6/D200-2 Vacuum contactor

2026-6-20 11:01:05

name			unit	numerical value
main electricity road	Rated working voltage (Ue)		kV	three point six
	Rated working current (Ie)		A	two hundred
	Rated frequency (fr)		Hz	50~60
	Rated closing capacity		A	10Ie (AC-4)
	Rated breaking capacity		A	8Ie (AC-4)
	Rated short-time withstand current		A	10Ie
	Rated peak withstand current		A	25Ie
	Rated short-circuit duration		s	four
	Power frequency withstand voltage	Alternating and relative to each other	kV	eighteen
		Vacuum fracture	kV	eighteen
	Lightning impulse withstand voltage		kV	forty
control circuit	Rated voltage (Us)		V	AC or DC. 110/220
	Rated power (Ps) electrical holding		VA	�� 600/50 (suction/hold)
auxiliary circuit		form		3a+3b
		rated value		AC380V/5A,DC380V/1A
Control circuit and auxiliary circuit withstand power frequency voltage			kV	two
Rated operating frequency		long-term	Times/h	three hundred
		short-term	Times/h	six hundred
mechanical life			ten thousand times	one hundred
electrical life			ten thousand times	25��AC-3��,10(AC-4)
mechanical characteristic	Closing time		ms	��200
	Three phases in different periods		ms	��3
	Inherent opening time		ms	��160
	Closing bounce		ms	��10
Note: The rated control voltage can also be customized according to user needs.

JCZ9-3.6/D200-2 vacuum contactor

[Vacuum Contactor Switch]JCZD-12(7.2) series high-voltage single-phase vacuum contactor

2026-6-20 11:00:57

The JCZD-12 (7.2) series high-voltage single-phase vacuum contactor is suitable for indoor power systems with a voltage of 12KV and below, a working current of 630A and below. It has significant characteristics such as strong breaking capacity, long service life, low maintenance, no exposed arc, safety and reliability, small size, light weight, low noise, and can be reliably used in harsh environments and frequent operations. Suitable for fields such as coal, petroleum, chemical, metallurgical, power, machinery, transportation, etc. Can be used for arc extinguishing devices, grounding protection, or to turn on or off other electrical loads.

JCZD-12 (7.2) series high-voltage single-phase vacuum contactor external installation dimensions:

[Vacuum Contactor Switch]JCKZ1-12/630-6.3T single-phase high-voltage fast AC vacuum contactor

2026-6-20 11:00:48

JCKZ1-12/630-6.3T single-phase high-voltage fast AC vacuum contactor

[Vacuum Contactor Switch]JCZP2-12/400-4T single-phase high-voltage AC vacuum contactor (electromagnetic type)

2026-6-20 11:00:40

JCZP2-12/400-4T single-phase high-voltage AC vacuum contactor (electromagnetic type)

[Vacuum Contactor Switch]JCZP3-40.5/630-2.5B single-phase high-altitude AC vacuum contactor

2026-6-20 11:00:31

JCZP3-40.5/630-2.5B single-phase high-altitude AC vacuum contactor

[Vacuum Contactor Switch]High altitude single-phase AC vacuum contactor

2026-6-20 11:00:23

JCZG1-12/630-6.3B High altitude single-phase AC vacuum contactor

1 (Power frequency withstand voltage 65KV)
2 10KV system arc suppression and harmonic suppression cabinet dedicated

[Vacuum Contactor Switch]JCZT3-40.5/630-6.3B single-phase fast vacuum contactor

2026-6-20 11:00:14

JCZT3-40.5/630-6.3B35KV single-phase fast vacuum contactor is specially designed for arc and harmonic suppression cabinets

[Vacuum Contactor Switch]JCKZ9-40.5/630-6.3B Fast single-phase vacuum contactor

2026-6-20 11:00:06

JCKZ9-40.5/630-6.3B Fast Single phase Vacuum Contactor

[Vacuum Contactor Switch]JCZK9-40.5/1600-31.5 single-phase high-capacity high-voltage fast AC vacuum contactor

2026-6-20 10:59:57

JCZK9-40.5/1600-31.5 single-phase high-capacity high-voltage fast AC vacuum contactor

[Vacuum Contactor Switch]JCKZ7-12/400-2.5T Fast single-phase vacuum contactor

2026-6-20 10:59:49

JCKZ7-12/400-2.5T fast single-phase vacuum contactor

[Vacuum Contactor Switch]Three phase integrated (three-phase linked) high-voltage vacuum contactor

2026-6-20 10:59:40

JCZT5-12/630-6.3T three-phase integrated (three-phase linked) high-voltage vacuum contactor

[Vacuum Contactor Switch]JCZT2-12/630-6.3T single-phase high-voltage AC fast vacuum contactor

2026-6-20 10:59:32

JCZT2-12/630-6.3T single-phase high-voltage AC fast vacuum contactor is specially designed for arc extinguishing cabinets

[Vacuum Contactor Switch]Three phase integrated (single-phase action) high-voltage AC fast vacuum contactor

2026-6-20 10:59:23

JCZT7-12/630-6.3T three-phase integrated (single-phase action) high-voltage AC fast vacuum contactor is used in the arc and harmonic suppression device cabinet.

[Vacuum Contactor Switch]JCZKG series 35KV plateau type vacuum contactor

2026-6-20 10:59:15

JCZKG series 35KV plateau type vacuum contactor

[Vacuum Contactor Switch]CKJ5-630/3.6 AC vacuum contactor

2026-6-20 10:59:06

CKJ5-630/3.6 AC vacuum contactor

[Vacuum Contactor Switch]CKJ5-400/3.6KV AC vacuum contactor

2026-6-20 10:58:58

CKJ5-400/3.6KV AC vacuum contactor

[Vacuum Contactor Switch]ZN-600 AC Low Voltage Vacuum Contactor

2026-6-20 10:58:49

The ZN-600 AC low-voltage vacuum contactor is used in a current system with an AC frequency of 50Hz, a rated working voltage of 6KV for the main circuit, and a rated working current of 600A. It is used for remote connection and disconnection of circuits, as well as frequent starting and control of AC motors. And it is suitable for forming a magnetic starter with various protective devices, with the characteristics of not exposing the arc. Especially suitable for forming explosion-proof magnetic starters. Suitable for industries such as coal mining or petroleum.

2. Basic parameters of ZN-600 AC low-voltage vacuum contactor

model	Rated voltage (power frequency) (V)		Rated current (main circuit) (A)	Main contact parameters			Power frequency withstand voltage V (effective value)
model	main circuit	control circuit	Rated current (main circuit) (A)	Opening distance (mm)	Overtravel (mm)	Final pressure (N)	main circuit	auxiliary circuit	control circuit
CZG_two^one-150/6	six thousand	two hundred and twenty	one hundred and fifty	three₀^+0.3	>1.5	>70	twenty-three thousand	two thousand and five hundred	two thousand
CZG_two^one-250/6	six thousand	two hundred and twenty	two hundred and fifty	three^+0.3	>1.5	>100	twenty-three thousand	two thousand and five hundred	two thousand
ZN-600/6	six thousand	two hundred and twenty	six hundred	five₀^+0.5	>1.7	>100	twenty-three thousand	two thousand and five hundred	two thousand

model	Connection capability	Distribution ability	Ultimate breaking current (A)	overload capacity	Electric life cycle AC3	Mechanical lifespan times	quality
CZG_two^one-150/6	10 Ie, 100 times	8 Ie, 25 times	2000,3 times	8 Ie,10s	10×10^four	50×10^four	2.7kg
CZG_two^one-250/6	10 Ie, 100 times	8 Ie, 25 times	4000,3 times	8 Ie,10s	10×10^four	50×10^four	2.7kg
ZN-600/6	10 Ie, 100 times	8 Ie, 25 times	5040,3 times	8 Ie,10s	30×10^four	50×10^four	40kg

[Vacuum Contactor Switch]CKJ-12 series high-voltage vacuum contactor

2026-6-20 10:58:40

Main technical parameters of CKJ-12 series high-voltage vacuum contactor

model	Rated voltage (V)		rated current (Main circuit) A	Rated voltage (V)			Power frequency withstand voltage V (effective value)
model	main circuit	control circuit	rated current (Main circuit) A	Opening distance (mm)	Overtravel (mm)	Final pressure (N)	main circuit	auxiliary circuit	control circuit
CKJ-12/160	twelve thousand	110.220.380	one hundred and sixty	5±0.5	2±0.2	��85	four thousand and two hundred	two thousand and five hundred	two thousand
CKJ-12/250	twelve thousand	110.220.380	two hundred and fifty	5±0.5	2±0.2	��85	four thousand and two hundred	two thousand and five hundred	two thousand
CKJ-12/400	twelve thousand	110.220.380	four hundred	5±0.5	2±0.2	��85	four thousand and two hundred	two thousand and five hundred	two thousand
CKJ-12/630	twelve thousand	110.220.380	six hundred and thirty	5±0.5	2±0.2	��85	four thousand and two hundred	two thousand and five hundred	two thousand

Product Model	connect ability	breaking capacity	Ultimate breaking current (A)	mechanical life (Times)	quality
CKJ-12/160	10le, 100 times	81e, 25 times	10le	100×10	thirty
CKJ-12/250	10le, 100 times	81e, 25 times	10le	100×10	thirty
CKJ-12/400	10le, 100 times	81e, 25 times	10le	100×10	thirty
CKJ-12/630	10le, 100 times	81e, 25 times	10le	100×10	thirty

CKJ-12 series high-voltage vacuum contactor

[Vacuum Contactor Switch]ZN-6-6G Indoor High Voltage Vacuum Contactor

2026-6-20 10:58:32

ZN-6-6G Indoor High Voltage Vacuum Contactor

Main technical parameters of ZN-6-6G indoor high-voltage vacuum contactor

Mechanical characteristics and parameters of vacuum switch equipment for product matching

[Vacuum Contactor Switch]JCZ8A-12 series high-voltage AC vacuum contactor

2026-6-20 10:58:23

JCZ8A-12 series high-voltage AC vacuum contactor

[Vacuum Contactor Switch]JCZ8-160-630/7.2 Switching capacitor vacuum contactor

2026-6-20 10:58:15

JCZ8-160-630/7.2 Switching capacitor vacuum contactor

[Vacuum Contactor Switch]JCZ8-160-630/12 Dedicated vacuum contactor for switching capacitors

2026-6-20 10:58:06

JCZ8-160-630/12 dedicated vacuum contactor for switching capacitors

[Vacuum Contactor Switch]JCZ6-160-630/40.5-D single-phase high-voltage vacuum contactor

2026-6-20 10:57:58

JCZ6-160-630/40.5-D single-phase high-voltage vacuum contactor

[Vacuum Contactor Switch]JCZ6-160-630/40.5 High voltage vacuum contactor

2026-6-20 10:57:49

JCZ6-160-630/40.5 High Voltage Vacuum Contactor

[Vacuum Contactor Switch]JCZR5-12/D160-50 Type AC High Voltage Vacuum Contactor Fuse Combination Electrical Appliance

2026-6-20 10:57:40

The JCZR5 series AC high-voltage vacuum contactor fuse combination device has a rated voltage of 12KV/7.2KV and is an indoor device in a three-phase AC 50Hz distribution system. It can be used to control and protect high-voltage motors of 1200kW and below and transformers of 1600kVA and below in power plants, mines, metallurgy, chemical industries, and other industries. This product has a reasonable structure, high reliability, long electrical life, low maintenance, small size, light weight, and extremely long mechanical life. It is a high-performance, non maintenance combination electrical appliance that can completely replace imported products.

Rated parameters:

name			Numerical value
			JCZ5-12/D400-4	JCZR5-12/D160-50
rated voltage			12kV
Rated insulation level	1-minute power frequency withstand voltage	Alternating and relative to each other	42kV
		fracture	42kV
		Operating mechanism and auxiliary circuit	2.0kV
Lightning impulse withstand voltage (peak) phase to phase and relative to ground			75kV
rated frequency			50Hz
rated current			400A	160A
Maximum rated breaking current (25 times)			3200A
Minimum rated breaking current (25 times)			80A
Maximum breaking current (3 times)			4.0kA
Rated short-time withstand current			4.0kA
Rated short-time withstand current duration			4S
Rated short-circuit breaking current (expected value)			��	50(40)kA
Rated closing current (100 times)			4kA	��
Rated short-circuit closing current			10kA	100 (expected value) kA
Handover current			��	3150A
Half current allowed current			50(40)kA	��
main circuit resistance			��150�̦�	��250�̦�
electrical life	AC��3		25 × 104 times
	AC��4		10 × 104 times
mechanical life	Electricity maintenance		3.0 × 105 times
	Mechanical Maintenance		3.0 × 105 times
Number of operating cycles per hour	Electricity maintenance		300 (1800) times
	Mechanical Maintenance		300 times
Rated closing operation voltage/current			AC��220/3��110/6 V/A
			DC��220/3��110/6 V/A
Close and maintain voltage/current			AC��220/0.16��110/0.32 V/A
			DC��220/0.16��110/0.32 V/A
Rated opening operation voltage/current (only for mechanical maintenance)			AC��220/1.3��110/2.5 V/A
			DC��220/1.3��110/2.5 V/A
auxiliary switch	Connection points	Normally Open	3 (4) pieces
		normally closed	3 of them
	Rated working current	AC	4A
		DC	0.4A

Mechanical characteristic parameters:

Interphase center distance		150±1.5mm
contact gap		6mm
overstroke		1.5±0.5mm
Allowable wear thickness for dynamic and static contacts		3mm
Average closing speed		0.2±0.1m/s
Average opening speed	Electricity maintenance	0.45±0.15m/s
	Mechanical Maintenance	0.45±0.15m/s
Synchronization of three-phase contact closing and opening		��2ms
Contact closing bounce time		��5ms
Closing time		��150ms
Opening time		��50ms
Note: The average closing and opening speeds refer to the average speed within the opening distance of the moving and stationary contacts, and only measure the speed value of phase B.

JCZR5-12/D160-50 AC High Voltage Vacuum Contactor Fuse Combination Electrical Appliance Outline Drawing:

JCZR5-12/D160-50 AC High Voltage Vacuum Contactor Fuse Combination Electrical Appliance

[Vacuum Contactor Switch]CKG4-630/12KV AC vacuum contactor

2026-6-20 10:57:32

Technical parameters of CKG4-630/12KV AC vacuum contactor
rated current	A	six hundred and thirty
rated voltage	kV	twelve
Rated connection capacity	A/50 times	six thousand and three hundred
Rated breaking capacity	A/50 times	five thousand
Ultimate breaking ability	A/3 times	six thousand and three hundred
contact gap	mm	6± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	time	ten^six
electrical life	time	6×10^four
Reference weight	kg	thirty
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-630/12KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-400/12KV AC vacuum contactor

2026-6-20 10:57:23

Technical parameters of CKG4-400/12KV AC vacuum contactor product
rated current	A	four hundred
rated voltage	kV	twelve
Rated connection capacity	A/100 times	four thousand
Rated breaking capacity	A/25 times	three thousand and two hundred
Ultimate breaking ability	A/3 times	five thousand
contact gap	mm	6± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	Times	ten^six
electrical life	Times	6×10^four
Reference weight	kg	thirty
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-400/12KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-250/12KV AC vacuum contactor

2026-6-20 10:57:15

Technical parameters of CKG4-250/12KV AC vacuum contactor
rated current	A	250
rated voltage	kV	twelve
Rated connection capacity	A/100 times	two thousand and five hundred
Rated breaking capacity	A/25 times	two thousand
Ultimate breaking ability	A/3 times	four thousand
contact gap	mm	6.0 ± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	time	one hundred and six
electrical life	time	6×104
Reference weight	kg	thirty
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-250/12KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-160/12KV AC vacuum contactor

2026-6-20 10:57:06

Technical parameters of CKG4-160/12KV AC vacuum contactor
rated current	A	one hundred and sixty
rated voltage	kV	twelve
Rated connection capacity	A/50 times	one thousand and six hundred
Rated breaking capacity	A/50 times	one thousand two hundred and eighty
Ultimate breaking ability	A/3 times	four thousand
contact gap	mm	6± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	Times	ten^six
electrical life	Times	6?0^four
Reference weight	kg	thirty
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-160/12KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-630/7.2KV AC vacuum contactor

2026-6-20 10:56:58

Technical parameters of CKG4-630/7.2KV AC vacuum contactor
rated current	A	six hundred and thirty
rated voltage	kV	seven point two
Rated connection capacity	A/50 times	six thousand and three hundred
Rated breaking capacity	A/50 times	five thousand
Ultimate breaking ability	A/3 times	six thousand and three hundred
contact gap	mm	5± 0.5
overstroke	mm	1.5± 0.2
mechanical life	time	ten^six
electrical life	time	6×10^four
Reference weight	kg	twenty-five
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-630/7.2KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-400/7.2KV AC vacuum contactor

2026-6-20 10:56:49

Technical parameters of CKG4-400/7.2KV AC vacuum contactor
rated current	A	four hundred
rated voltage	kV	seven point two
Rated connection capacity	A/50 times	four thousand
Rated breaking capacity	A/50 times	three thousand and two hundred
Ultimate breaking ability	A/3 times	five thousand
contact gap	mm	5± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	Times	ten^six
electrical life	Times	6×10^four
Reference weight	kg	twenty-five
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-400/7.2KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-250/7.2KV AC vacuum contactor

2026-6-20 10:56:41

Technical parameters of CKG4-250/7.2KV AC vacuum contactor
rated voltage	A	two hundred and fifty
rated voltage	kV	seven point two
Rated connection capacity	A/50 times	two thousand and five hundred
Ultimate breaking ability	A/50 times	two thousand
Ultimate breaking ability	A/3 times	four thousand
contact gap	mm	5.0 ± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	time	ten^six
electrical life	time	6×10^four
Reference weight	kg	twenty-five
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-250/7.2KV AC vacuum contactor

[Vacuum Contactor Switch]CKG4-160/7.2KV AC vacuum contactor

2026-6-20 10:56:32

Technical parameters of CKG4-160/7.2KV AC vacuum contactor
rated current	A	one hundred and sixty
rated voltage	kV	seven point two
Rated connection capacity	A/100 times	one thousand and six hundred
Rated breaking capacity	A/25 times	one thousand two hundred and eighty
Ultimate breaking ability	A/3 times	four thousand
contact gap	mm	5.0 ± 0.5
overstroke	mm	1.5 ± 0.2
mechanical life	time	ten^six
electrical life	time	6×104
Reference weight	kg	twenty-five
Control power supply voltage	V	110, 220 or customized according to user requirements

CKG4-160/7.2KV AC vacuum contactor

[Vacuum Contactor Switch]ZN-6/6G Indoor High Voltage Vacuum Contactor

2026-6-20 10:56:24

Main technical parameters of ZN-6/6G indoor high-voltage vacuum contactor

serial number	parameter name		unit	data
one	working voltage	rated value	KV	six
		maximum		six point nine
two	rated current		A	six hundred
three	Maximum breaking current at rated voltage		A	five thousand
four	Number of breaking times under maximum breaking current		time	thirty
five	4s thermal stability current		A	five thousand
six	Limit passing current		KA	twelve point eight
seven	power factor			0.4 or above
nine	Operating voltage		V	10 220 380
				(110 220)
ten	Operating coil suction current (DC)		A	five
eleven	Operating the coil to maintain current (DC)		A	zero point two two
twelve	mechanical life		ten thousand times	one hundred
thirteen	electrical life		ten thousand times	ten
fourteen	Net weight		Kg	forty

Mechanical characteristics and parameters of vacuum switchgear for ZN-6/6G indoor high-voltage vacuum contactor

serial number	parameter name	unit	data
one	Contact stroke	mm	5��5.5
two	Contact overtravel	mm	1.7��2.3
three	Simultaneous contact of three-phase contacts	mm	��0.2
four	Contact spring pressure	N	��150
five	Negative pressure of vacuum arc extinguishing chamber	N	ninety-eight
six	Resistance of each phase conductive circuit (at 200 hours)	�̦�	��100
seven	Average opening speed	m/s	0.5��0.7
eight	Average closing speed	m/s	0.1��0.25
nine	Inherent opening time (from issuing the opening command to the moment the contact is just opened)	s	zero point one five
ten	Inherent closing time (from issuing the closing command to just closing the contact)	s	zero point two zero

ZN-6/6G indoor high-voltage vacuum contactor

[Vacuum Contactor Switch]JCZ5-12J(D)/630-6.3 High Voltage Vacuum Contactor

2026-6-20 10:56:15

The JCZ5 series high-voltage vacuum contactor is suitable for power, metallurgy, mining, petrochemicals, construction and other departments, as well as power distribution systems in factories and mining enterprises. It is used to control high-voltage motors, transformers and capacitive loads of 12kV, 7.2kV and below, and is particularly suitable for various frequent operation fields. Small in size and light in weight, adopting the internationally popular assembly structure with top and bottom arrangement, easy to use and maintain, and easy to form F-C circuit complete equipment.

JCZ5-12J (D)/630-6.3 High Voltage Vacuum Contactor Parameters:

rated voltage		12kV
rated current		630A
Rated closing current (effective value)		6300A
Rated maximum breaking current		5040A
Rated operating voltage		110/220V.AC
Lightning impulse withstand voltage		75kV
Rated short-time withstand current		6.3kA
Rated short-circuit duration		4s
Rated peak withstand current		16kA
Power frequency withstand voltage between contacts in the open state		42kV
Closing coil attracts current		��DC10/5A
Keep the coil holding current		DC0.6/0.3A
Opening coil tripping current		DC2.5/1.3A
Rated operating frequency		300 times/h
mechanical life		30 × 104 times
electrical life	AC-3	25 × 104 times
	AC-4	10 × 104 times
contact gap		6+1-0.5mm
overrun		1.5±0.5mm
Average closing speed		0.2±0.1m/s
Average opening speed		0.6±0.1m/s
Synchronization of three-phase closing		��2.0ms
Contact bounce time		��5.0ms
Closing time		��150ms
Inherent opening time		��50ms
Resistance of each phase conductive circuit (20 ��)		��250�̦�
Length of contact spring in closed state		36±1mm
weight		About 32kg

Rated working voltage	Agreed heating current A	Service life (times)		Usage category	Rated working current
		mechanical	electricity		communication	direct current
DC 220V	six	��5×106	��2×105	DC11		0.4 A
Communication 380V	six			AC11	4A

JCZ5-12J (D)/630-6.3 High Voltage Vacuum Contactor Outline Drawing:

model

��

installation dimensions

apart

installation dimensions

installation aperture

Busbar aperture

JCZ5- 12kV

three hundred and ninety

five hundred and ten

thirty

four hundred and fifty

one hundred and seventy

one hundred and forty-four

four hundred and fifty

one hundred and sixty-eight

two hundred and twenty-five

one hundred and sixty-one

two hundred and forty

4(5)

nine

thirteen

JCZ5-12J (D)/630-6.3 High Voltage Vacuum Contactor

[Vacuum Contactor Switch]CKGM AC High Voltage Permanent Magnet Vacuum Contactor

2026-6-20 10:56:07

CKGM type AC high-voltage permanent magnet vacuum contactor

[Vacuum Contactor Switch]JCZRA-7.2J(D) series vacuum contactor fuse combination electrical appliance

2026-6-20 10:55:58

JCZRA-7.2J (D) series vacuum contactor fuse combination device

Product Features
1. Mainly used in KYN28A switchgear, with a cabinet width of 650mm. Compared with circuit breaker cabinets, except for changes in cabinet width, contact box, and contact box installation position, all other dimensions remain unchanged.
The position of the main busbar and other dimensions of the cabinet are consistent with the KYN28A circuit breaker cabinet.
2. Simple and reasonable structure, easy to assemble. The high and low voltage circuits are arranged in a front to back manner, and the power transmission adopts a T-shaped lever transmission. The operating power is an electromagnet. The wiring terminal adopts the pull back spring wiring terminal produced by PHOENIX, which is convenient and reliable for wiring. 3. The whole machine has a small volume and light weight; The center distance between phases is 120mm, and the weight is about 25 kilograms. The compact lock design of the mechanical holding vacuum contactor ensures that the external dimensions of the mechanical holding vacuum contactor are consistent with those of the electrical holding vacuum contactor. The maximum external dimensions are: width x height x depth: 360mm x 334mm x 322mm. Currently, the smaller JCZ2 6kV vacuum contactor in China has external dimensions of: width x height x depth 380mm x 296mm x 415mm. The JCZ6 10kV vacuum contactor has external dimensions of: width x height x depth: 390mm x 430mm x 330mm.
4. Fuses are easy to replace.
5. Design a mechanical locking device for the opening position of the vacuum contactor to prevent it from closing incorrectly due to vibration or other external forces. This device enables the vacuum contactor to only perform electric closing and can limit the rebound of opening. 6. The vacuum arc extinguishing chamber is located inside the insulation cylinder and can prevent dust.
7. The operating interface is consistent with the KYN28A circuit breaker cabinet.
8. The interlocking structure is simple, practical, and reliable.
9. The vacuum arc extinguishing chamber is located inside a three pole integrated insulation cylinder, which enables the main circuit insulation cylinder structure to improve the electric field distribution and make it as uniform as possible.

Technical parameters of JCZRA-7.2J (D) series vacuum contactor fuse combination electrical device

serial number	name		unit	parameter
one	rated voltage		kV	seven point two
two	rated current		A	four hundred
three	Maximum breaking current		A	four thousand and five hundred
four	insulation level	1-minute power frequency withstand voltage	kV	thirty-two
		Full wave impulse withstand voltage		sixty
five	mechanical life	J-type machine	ten thousand times	ten
		D-type machine		thirty
six	Job Category			AC-3��AC-4
seven	mechanical properties	Closing time	s	��0.15
		Opening time		��0.04
		Three phase disconnection with different synchronization times		��2
eight	electrical life	">AC-3	ten thousand times	ten
		AC-4		five
nine	Recommended short-circuit protection appliances			High breaking capacity high-voltage current limiting fuse
				XRNM-7.2 Motor Protection
				XRNT-7.2 Transformer Protection
ten	Dimensions (width x depth x height)	D-type machine	mm	360 x 334 x 332
		J-type machine		360 x 334 x 332

JCZRA-7.2J (D) series vacuum contactor fuse combination device

[Vacuum Contactor Switch]JCZA-12J(D)/400-4 AC High Voltage Vacuum Contactor

2026-6-20 10:55:50

Product Features
1. JCZA-12J (D)/400-4 AC high-voltage vacuum contactor is a modular structure with an electrical holding mechanism as the foundation, which can increase the tripping and mechanical protection of the circuit breaker
Closing device;
2. The high and low voltage circuits of the contactor are arranged in a front to back layout, with the main circuit located inside a closed insulation cylinder; 3. The insulation cylinder is made of epoxy resin injected using APEG technology, and its structure is three-phase integrated
4. The drive frame is molded from DMC; The transmission method is equal arm lever transmission;
5. Equipped with a mechanical anti closing device to ensure reliable opening and prevent accidental closing of the contactor. The J-shaped mechanism is equipped with manual opening operation
7. The D-type machine has dual winding coils to keep the current very low
8. Compact structure, beautiful appearance, small size, light weight, and reasonable installation of auxiliary equipment;
9. Can be operated frequently; High reliability, with a mechanical lifespan of 100000 cycles for J-type machines and 300000 cycles for D-type machines; 10. The closing and opening coils adopt a plastic sealed structure;
11. The auxiliary contacts are reliable, reasonable, and have a large capacity, with 6 openings and 5 closures for external use
12. Installation methods: formal, side, and upward installation;

Technical parameters of JCZA-12J (D)/400-4 AC high-voltage vacuum contactor

serial number	name		unit	parameter
one	rated voltage		kV	twelve
two	rated current		A	250��400
three	Rated closing current		A	four thousand
four	Rated breaking current		A	three thousand and two hundred
five	Maximum breaking current		A	four thousand and five hundred
six	Rated short-time withstand current 4s		A	four thousand
seven	Half wave allowable current (instantaneous value)		kA	forty-five
eight	insulation level	1-minute power frequency withstand voltage	kV	forty-two
		Full wave impulse withstand voltage		seventy-five
nine	mechanical life	J-type machine	ten thousand times	ten
		D-type machine		thirty
ten	Job Category			AC-3 AC-4
eleven	Rated working system			Long term work system
twelve	electrical life	AC-3	ten thousand times	ten
		AC-4		five
thirteen	Dimensions (width x depth x height)		mm	360 x 334 x 322

JCZA-12J (D)/400-4 AC High Voltage Vacuum Contactor

[Vacuum Contactor Switch]JCZ5-3.6KV series AC vacuum contactor

2026-6-20 10:55:41

The JCZ5 series AC vacuum contactor is suitable for three-phase indoor electrical systems with AC 50HZ-60HZ, rated working voltages of 3.6KV, 7.2KV, 12KV, and rated working currents of 200A, 400A, 630A. It can directly or remotely operate electrical equipment such as motors, transformers, and capacitive loads frequently.

JCZ5D (J)/series AC vacuum contactors have two modes of electrical and mechanical holding, with a control voltage of AC or DC110V/220V.

The main feature of the JCZ5 series AC vacuum contactor is the use of an integral frame structure, which has significant characteristics such as stable performance, reliable use, compact structure, and small volume. It is an ideal switchgear for voltage levels of 3.6KV, 7.2KV, and 12KV.

[Vacuum Contactor Switch]JCZR5-7.2/D315-50 type vacuum contactor fuse combination electrical device

2026-6-20 10:55:33

name			Numerical value
			JCZ5-7.2/D315-4	JCZR5-7.2/D315-50
rated voltage			7.2kV
Rated insulation level	1-minute power frequency withstand voltage	Alternating and relative to each other	32kV
		fracture	32kV
		Operating mechanism and auxiliary circuit	2.0kV
Lightning impulse withstand voltage (peak) phase to phase and relative to ground			60kV
rated frequency			50Hz
rated current			400A	315A
Maximum rated breaking current (25 times)			3200A
Minimum rated breaking current (25 times)			80A
Maximum breaking current (3 times)			4.0kA
Rated short-time withstand current			4.0kA
Rated short-time withstand current duration			4S
Rated short-circuit breaking current (expected value)			��	50(40)kA
Rated closing current (100 times)			4kA	��
Rated short-circuit closing current			10kA	100 (expected value) kA
Handover current			��	3150A
Half current allowed current			50(40)kA	��
main circuit resistance			��150�̦�	��250�̦�
electrical life	AC��3		25 × 104 times
	AC��4		10 × 104 times
mechanical life	Electricity maintenance		3.0 × 105 times
	Mechanical Maintenance		3.0 × 105 times
Number of operating cycles per hour	Electricity maintenance		300 (1800) times
	Mechanical Maintenance		300 times
Rated closing operation voltage/current			AC��220/3��110/6 V/A
			DC��220/3��110/6 V/A
Close and maintain voltage/current			AC��220/0.16��110/0.32 V/A
			DC��220/0.16��110/0.32 V/A
Rated opening operation voltage/current (only for mechanical maintenance)			AC��220/1.3��110/2.5 V/A
			DC��220/1.3��110/2.5 V/A
auxiliary switch	Connection points	Normally Open	3 (4) pieces
		normally closed	3 of them
	Rated working current	AC	4A
		DC	0.4A

Mechanical characteristic parameters of JCZR5-7.2/D315-50 vacuum contactor fuse combination device:

Interphase center distance		150±1.5mm
contact gap		4.5mm
overstroke		1.5±0.5mm
Allowable wear thickness for dynamic and static contacts		3mm
Average closing speed		0.15±0.05m/s
Average opening speed	Electricity maintenance	0.5±0.15m/s
	Mechanical Maintenance	0.5±0.15m/s
Synchronization of three-phase contact closing and opening		��2ms
Contact closing bounce time		��5ms
Closing time		��150ms
Opening time		��50ms
Note: The average closing and opening speeds refer to the average speed within the opening distance of the moving and stationary contacts, and only measure the speed value of phase B.

JCZR5-7.2/D315-50 vacuum contactor fuse combination electrical appearance diagram:

JCZR5-7.2/D315-50 vacuum contactor fuse combination device

[Vacuum Contactor Switch]JCZ8 series high-voltage permanent magnet vacuum contactor

2026-6-20 10:55:25

		CKG3(4).JCZ8- 160/7.2(12)KV	CKG3(4).JCZ8- 250/7.2(12)KV	CKG3(4).JCZ8- 400/7.2(12)KV	CKG3(4).JCZ8-630/7.2(12)KV
Rated voltage of main circuit (KV)		7.2(12)	7.2(12)	7.2(12)	7.2(12)
Rated current of main circuit (A)		one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Main circuit closing capability (A/100 times)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Main circuit on/off capability (A/25 times)		one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)		three thousand and two hundred	four thousand	four thousand and five hundred	six thousand and three hundred
Mechanical Help Life (10000 times)		one hundred	one hundred	one hundred	one hundred
power frequency Withstand Voltage Test	Main circuit withstand voltage (fracture) KV	32 (42)	32 (42)	32 (42)	32 (42)
	Same thing. Phase one ground KV	32 (42)	32 (42)	32 (42)	32 (42)
	Lightning impulse withstand voltage KV	60 (75)	60 (75)	60 (75)	60 (75)
	Control circuit KV	two	two	two	two
100 �� rated voltage	Closing time in milliseconds	3 0 ± 5	3 0 ± 5	3 0 ± 5	3 0 ± 5
	Opening time ms	20 ± 5	20 ± 5	20 ± 5	20 ± 5
	Closing bounce time ms	�� 3	�� 3	�� 3	�� 3
	Opening bounce time ms	�� 1	�� 1	�� 1	�� 1
Zhongrui Pressure (N)		�� 180	�� 180	�� 180	�� 180
Contact opening distance (mm)		6 (7) ±	6 (7) ±	6 (7) ±	6 (7) ±
Overtravel (mm)		2 ± 0.5	2 ± 0.5	2 ± 0.5	2 ± 0.5
Main circuit resistance���� )		�� 100	�� 100	�� 100	�� 100

JCZ8 series high-voltage permanent magnet vacuum contactor

[Vacuum Contactor Switch]CKJ11 series horizontal vacuum contactor

2026-6-20 10:55:16

CKJ11-80, The 125160 (horizontal) AC low-voltage vacuum contactor is used in current systems with AC 50HZ, main circuit rated working voltage up to 1140V, and rated working current up to 160A, for remote connection and disconnection of circuits and frequent starting and control of AC motors. And it is suitable for forming a magnetic starter with various protective devices, with the characteristics of not exposing the arc. Especially suitable for forming explosion-proof magnetic starters. Suitable for industries such as coal mining or petroleum.

2. Main technical parameters

model	Rated voltage (power frequency) (V)		Rated current (A)	Main contact parameters
model	main circuit	control circuit	Rated current (A)	Opening distance (mm)	Overtravel (mm)	Final pressure (mm)
CKJ��-125/1140	one thousand one hundred and forty	36,127,220,380	one hundred and twenty-five	1.8±0.2	1±0.2	45±5

model	Connection capability	Distribution ability	Ultimate breaking current	Number of electrical life cycles		mechanical life	quality
CKJ��-125/1140	10Ie, 100 times	8Ie, 25 times	2000,3 times	AC3	AC4	300×10^four	3.8kg
				60×10^four	6×10

3. Appearance and installation dimensions

CKJ11 series horizontal vacuum contactor

[Vacuum Contactor Switch]JCZ5M High voltage permanent magnet vacuum contactor

2026-6-20 10:55:08

JCZ5M High Voltage Permanent Magnet Vacuum Contactor

[Vacuum Contactor Switch]VFC-12 Indoor high-voltage vacuum contactor fuse combination electrical device

2026-6-20 10:54:59

VFC-12 Indoor High Voltage Vacuum Contactor Fuse Combination Electrical Appliance

[Vacuum Contactor Switch]JCZ5-12KV Mechanical Lock Series Vacuum Contactor

2026-6-20 10:54:49

JCZ5-12KV Mechanical Lock Series Vacuum Contactor

		JCZ5-12J/D160-1.6(T)	JCZ5-12J/D250-2.5(T)	JCZ5-12J/D400-4(T)	JCZ5-12J/D630-6.3(T)
Rated working voltage (KV)		twelve	twelve	twelve	twelve
Rated working current (A)		one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity		one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand and forty
Ultimate Breaking Capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Operating frequency (times/hour)	long-term	one hundred and twenty	one hundred and twenty	one hundred and twenty	one hundred and twenty
Operating frequency (times/hour)	short-term	three hundred and sixty	three hundred and sixty	three hundred and sixty	three hundred and sixty
Electrical lifespan (10000 cycles)	AC3	twenty	twenty	twenty	twenty
Electrical lifespan (10000 cycles)	AC4	six	six	six	six
Mechanical lifespan (10000 cycles)		one hundred	one hundred	one hundred	one hundred
Control voltage (V)		110, 220, 380 or customized
Dimensions L × B × H (mm)		510×250×450	510×250×450	510×250×450	510×250×450
Installation size L × H (mm)		390×162	390×162	390×162	390×162
Weight (kg)		forty	forty	forty	forty

·Note: The working voltage of the control circuit can also be customized according to user needs

JCZ5-12KV Mechanical Lock Series Vacuum Contactor

[Vacuum Contactor Switch]JCZ5-12KV Electric Holding Series Vacuum Contactor

2026-6-20 10:54:41

		JCZ5-12/D160-1.6(T)	JCZ5-12/D250-2.5(T)	JCZ5-12/D400-4(T)	JCZ5-12/D630-6.3(T)
Rated working voltage (KV)		twelve	twelve	twelve	twelve
Rated working current (A)		one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity		one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand and forty
Ultimate Breaking Capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Operating frequency (times/hour)	long-term	one hundred and twenty	one hundred and twenty	one hundred and twenty	one hundred and twenty
Operating frequency (times/hour)	short-term	three hundred and sixty	three hundred and sixty	three hundred and sixty	three hundred and sixty
Electrical lifespan (10000 cycles)	AC3	twenty	twenty	twenty	twenty
Electrical lifespan (10000 cycles)	AC4	six	six	six	six
Mechanical lifespan (10000 cycles)		one hundred	one hundred	one hundred	one hundred
Control voltage (V)		110, 220, 380 or customized
Dimensions L × B × H (mm)		510×250×450	510×250×450	510×250×450	510×250×450
Installation size L × H (mm)		390×162	390×162	390×162	390×162
Weight (kg)		forty	forty	forty	forty

·Note: The working voltage of the control circuit can also be customized according to user needs

JCZ5-12KV Electric Holding Series Vacuum Contactor

[Vacuum Contactor Switch]JCZ5-7.2KV Electric Holding Series Vacuum Contactor

2026-6-20 10:54:32

JCZ5-7.2KV electric holding series vacuum contactor

		JCZ5-7.2/D160-1.6(T)	JCZ5-7.2/D250-2.5(T)	JCZ5-7.2/D400-2.5(T)	JCZ5-7.2/D630-6.3(T)
Rated working voltage (KV)		seven point two	seven point two	seven point two	seven point two
Rated working current (A)		one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity		one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand and forty
Ultimate Breaking Capacity (A)		one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Operating frequency (times/hour)	long-term	one hundred and twenty	one hundred and twenty	one hundred and twenty	one hundred and twenty
Operating frequency (times/hour)	short-term	three hundred and sixty	three hundred and sixty	three hundred and sixty	three hundred and sixty
Electrical lifespan (10000 cycles)	AC3	twenty	twenty	twenty	twenty
Electrical lifespan (10000 cycles)	AC4	six	six	six	six
Mechanical lifespan (10000 cycles)		one hundred	one hundred	one hundred	one hundred
Control voltage (V)		110, 220, 380 or customized
Dimensions L × B × H (mm)		430×240×400	430×240×400	430×240×400	430×240×400
Installation size L × H (mm)		310×162	310×162	310×162	310×162
Weight (kg)		thirty-five	thirty-five	thirty-five	thirty-five

JCZ5-7.2KV electric holding series vacuum contactor

[Vacuum Contactor Switch]CKG3-160-630A/10KV AC vacuum contactor

2026-6-20 10:54:24

The CKG3-160-630 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage up to 10KV, and rated current up to 600A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of CKG3-160-630A/10KV AC vacuum contactor

Models CKG3-160, 250, 400, 630;
Level: 3
Rated voltage 10 (KV)
Rated currents of 160, 250, 400, 630A
&Control voltage 110-127-220-380 (V)
Main circuit connection capacity 1.6, 2.5, 4, 6.3 KA 100 times
Main circuit breaking capacity 1.28, 2, 3.2, 5.04KA 25 times
Extreme breaking 160-400A 4500A 3 times
Electrical lifespan of 100000 cycles
Mechanical lifespan of 100 (10000 cycles)
Installation size 419 × 100 (four holes)

CKG3-160-630A/10KV AC vacuum contactor external dimensions and installation dimensions:

CKG3-160-630A/10KV AC vacuum contactor

[Vacuum Contactor Switch]CKG3-630A/6KV AC vacuum contactor

2026-6-20 10:54:15

The CKG3-630 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage up to 6KV, and rated current up to 630A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of CKG3-630A/6KV AC vacuum contactor
Model CKG3-630/6;
Level: 3
Rated voltage 6 (KV)
Rated current 630 (A)
Control voltage 110-127-220-380 (V)
Main circuit connection capacity 6.3KA 100 times
Main circuit breaking capacity 5.04KA 25 times
Electrical lifespan of 100000 cycles
Mechanical lifespan of 100 (10000 cycles)
Installation size 419 × 100 (four holes)

CKG3-630A/6KV AC vacuum contactor external dimensions and installation dimensions:

CKG3-630A/6KV AC vacuum contactor

[Vacuum Contactor Switch]CKG3-160-400A/6KV series AC vacuum contactor

2026-6-20 10:54:07

The CKG3-160-400 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage up to 6KV, and rated current up to 400A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of CKG3-160-400A/6KV series AC vacuum contactor
Models CKCKG3-160, 250, 400;
Level: 3
Rated voltage 6 (KV)
Rated current 160, 250, 400 (A)
Control voltage 110-127-220-380 (V)
Main circuit connection capacity 1.6, 2.5, 4KA 100 times
Main circuit breaking capacity 1.28, 2, 3.2KA 25 times
Extreme breaking 4500A 3 times
Electric lifespan of 10 million cycles
Mechanical lifespan of 100 (10000 cycles)
Installation size 378 × 100 (four holes)

CKG3-160-400A/6KV series AC vacuum contactor external dimensions and installation dimensions:

CKG3-160-400A/6KV series AC vacuum contactor

[Vacuum Contactor Switch]CJZ-300 AC vacuum contactor

2026-6-20 10:53:58

The CJZ-300 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage of 1140V, and rated current up to 300A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of CJZ-300 AC vacuum contactor
Model CJZ-300;
Level: 3
Rated voltage 1140 (V)
Rated current 300 (A)
Control voltage 36-110-127-220-380 (V)
Main circuit connection capacity 3000A 100 times
Main circuit breaking capacity 2400A 25 times
Extreme breaking 4500A 3 times
Electrical lifespan AC4 6 (10000 cycles)
Mechanical lifespan of 3 million cycles
Installation size 178 × 125 (four holes)

External dimensions and installation dimensions of CJZ-300 AC vacuum contactor:

CJZ-300 AC Vacuum Contactor

[Vacuum Contactor Switch]CJZ-200 AC vacuum contactor

2026-6-20 10:53:50

The CJZ-200 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage of 1140V, rated current up to 1140V, and rated current up to 200A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for cooperation with various devices and can be assembled into explosion-proof electromagnetic starting machines

Technical parameters of CJZ-200 AC vacuum contactor
Model CJZ-200;
Level: 3
Rated electrical pressure 1140 (V)
Rated current 200 (A)
Control voltage 36-110-127-220-380 (V)
Main circuit connection capacity 2000A 100 times
Main circuit breaking capacity 1600A 25 times
Extreme breaking 4500A 3 times
Electrical lifespan AC4 6 (10000 cycles)
Mechanical lifespan of 3 million cycles
Installation size 145 × 165 (four holes)

External dimensions and installation dimensions of CJZ-200 AC vacuum contactor:

CJZ-200 AC Vacuum Contactor

[Vacuum Contactor Switch]ZN6-600 AC vacuum contactor

2026-6-20 10:53:41

The ZN6-600 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage up to 6KV, and rated current up to 600A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of ZN6-600 AC vacuum contactor

Model ZN6-600;
Level: 3
Rated voltage 6 (KV)
Rated current 600 (A)
Control voltage 110-127-220-380 (V)
Main circuit connection capacity 6KA 100 times
Main circuit breaking capacity 4.8KA 25 times
Limit breaking 5000 times 3 times
Electrical lifespan of 100000 cycles
Mechanical lifespan of 100 (10000 cycles)
Installation size 340 × 268 (four holes)

External dimensions and installation dimensions

ZN6-600 AC vacuum contactor

[Vacuum Contactor Switch]CZG1-160 AC vacuum contactor

2026-6-20 10:53:33

The CZG1-160 AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage up to 6KV, and rated current up to 160A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors. It is also suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

Technical parameters of CZG1-160 AC vacuum contactor
Model CZG1-160;
Level: 3
Rated voltage 6 (KV)
Rated current 160 (A)
Control voltage 110-127-220-380 (V)
Main circuit connection capacity 1.6KA 100 times
Main circuit breaking capacity 1.28KA 25 times
Extreme breaking 4500 times 3 times
Electrical lifespan of 100000 cycles
Mechanical lifespan of 100 (10000 cycles)
Installation size 505 × 100 (four holes)

Dimensions and installation dimensions of CZG1-160 AC vacuum contactor

CZG1-160 AC Vacuum Contactor

[Vacuum Contactor Switch]VS317,507 AC vacuum contactor

2026-6-20 10:53:25

VS317�� The 507 type AC vacuum contactor is suitable for feeding networks with AC 50HZ, rated voltage of 1140V, and rated current up to 500A. It is used for remote connection and disconnection of circuits, as well as frequent starting and stopping of AC motors, and is suitable for assembly with various devices to form explosion-proof electromagnetic starting machines

VS317, Technical parameters of 507 type AC vacuum contactor
Model VS317, 507;
Level: 3
Rated voltage 1140 (V)
Rated current 315, 500A (A)
Control voltage 110-220 (V)
Main circuit connection capacity 3.15-5KA 100 times
Main circuit breaking capacity 2.52-4KA 25 times
Limit breaking 5000A 3 times
Electrical lifespan AC410 (10000 cycles)
Mechanical lifespan of 3 million cycles
Installation size 230 × 75 (four holes)

VS317, Dimensions and installation dimensions of 507 type AC vacuum contactor

VS317�� 507 type AC vacuum contactor

[Vacuum Contactor Switch]LHJCZR2 series F-C vacuum contactor

2026-6-20 10:53:16

serial number	name					unit	numerical value
one	rated voltage					kV	seven point two	twelve
two	Rated current of composite electrical appliances					A	�� 315, depending on fuse �� 200, depending on fuse
three	Rated current of vacuum contactor					A	four hundred
four	rated frequency					Hz	50/60
five	Rated insulation level	1mi power frequency withstand voltage		Alternating and relative to each other		kV	thirty-two	forty-two
				Vacuum fracture		kV	thirty-two	forty-two
				Operating mechanism and auxiliary circuit to ground		kV	two
		Lightning impulse withstand voltage (peak value)		Alternating and relative to each other		kV	sixty	seventy-five
				Vacuum fracture		kV	sixty	seventy-five
six	Rated connection capacity (100 times)					kA	six point three
seven	Rated breaking capacity (25 times)					kA	five
eight	Ultimate breaking ability (3 times)					kA	six point three
nine	Rated short-time withstand current and its duration					kA/s	6.3/4
ten	Rated peak withstand current (1/2 cycle)					kA	forty
eleven	Rated short-circuit breaking current (expected value)					kA	�� 40, depending on the fuse
twelve	Handover current					A	three thousand one hundred and fifty
thirteen	main circuit resistance					�̦�	��250
fourteen	mechanical life		Electricity maintenance			ten thousand times	one hundred
			Mechanical Maintenance				thirty
fifteen	operating power supply		Rated voltage*			V	a.c.220/d.c.220
			mechanical maintain		Closing coil current	A	��6
					Opening coil current	A	��2
			electricity maintain		Closing current	A	��5
					Maintain current	A	��0.5

*Note: The rated operating power supply voltage can be customized according to user needs.

LHJCZR2 series F-C vacuum contactor

[Vacuum Contactor Switch]LHJCZR1-7.2JY/D315-40TM type F-C vacuum contactor

2026-6-20 10:53:08

serial number	name				unit	numerical value
one	rated voltage				kV	seven point two
two	Rated current of composite electrical appliances				A	�� 315, depending on the fuse
three	Rated current of vacuum contactor				A	four hundred
four	rated frequency				Hz	50/60
five	Rated insulation level	1mi power frequency withstand voltage		Alternating and relative to each other	kV	thirty-two
				Vacuum fracture	kV	thirty-two
				Operating mechanism and auxiliary circuit to ground	kV	two
		Lightning impulse withstand voltage (peak value)		Alternating and relative to each other	kV	sixty
		Lightning impulse withstand voltage (peak value)		Vacuum fracture	kV	sixty
six	Rated connection capacity (100 times)				kA	four
seven	Rated breaking capacity (25 times)				kA	three point two
eight	Ultimate breaking ability (3 times)				kA	four
nine	Rated short-time withstand current and its duration				kA/s	4/4
ten	Rated peak withstand current (1/2 cycle)				kA	forty
eleven	Rated short-circuit breaking current (expected value)				kA	�� 40, depending on the fuse
twelve	Handover current				A	three thousand one hundred and fifty
thirteen	main circuit resistance				�̦�	�� 250 (excluding fuse resistance)
fourteen	mechanical life		Mechanical Maintenance		ten thousand times	thirty
fifteen	operating power supply		Rated voltage*		V	d.c.220
			Closing coil current		A	��3.5
			Opening coil current		A	��3.5

Note: The rated operating power supply voltage can be customized according to user needs

LHJCZR1-7.2JY/D315-40TM F-C vacuum contactor

[Vacuum Contactor Switch]JCZ3-40.5/D160-6.3 Vacuum contactor

2026-6-20 10:52:59

JCZ3-40.5/D160-6.3 vacuum contactor

[Vacuum Contactor Switch]CZG1,CZG2 AC High Voltage Vacuum Contactor

2026-6-20 10:52:51

CZG1-150250A AC low-voltage vacuum contactor is used in current systems with AC 50HZ, rated working voltage of the main circuit up to 6KV, and rated working current up to 250A, for remote connection and disconnection of circuits and frequent starting and control of AC motors. And it is suitable for forming a magnetic starter with various protective devices, with the characteristics of not exposing the arc. Especially suitable for forming explosion-proof magnetic starters. Suitable for industries such as coal mining or petroleum.

Basic parameters of CZG1 and CZG2 AC high-voltage vacuum contactors

model	Rated voltage (power frequency) (V)		Rated current (main circuit) (A)	Main contact parameters			Power frequency withstand voltage V (effective value)
model	main circuit	control circuit	Rated current (main circuit) (A)	Opening distance (mm)	Overtravel (mm)	Final pressure (N)	main circuit	auxiliary circuit	control circuit
CZG1,2-150/6	six thousand	two hundred and twenty	one hundred and fifty	30+0.3	>1.5	>70	twenty-three thousand	two thousand and five hundred	two thousand
CZG1,2-250/6	six thousand	two hundred and twenty	two hundred and fifty	3+0.3	>1.5	>100	twenty-three thousand	two thousand and five hundred	two thousand

model	Connection capability	Distribution ability	Ultimate breaking current (A)	overload capacity	Electric life cycle AC3	Mechanical lifespan times	quality
CZG1,2-150/6	10 Ie, 100 times	8 Ie, 25 times	2000,3 times	8 Ie,10s	10×104	50×104	2.7kg
CZG1,2-250/6	10 Ie, 100 times	8 Ie, 25 times	4000,3 times	8 Ie,10s	10×104	50×104	2.7kg

3. Appearance and installation dimensions of CZG1 and CZG2 AC high-voltage vacuum contactors

CZG1, CZG2 AC High Voltage Vacuum Contactors

[Vacuum Contactor Switch]ZN-6 AC High Voltage Vacuum Contactor

2026-6-20 10:52:42

ZN-6 AC High Voltage Vacuum Contactor

[Vacuum Contactor Switch]JCZ1-40.5/D160-6.3 type vacuum contactor

2026-6-20 10:52:34

JCZ1-40.5/D160-6.3 vacuum contactor

[Vacuum Contactor Switch]LHJCZ3-3.6kV/630-6.3 Vacuum contactor

2026-6-20 10:52:25

LHJCZ3-3.6kV/630-6.3 vacuum contactor

[Vacuum Contactor Switch]JCZ8-3.6KV series vacuum contactor

2026-6-20 10:52:17

JCZ8-3.6KV series vacuum contactor

name			unit	parameter
main electricity road	Rated working voltage (Ue)		kV	three point six
	Rated working current (Ie)		A	160��200��250��400
	rated frequency		Hz	50/60
	Rated heating current (Ith)		A	160��200��250��400
	Rated connection capacity (I)		A	10Ie
	Rated breaking capacity (Ic)		A	8Ie
	Ultimate breaking ability		A	10Ie
	Rated short-time withstand current and its duration		A/s	10Ie/4
	Rated peak withstand current (1/2 cycle)		A	25 Ie
control manufacture electricity road	Rated voltage (Us)		V	AC.220
	Rated power (Ps)	Electricity maintenance	VA	�� 800/100 (suction/hold)
auxiliary circuit		form		3a��3b
		rated value		220V/AC.5A or DC.1A
Rated operating frequency		long-term	Times/h	three hundred
		short-term		six hundred
Mechanical lifespan 2			ten thousand times	one hundred
electrical life			ten thousand times	25(AC-3); 10(AC-4)

Technical requirements			unit	parameter
power frequency tolerance voltage	main circuit	Interphase and relative ground	kV	eighteen
		Between vacuum fracture surfaces	kV	eighteen
	Secondary circuit to ground		kV	2 (excluding semiconductors and resistive capacitive components)
mechanical characteristic	Closing time		ms	��200
	Inherent opening time		ms	��160
	Three phases in different periods		ms	��3
	Closing bounce		ms	��10

JCZ8-3.6KV series vacuum contactor

[Vacuum Contactor Switch]JCZ9-3.6/D400-4T Vacuum contactor

2026-6-20 10:52:08

JCZ9-3.6/D400-4T vacuum contactor

[Vacuum Contactor Switch]JCZ2-6J(D)/400-4 Vacuum contactor

2026-6-20 10:52:00

JCZ2-6J (D)/400-4 vacuum contactor product features:
1. Can be operated frequently
2. High reliability, long mechanical life, J-type machine can withstand 100000 cycles; The D-type machine can reach 1 million cycles.
3. Small size, good structural performance.
4. High insulation level, which can match the parameters of high-voltage switchgear.
5. The control circuit design is innovative, comprehensive, and reliable. The machine is equipped with a closing contactor, and the external circuit is simple.
6. The communication plan adopts varistor protection for rectifier components. Meets the requirement of 100 mechanical lifetimes. The terminal wiring is convenient. The auxiliary contact has a large capacity and can switch between 4 open, 4 closed, and 1 external switch.
7. Equipped with counters, opening and closing plates, and anti interlock devices.
8. Do not lubricate again during use, maintenance free.
9. Beautiful appearance, easy installation, and reasonable craftsmanship.

JCZ2-6J (D)/400-4 vacuum contactor technical parameters:

serial number	name			unit	parameter
one	maximum voltage			kV	seven point two
two	Rated working voltage			kV	3��6
three	Rated working current			A	250��400
four	Rated closing current			A	four thousand
five	Rated breaking current			A	three thousand and two hundred
six	Maximum breaking current			A	four thousand and five hundred
seven	Rated short-time withstand current			A-s	4000-4
eight	Half current allowable current (instantaneous value)			kA	forty
nine	insulation level		1-minute power frequency withstand voltage	kV	thirty-two
			Full wave impulse withstand voltage		sixty
ten	mechanical life		J-type machine	ten thousand times	ten
			D-type machine		one hundred
eleven	Job Category				AC-3��AC-4
twelve	mechanical properties		Closing time	s	<0.15
			Opening time	s	<0.05
			Three phase disconnection with different synchronization times	m-s	��2
thirteen	Rated short-time operating frequency			Times/h	one thousand and eight hundred
fourteen	Main circuit resistor			�̦�	��200
fifteen	electrical life		AC-3	ten thousand times	five
			AC-4		one
sixteen	Vacuum switch tube		model		TJ201A
			degree of vacuum	Pa	��1.33×10^-3
			Storage period		20 years
			mechanical life	ten thousand times	one hundred
seventeen	Recommended short-circuit protection appliances				High breaking capacity high-voltage fuse
					WFNHO type (25-200A)
					WFNHO type (225-315A)
eighteen	Rated control power supply	DC220V AC220V	Closing current	A	five point five
			Opening current		one
			Close and maintain current		zero point five
		DC110V DC220V	Closing current		eleven
			Opening current		two
			Close and maintain current		one
nineteen	auxiliary contact	rated voltage		V	two hundred and twenty
		rated current		A	ten
		Maximum control capacity	AC	VA	one thousand
			DC	W	ninety
twenty	Overall dimensions	D-type machine (width x depth x height)		mm	386×298×336
		J-type machine (width x depth x height)			386×298×415
twenty-one	weight	D-type machine		kg	thirty-eight
		J-type machine			thirty-nine

JCZ2-6J (D)/400-4 vacuum contactor

[Vacuum Contactor Switch]CKG3 series high-voltage vacuum contactor

2026-6-20 10:51:51

CKG3 series high-voltage vacuum contactor

[Vacuum Contactor Switch]CKG3,CKG4 series five pole high voltage vacuum contactor

2026-6-20 10:51:42

CKG3, CKG4 series five pole high voltage vacuum contactor

[Vacuum Contactor Switch]CKG3,CKG4 Series Quadrupole High Voltage Vacuum Contactor

2026-6-20 10:51:34

CKG3, CKG4 series quadrupole high-voltage vacuum contactor

[Vacuum Contactor Switch]CKG3,CKG4 series bipolar high-voltage vacuum contactor

2026-6-20 10:51:25

CKG3, CKG4 series bipolar high-voltage vacuum contactor

[Vacuum Contactor Switch]CKG3,CKG4 series single pole high-voltage vacuum contactor

2026-6-20 10:51:17

CKG3, CKG4 series single pole high-voltage vacuum contactor

[Vacuum Contactor Switch]CKG4 series high-voltage vacuum contactor

2026-6-20 10:51:08

CKG4 series high-voltage vacuum contactor

[Vacuum Contactor Switch]JCZ7-12D series vacuum contactor

2026-6-20 10:51:00

name			unit	parameter
main electricity road	Rated working voltage (Ue)		kV	twelve
	Rated working current (Ie)		A	250��400��630
	Rated heating current (Ith)		A	250��400��630
	rated frequency		HZ	50-60
	Rated connection capacity (I)		A	10Ie
	Rated breaking capacity (Ic)		A	8Ie
	Ultimate breaking ability		A	10Ie
	Rated short-time withstand current and duration		A/s	10Ie/4
	Rated peak withstand current (1/2 cycle)		A	25Ie
control manufacture electricity road	Rated voltage (Us) 1		V	AC.or DC.110/220
	Rated power (Ps)	Electricity maintenance	VA	�� 1000/100 (suction/hold)
auxiliary circuit		form		3a��3b
		rated value		380V/AC.10A or DC.2A
Rated operating frequency		long-term	Times/h	three hundred
		short-term		six hundred
mechanical life			ten thousand times	one hundred
electrical life			ten thousand times	20(AC-3)
Note: The rated control voltage can also be customized according to user needs.

Technical requirements

Technical requirements			unit	parameter
power frequency tolerance voltage	main circuit	Interphase and relative ground	kV	forty-two
		Between vacuum fracture surfaces	kV	forty-two
		Control circuit to ground	kV	2 (excluding semiconductors and resistive capacitive components)
		Auxiliary circuit to ground	kV	two
mechanical characteristic	Closing time		ms	��200
	Inherent opening time		ms	��160
	Three phases in different periods		ms	��3
	Closing bounce		ms	��10

JCZ7-12D series vacuum contactor

[Vacuum Contactor Switch]JCZ1-12KV series single pole high-voltage AC vacuum contactor

2026-6-20 10:50:51

JCZ1-12KV series single pole high-voltage AC vacuum contactor features:
Reasonable structure, small size, and space saving.
Adopting a dual coil electromagnetic system, the action force coordination characteristics are superior to those of a single coil, and the coil power is small with low temperature rise.
The position of the control terminal can be set according to user requirements for easy wiring.

Main performance parameters of JCZ1-12KV series single pole high-voltage AC vacuum contactor

Performance parameter model parameter name	160A	250A	400A	630A
Rated working voltage (KV)	7.2/12	7.2/12	7.2/12	7.2/12
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Inter phase ground frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Mechanical lifespan (10000 cycles)	three hundred	three hundred	three hundred	three hundred
Electrical lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	5/6±0.5	5/6±0.5	5/6±0.5	5/6±0.5
Overtravel (mm)	1.5+0.5	1.5+0.5	1.5+0.5	1.5+0.5
Weight (Kg)	10/12	10/12	10/12	11/13

Control and auxiliary circuits
a. Control voltage: AC or DC 110V, 220V, 380V or customized by the user.
b. Control power: �� 700W/30W
C. Auxiliary contacts: The maximum number of auxiliary contacts used by users is four normally open and three normally closed.
d. Contact capacity: AC380 5A

JCZ1-12KV series single pole high-voltage AC vacuum contactor

[Vacuum Contactor Switch]JCZ1-7.2KV series single pole high-voltage AC vacuum contactor

2026-6-20 10:50:43

JCZ1-7.2KV series single pole high-voltage AC vacuum contactor features:
Reasonable structure, small size, and space saving.
Adopting a dual coil electromagnetic system, the action force coordination characteristics are superior to those of a single coil, and the coil power is small with low temperature rise.
The position of the control terminal can be set according to user requirements for easy wiring.

Main performance parameters of JCZ1-7.2KV series single pole high-voltage AC vacuum contactor

Performance parameter model parameter name	160A	250A	400A	630A
Rated working voltage (KV)	7.2/12	7.2/12	7.2/12	7.2/12
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Inter phase ground frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Mechanical lifespan (10000 cycles)	three hundred	three hundred	three hundred	three hundred
Electrical lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	5/6±0.5	5/6±0.5	5/6±0.5	5/6±0.5
Overtravel (mm)	1.5+0.5	1.5+0.5	1.5+0.5	1.5+0.5
Weight (Kg)	10/12	10/12	10/12	11/13

JCZ1-7.2KV series single pole high-voltage AC vacuum contactor

[Vacuum Contactor Switch]JCZ3-3.6KV series vacuum contactor

2026-6-20 10:50:34

JCZ3-3.6KV series vacuum contactor features:
The overall insulation frame structure has good insulation performance, compact structure, and small volume.
Unique built-in auxiliary switch, safe and reliable to use, reduces width size.
The electromagnetic system is self-contained and easy to maintain.

Main performance parameters of JCZ3-3.6KV series vacuum contactor

Parameter Name Performance Parameter Model	160A	200A	400A	630A
Rated working voltage (KV)	three point six	three point six	three point six	three point six
Rated working current (A)	one hundred and sixty	two hundred	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	one thousand and six hundred	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	one thousand and six hundred	two thousand	four thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	twenty-three	twenty-three	twenty-three	twenty-three
Inter phase ground frequency withstand voltage (KV)	twenty-three	twenty-three	twenty-three	twenty-three
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical lifespan (10000 cycles)	three hundred	three hundred	three hundred	three hundred
Electrical lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>100	>150
Contact opening distance (mm)	3±0.5	3±0.5	3±0.5	3±0.5
Overtravel (mm)	1.5+0.5	1.5+0.5	1.5+0.5	1.5+0.5
Weight (Kg)	seventeen	seventeen	seventeen	seventeen

Control and auxiliary circuits
a. Control voltage: AC or DC 110V, 220V, 380V, or customized according to user requirements.
b. Control power: Start<400W and maintain<20W
c. Auxiliary contacts: Four normally open and three normally closed, can be customized and added.
d. Contact capacity: AC380V 5A.

JCZ3-3.6KV series vacuum contactor

[Vacuum Contactor Switch]JCZ5-12KV series vacuum contactor

2026-6-20 10:50:26

Characteristics of JCZ5-12KV series vacuum contactor

• Main circuit
The vacuum switch tube adopts products from well-known domestic manufacturers. Mature technology, reliable quality, and good market reputation.
630A adopts a dual dynamic connection of end face and conductive clip, with low resistance, more reliable, and low temperature rise.
The conductive busbar is aesthetically pleasing and durable, with two options for the upper end: flat or vertical connection, making it convenient for users to use.
Electromagnetic system
The unique built-in large capacity sealed auxiliary switch among similar products greatly improves the reliability and safety of the auxiliary switch.
Optimize the action structure, reduce the starting and holding power of the coil, resulting in lower temperature rise, longer lifespan, and greater reliability.
• Use dynamic armature limit buffer and auxiliary switch head buffer to reduce the impact force of the action and improve the reliability of the action.
3. Action structure
Flexible shaft support, no jamming under force, small axial movement, improved motion performance and consistency.
A reasonable operating mechanism ensures the coaxiality of the axial movement of the vacuum tube's conductive rod. Improved the performance and reliability of the contactor. Make the three-phase synchronization and bounce indicators superior to similar products.
Enhance the contact pressure of the main contact, improve electrical performance and action characteristics. The indicators are superior to similar products.
The mechanical retaining device is self-contained, with a reasonable structure and more reliable use.
4. Easy to use and maintain
The control circuit wiring terminals have functional markings to prevent wiring errors. According to user needs, the wiring terminals can be installed on the two sides or back of the machine for easy wiring.
The number of auxiliary contacts can be combined according to usage requirements.

Performance parameter model parameter name	160A	250A	400A	630A
Rated working voltage (KV)	twelve	twelve	twelve	twelve
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	forty-two	forty-two	forty-two	forty-two
Phase to phase and ground frequency withstand voltage (KV)	forty-two	forty-two	forty-two	forty-two
Lightning impulse withstand voltage (KV)	seventy-five	seventy-five	seventy-five	seventy-five
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical locking operation frequency (times/h)	sixty	sixty	sixty	sixty
Mechanical lifespan (10000 cycles)	one hundred	one hundred	one hundred	one hundred
Mechanical lock lock lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	6±0.5	6±0.5	6±0.5	6±0.5
Overtravel (mm)	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5
Weight (Kg)	thirty	thirty	thirty	thirty

2. Control circuit
2.1. Control voltage Ua: AC or DC 110V, 220V, 380V, or customized according to user requirements.
2.2. Control power: Start<900W and maintain<30W. Machine protection mode: Close<800W, Open<700W.
2.3. Power frequency withstand voltage: 2KV.
3. Auxiliary circuit
3.1. Auxiliary contacts: The conventional products for providing auxiliary contacts for users are two normally open and two normally closed; Up to four normally open and five normally closed. Mechanical remains at two normally open and three normally closed; More touchpoints can be customized.
3.2. Contact capacity: AC380V 6A; AC220V 10A ��
3.3. Loop contact resistance �� 0.1 ��
3.4. Power frequency withstand voltage: 2KV
4. Action characteristics
4.1. Opening and closing time �� 120ms.
4.2. Three phase synchronization time �� 2ms.
4.3. Closing bounce time �� 5ms.
4.4. Minimum pull in voltage �� 85% Ua. 10% Ua �� Maximum release voltage �� 75% Ua.

JCZ5-12KV series vacuum contactor

[Vacuum Contactor Switch]JCZ5-7.2KV series vacuum contactor

2026-6-20 10:50:17

Characteristics of JCZ5-7.2KV series vacuum contactor

• Main circuit
The vacuum switch tube adopts products from well-known domestic manufacturers. Mature technology, reliable quality, and good market reputation.
630A adopts a dual dynamic connection of end face and conductive clip, with low resistance, more reliable, and low temperature rise.
The conductive busbar is aesthetically pleasing and durable, with two options for the upper end: flat or vertical connection, making it convenient for users to use.
Electromagnetic system
The unique built-in large capacity sealed auxiliary switch among similar products greatly improves the reliability and safety of the auxiliary switch.
Optimize the action structure, reduce the starting and holding power of the coil, resulting in lower temperature rise, longer lifespan, and greater reliability.
• Use dynamic armature limit buffer and auxiliary switch head buffer to reduce the impact force of the action and improve the reliability of the action.
3. Action structure
Flexible shaft support, no jamming under force, small axial movement, improved motion performance and consistency.
A reasonable operating mechanism ensures the coaxiality of the axial movement of the vacuum tube's conductive rod. Improved the performance and reliability of the contactor. Make the three-phase synchronization and bounce indicators superior to similar products.
Enhance the contact pressure of the main contact, improve electrical performance and action characteristics. The indicators are superior to similar products.
The mechanical retaining device is self-contained, with a reasonable structure and more reliable use.
4. Easy to use and maintain
The control circuit wiring terminals have functional markings to prevent wiring errors. According to user needs, the wiring terminals can be installed on the two sides or front of the machine for easy wiring. The number of auxiliary contacts can be combined according to usage requirements.

JCZ5-7.2KV series vacuum contactor main performance parameters JCZ5-7.2KV series

Performance parameter model parameter name	160A	250A	400A	630A
Rated working voltage (KV)	seven point two	seven point two	seven point two	seven point two
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	thirty-two	thirty-two	thirty-two	thirty-two
Phase to phase and phase to ground power frequency withstand voltage (KV)	thirty-two	thirty-two	thirty-two	thirty-two
Lightning impulse withstand voltage (KV)	sixty	sixty	sixty	sixty
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical locking operation frequency (times/h)	sixty	sixty	sixty	sixty
Mechanical lifespan (10000 cycles)	one hundred	one hundred	one hundred	one hundred
Mechanical lock lock lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	5±0.5	5±0.5	5±0.5	5±0.5
Overtravel (mm)	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5
Weight (Kg)	twenty-five	twenty-five	twenty-five	twenty-five

2. Control circuit
2.1. Control voltage Ua: AC or DC 110V, 220V, 380V, or customized according to user requirements.
2.2. Control power: Start<900W and maintain<30W. Machine protection mode: Close<800W, Open<700W.
2.3. Power frequency withstand voltage: 2KV.

3. Auxiliary circuit
3.1. Auxiliary contacts: The conventional products for providing auxiliary contacts for users are two normally open and two normally closed; Up to four normally open and five normally closed. Mechanical remains at two normally open and three normally closed; More touchpoints can be customized.
3.2. Contact capacity: AC380V 6A; AC220V 10A ��
3.3. Loop contact resistance �� 0.1 ��
3.4. Power frequency withstand voltage: 2KV

4. Action characteristics
4.1. Opening and closing time �� 120ms.
4.2. Three phase synchronization time �� 2ms.
4.3. Closing bounce time �� 5ms.
4.4. Minimum pull in voltage �� 85% Ua. 10% Ua �� Maximum release voltage �� 75% Ua.

JCZ5-7.2KV series vacuum contactor

[Vacuum Contactor Switch]CKG4-/12(7.2)KV series high-voltage AC vacuum contactor

2026-6-20 10:50:08

Characteristics of CKG4-/12 (7.2) KV series high-voltage AC vacuum contactor

Main circuit
The vacuum switch tube adopts products from well-known domestic manufacturers. Mature technology, reliable quality, and good market reputation.
The cross-sectional area of the conductive strip is superior to similar products. Install a reinforcing plate on the upper end of the fixed end conductive busbar to enhance the connection strength between the copper busbar and the vacuum tube, and prevent the harm caused by the deformation of the copper busbar.
The conductive cross-sectional area of soft wires or soft connections is sufficient. 630A adopts dual dynamic end connection, with low resistance, more reliable, and low temperature rise.
The conductive strip adopts internationally popular electroplating technology, which not only meets electrical performance requirements but also improves oxidation resistance, making it beautiful and durable.

Electromagnetic system
Adopting a closed structure and equipped with a heat dissipation window, it fully meets the requirements of temperature rise and other usage, and is dustproof and non-magnetic, ensuring safe use. Becoming a structurally complete electrical product is a unique structural approach among similar products.
By optimizing the action structure, the starting power and holding power of the coil are lower than similar products, resulting in lower temperature rise, longer lifespan, and greater reliability.
By using dynamic armature limit buffering and auxiliary switch head buffering, the impact force of the action is reduced, bounce is minimized, and the reliability of the auxiliary switch's action is improved.

Action structure
The shaft is supported by coaxiality, with no force jamming and minimal axial movement, which improves the performance and consistency of the movement.
Reasonable operating mechanism ensures the coaxiality of the axial movement of the vacuum tube's conductive rod. Improved the performance and reliability of the contactor. Make the three-phase synchronization and bounce indicators superior to similar products.
Enhancing the pressure of the contact spring, increasing the contact pressure of the main contact, and improving the electrical and mechanical properties. The indicators are superior to similar products.
The mechanical retaining device has a reasonable structure and is reliable to use.
Easy to use and maintain
The control circuit wiring terminals have functional markings to facilitate wiring and prevent wiring errors.
The power box and auxiliary switch are easy to replace. The wiring is distinguished by fixed colors for easy inspection.
According to user needs, the wiring terminals can be installed at the front or back of the machine for easy wiring.
The number of auxiliary contacts can be combined according to usage requirements.

Main performance parameters of CKG4-/12 (7.2) KV series high-voltage AC vacuum contactor

Parameter Name Performance Parameter Model	160A	250A	400A	630A
Rated working voltage (KV)	7.2/12	7.2/12	7.2/12	7.2/12
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Phase to phase and phase to ground power frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Lightning impulse withstand voltage (KV)	60/75	60/75	60/75	60/75
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical locking operation frequency (times/h)	sixty	sixty	sixty	sixty
Mechanical lifespan (10000 cycles)	fifty	fifty	fifty	fifty
Mechanical lock lock lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	6±0.5	6±0.5	6±0.5	6±0.5
Overtravel (mm)	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5
Weight (Kg)	thirty	thirty	thirty	thirty

2. Control circuit
2.1. Control voltage Ua: AC or DC 110V, 220V, 380V, or customized according to user requirements.
2.2. Control power: Start<900W and maintain<30W. Machine protection mode: Close<800W, Open<700W.
2.3. Power frequency withstand voltage: 2KV.
3. Auxiliary circuit
3.1. Auxiliary contacts: The conventional products for providing auxiliary contacts for users are two normally closed and three normally open; At most, it is five normally closed and six normally open. Mechanical remains three normally closed and three normally open; Up to six normally closed and six normally open.
3.2. Contact capacity: AC380V 6A; AC220V 10A ��
3.3. Loop contact resistance �� 0.1 ��
3.4. Power frequency withstand voltage: 2KV
4. Action characteristics
4.1. Opening and closing time �� 120ms.
4.2. Three phase synchronization time �� 2ms.
4.3. Closing bounce time �� 5ms.
4.4. Minimum pull in voltage �� 85% Ua. 10% Ua �� Maximum release voltage �� 75% Ua.

CKG4-/12 (7.2) KV series high-voltage AC vacuum contactor

[Vacuum Contactor Switch]CKG3-7.2KV series high-voltage AC vacuum contactor

2026-6-20 10:50:00

Characteristics of CKG3-7.2KV series high-voltage AC vacuum contactor

• Main circuit
The vacuum switch tube adopts products from well-known domestic manufacturers. Mature technology, reliable quality, and good market reputation.
The cross-sectional area of the conductive strip is superior to similar products. Install a reinforcing plate on the upper end of the fixed end conductive busbar to enhance the connection strength between the copper busbar and the vacuum tube, and prevent the harm caused by the deformation of the copper busbar.
The conductive cross-sectional area of the flexible wire or flexible connection is sufficient. 630A adopts dual dynamic end connection, with low resistance, more reliable, and low temperature rise.
The conductive busbar adopts internationally popular electroplating technology, which not only meets electrical performance requirements but also improves oxidation resistance, making it beautiful and durable.
Electromagnetic system
Adopting a closed structure and equipped with a heat dissipation window, it fully meets the requirements of temperature rise and other usage, and is dustproof and non-magnetic, ensuring safe use. Becoming a structurally complete electrical product is a unique structural approach among similar products.
By optimizing the action structure, the starting power and holding power of the coil are lower than similar products, resulting in lower temperature rise, longer lifespan, and greater reliability.
• Use dynamic armature limit buffer and auxiliary switch head buffer to reduce the impact force of the action, reduce bounce, and improve the reliability of the auxiliary switch action.
3. Action structure
The shaft is supported by coaxiality, with no force jamming and minimal axial movement, which improves the performance and consistency of the movement.
A reasonable operating mechanism ensures the coaxiality of the axial movement of the vacuum tube's conductive rod. Improved the performance and reliability of the contactor. Make the three-phase synchronization and bounce indicators superior to similar products.
Enhance the pressure of the contact spring, increase the contact pressure of the main contact, and improve the electrical and mechanical performance. The indicators are superior to similar products. The mechanical retaining device has a reasonable structure and is reliable to use.
4. Easy to use and maintain
The control circuit wiring terminals have functional markings to facilitate wiring and prevent wiring errors.
The power box and auxiliary switch are easy to replace. The wiring is distinguished by fixed colors for easy inspection.
According to user needs, the wiring terminals can be installed at the front or back of the machine for easy wiring.
The number of auxiliary contacts can be combined according to usage requirements.

Main performance parameters of CKG3-7.2KV series high-voltage AC vacuum contactor

Parameter Name Performance Parameter Model	160A	250A	400A	630A
Rated working voltage (KV)	seven point two	seven point two	seven point two	seven point two
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	thirty-two	thirty-two	thirty-two	thirty-two
Phase to phase and phase to ground power frequency withstand voltage (KV)	thirty-two	thirty-two	thirty-two	thirty-two
Lightning impulse withstand voltage (KV)	sixty	sixty	sixty	sixty
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical locking operation frequency (times/h)	sixty	sixty	sixty	sixty
Mechanical lifespan (10000 cycles)	one hundred	one hundred	one hundred	one hundred
Mechanical lock lock lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	5±0.5	5±0.5	5±0.5	5±0.5
Overtravel (mm)	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5	1.5 �� 0.5
Weight (Kg)	twenty-five	twenty-five	twenty-five	twenty-five

2. Control circuit
2.1. Control voltage Ua: AC or DC 110V, 220V, 380V, or customized according to user requirements.
2.2. Control power: Start<900W and maintain<30W. Machine protection mode: Close<800W, Open<700W.
2.3. Power frequency withstand voltage: 2KV.
3. Auxiliary circuit
3.1. Auxiliary contacts: The conventional products for providing auxiliary contacts for users are two normally closed and three normally open; At most, it is five normally closed and six normally open. Mechanical remains three normally closed and three normally open; Up to six normally closed and six normally open.
3.2. Contact capacity: AC380V 6A; AC220V 10A ��
3.3. Loop contact resistance �� 0.1 ��
3.4. Power frequency withstand voltage: 2KV
4. Action characteristics
4.1. Opening and closing time �� 120ms.
4.2. Three phase synchronization time �� 2ms.
4.3. Closing bounce time �� 5ms.
4.4. Minimum pull in voltage �� 85% Ua. 10% Ua �� Maximum release voltage �� 75% Ua.

CKG3-7.2KV series high-voltage AC vacuum contactor

[Vacuum Contactor Switch]CKG1-7.2/12Kv(J) series vacuum contactor

2026-6-20 10:49:51

CKG1-7.2/12Kv (J) series vacuum contactor features:

Integrated insulation frame, equipped with metal side panels, with a sturdy structure and strong load-bearing capacity, can be directly used for plugging and unplugging small car style main circuits.
The reliability of the electromagnetic system has been greatly improved.
• Can easily replace old products for use.
There is a mechanical holding method.

Main performance parameters of CKG1-7.2/12Kv (J) series vacuum contactor

Parameter Name Performance Parameter Current	160A	250A	400A	630A
Rated working voltage (KV)	7.2/12	7.2/12	7.2/12	7.2/12
Rated working current (A)	one hundred and sixty	two hundred and fifty	four hundred	six hundred and thirty
Rated connection capacity (A/100 times)	one thousand and six hundred	two thousand and five hundred	four thousand	six thousand and three hundred
Rated breaking capacity (A/25 times)	one thousand two hundred and eighty	two thousand	three thousand and two hundred	five thousand
Ultimate breaking capacity (A/3 times)	four thousand	four thousand	five thousand	six thousand and three hundred
Fracture frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Inter phase ground frequency withstand voltage (KV)	32/42	32/42	32/42	32/42
Main circuit contact resistance (�� )	�� 200	�� 200	�� 200	�� 200
Rated operating frequency (times/h)	six hundred	six hundred	six hundred	six hundred
Mechanical lifespan (10000 cycles)	three hundred	three hundred	three hundred	three hundred
Electrical lifespan (10000 cycles)	thirty	thirty	thirty	thirty
Contact terminal pressure (N)	>100	>100	>150	>150
Contact opening distance (mm)	5/6±0.5	5/6±0.5	5/6±0.5	5/6±0.5
Overtravel (mm)	1.5+0.5	1.5+0.5	1.5+0.5	1.5+0.5
Weight (Kg)	thirty	thirty	thirty	thirty-two

CKG1-7.2/12Kv (J) series vacuum contactor