Shanghai Huabang Industrial Business Network - Outdoor vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW82-35 outdoor single-phase high-voltage vacuum circuit breaker

2026-6-10 20:10:00

ZW82-35 outdoor single-phase high-voltage vacuum circuit breaker is suitable for 35KV substations or urban distribution stations and industrial electrical equipment with terminal power supply, for protection control and short-circuit protection. Due to the protective effect of outdoor high-voltage vacuum circuit breakers on electrical equipment such as transformers, they can control line breaking, overload, and surge current Effectively protect transformers, electrical equipment, and power lines. More reliable, more economical, especially suitable for urban and rural power grid systems and power grid renovation. ZW82-35 is mainly used for breaking and closing load current, overload current, and short-circuit current in power systems. Suitable for protection and control in substations and distribution systems of industrial and mining enterprises, as well as places with frequent operation of rural power grids. Jiaji Electric specializes in producing this installation and use manual, which specifies the main requirements for circuit breakers

Technical parameters, product structure, principles and methods of operation, installation, use and maintenance of ZW82-35 outdoor single-phase high-voltage vacuum circuit breaker.

The ZW82-35 outdoor single-phase high-voltage vacuum circuit breaker is based on the ZW7-40.5 and removes the BC two phases. It is used as a special area for switching power supply and has an unparalleled price advantage compared to the ZW7

Structural characteristics of ZW82-40.5
�� The circuit breaker consists of a phase support and a mechanism box, with a simple and clear structure. The phase support and current transformer are made of outdoor materials
Epoxy tree solid or silicone rubber insulation has the advantages of high and low temperature resistance, UV resistance, aging resistance, etc; Adopting a miniaturized spring operated mechanism, the energy consumption for opening and closing is low. The transmission output of the mechanism adopts a spindle sliding mode, with no torque loss, fewer opening and closing transmission components, and high reliability
�� The current transformer is installed on the outgoing line of the moving end, and the secondary adopts a plug-in structure for easy maintenance and replacement.
�� The high-voltage vacuum circuit breaker equipped with a vacuum arc chamber has stable and reliable breaking performance. It is professionally produced by Jiaji Electric and has the characteristics of no combustion, safety, maintenance free, small size, light weight (<420kg), and long service life.
�� The circuit breaker adopts a fully enclosed structure with good sealing performance, moisture-proof and anti condensation properties, suitable for high temperature and humid areas
Use it.
�� The closing and opening of circuit breakers can be manually or electrically operated, as well as remotely operated. It can be matched with a controller to achieve distribution automation,
It can also be combined with a coincidence controller to form a coincidence device.
�� The operating mechanism is novel, simple, reliable in action, small in size, and has a mechanical lifespan of up to 10000 times.
�� The installation method of circuit breakers can be single pole or double pole mounting.
ZW82-40.5/630-20
ZW82-40.5/630-25
ZW82-40.5/1000-20
ZW82-40.51000-25
ZW82-40.5/1250-20
ZW82-40.5/1250-25
ZW82-40.5/1250-31.5
ZW82-40.5/1600-31.5

[Outdoor vacuum circuit breaker]ZW110-40.5 Sealed permanent magnet high-voltage vacuum circuit breaker

2026-6-10 20:09:51

ZW110-40.5 Sealed Permanent Magnet High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW8J-12 Integrated metering high-voltage circuit breaker

2026-6-10 20:09:39

ZW8J-12 Integrated Metering High Voltage Circuit Breaker

[Outdoor vacuum circuit breaker]JZW32-12 Measuring vacuum circuit breaker with protection

2026-6-10 20:09:30

JZW32-12 metering vacuum circuit breaker with protection

[Outdoor vacuum circuit breaker]BV-3S-12(AB-3S-12) Intelligent three-phase fast permanent magnet circuit breaker

2026-6-10 20:09:22

BV-3S-12 (AB-3S-12) intelligent three-phase fast permanent magnet circuit breaker

[Outdoor vacuum circuit breaker]ZW8-12F with metering intelligent boundary switch

2026-6-10 20:09:13

ZW8-12F with metering intelligent boundary switch

[Outdoor vacuum circuit breaker]JZW43-12 Measuring vacuum circuit breaker with protection

2026-6-10 20:09:04

JZW43-12 metering vacuum circuit breaker with protection

[Outdoor vacuum circuit breaker]ZWB-12/T630-20 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:08:56

ZWB-12/T630-20 outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is used in power systems with AC voltage ranging from 50Hz to 12Kv. It is used for breaking, closing load current, overload current, and short-circuit current. When the circuit breaker is combined with isolation contact blades (hereinafter referred to as the combination circuit breaker), it can also be used as a section switch.

Normal usage conditions
1. Surrounding air temperature: upper limit+40 ��, lower limit -40 ��
2. Altitude: not exceeding 1000m
3. Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s)
4. Seismic intensity: no frequent severe vibration, seismic intensity not exceeding level 8
5. Pollution level: not exceeding level III in GB/T 5582

Main technical parameters of ZWB-12/T630-20 outdoor high-voltage vacuum circuit breaker

serial number	name				unit	data
one	rated voltage				KV	twelve
two	Rated insulation level	1-minute power frequency withstand voltage		Dry test		forty-two
				wet test		thirty-four
		Lightning impulse withstand voltage				seventy-five
three	rated current				A	six hundred and thirty
four	Rated short-circuit breaking current				KA	twenty
five	Rated short-circuit breaking current times				time	thirty
six	Rated short-circuit closing current (peak)				KA	fifty
seven	Rated peak withstand current
eight	Rated short-time withstand current					twenty
nine	Rated short-circuit duration				s	four
ten	Rated operating sequence (electric operation)					Split -0.3s - Split -180s - Split
eleven	Opening time (excitation trip)		Maximum operating voltage		Ms	15~50
			Rated operating voltage
			Minimum operating voltage			30~60
twelve	closing time					25~50
thirteen	Total breaking time					��100
fourteen	arcing time					��20
fifteen	mechanical life				time	ten thousand
sixteen	Closing power				J	seventy
seventeen	Input power of energy storage motor				W	��250
eighteen	Rated operating voltage and rated voltage of auxiliary circuit				V	DC220
						AC220
nineteen	Energy storage time at rated voltage				S	��10
twenty	over-current release	rated current			A	five
		Accuracy of tripping current			%	±10

[Outdoor vacuum circuit breaker]ZW32-12F Outdoor high-voltage intelligent boundary vacuum circuit breaker (watchdog)

2026-6-10 20:08:47

ZW32-12F Outdoor High Voltage Intelligent Boundary Vacuum Circuit Breaker (Watchdog)

[Outdoor vacuum circuit breaker]LW58-252/T4000-50 High voltage sulfur hexafluoride circuit breaker

2026-6-10 20:08:37

The arc extinguishing chamber of LW58-252/T4000-50 high-voltage sulfur hexafluoride circuit breaker adopts a self powered pressurized pneumatic double action structure, which has more stable breaking performance;
Small operating power, high product reliability, mechanical lifespan of 6000 (10000) times;
The dynamic and static arc contacts adopt a copper tungsten integral sintered structure, which is resistant to high temperatures and has minimal burning loss under the action of the arc. It can be fully opened and closed 20 times at full capacity;
Reliable sealing performance: SF6 annual leakage rate is far less than 0.5%;
Strict dehumidification process for product components: SF6 moisture content is much lower than similar products;
External insulation creepage distance �� 31mm/KV, strong stain resistance;
The arc extinguishing chamber valve plate is made of special zinc based alloy, which is heat-resistant, lightweight, and has stable and reliable breaking performance;
The nozzle is made of imported polytetrafluoroethylene and special materials, with high electrical strength, burn resistance, no deformation, and good creep resistance;
The secondary circuit electrical components and SF6 density controller are made of high-quality imported or joint venture manufacturer products;
Important components within the organization are forged from high-quality alloy steel, which has high strength, wear resistance, and can ensure frequent operation of circuit breakers with low failure rates.

		kA	fifty
seven	Rated short-circuit closing current (peak)		one hundred and twenty-five
eight	Rated short-time withstand current		fifty
nine	Rated peak withstand current		one hundred and twenty-five
ten	Rated as out of step breaking current		twelve point five
eleven	Near area fault breaking current			90%IK,75%IK
twelve	Rated short-circuit breaking current times		time	twenty
thirteen	Rated short-circuit duration		s	three
fourteen	Initial polar coefficient			one point three
fifteen	Rated line charging switching current		A	two hundred
sixteen	Rated operating sequence			O-0.3S-CO-180S-CO
seventeen	rated pressure		MPa	zero point six zero
eighteen	Leakage rate of sulfur hexafluoride gas		%	��0.5
nineteen	Gas moisture content		��L/L	��150×10^-6
twenty	mechanical life		time	6000(10000)
twenty-one	Opening time		ms	��35
twenty-two	closing time		ms	��100
twenty-three	creepage distance		fracture	mm	��8660
			to the ground		��6400
twenty-four	Weight of sulfur hexafluoride gas per phase		kg	eight
twenty-five	Weight of each phase circuit breaker			one thousand and eight hundred

2) Main Technical Parameters Table of the Institution
serial number	name		unit	data
one	energy storage motor	rated voltage	V	DC220/AC220
		Normal operating voltage range	V	85%~110%
		power	W	seven hundred and twenty
two	Motor energy storage time		S	��20
three	Voltage/current of opening and closing coils		V/A	DC110V/4��DC220V/2.5
four	auxiliary switch	rated current	A	10 (DC220V)
four	auxiliary switch	Grounding number of auxiliary switch	Correct	11/11
five	limit switch	rated current	A	5 (DC220V)
five	limit switch	Connection points: normally open/normally closed	Correct	2/2
six	Heating and lighting circuit voltage		V	AC220
seven	mechanical life		Time1	6000(10000)

3) Mechanical adjustment parameters of the product
serial number	name	unit	data
one	Center distance between circuit breaker poles	mm	3000~4000
two	Opening time	ms	��35
three	closing time		��100
four	Cut off time		��60
five	Split time		seventy
six	Opening and closing time		three hundred
seven	Three pole asynchronous tripping		��3
eight	Three pole closing asynchrony		��4

LW58-252/T4000-50 High Voltage Sulfur Hexafluoride Circuit Breaker

[Outdoor vacuum circuit breaker]ZW10-12G/T630-12.5/16/20 Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 20:08:29

ZW10-12G/T630-12.5/16/20 outdoor high-voltage vacuum circuit breaker is mainly used for power distribution systems in rural, urban, mining, railway, and port areas with a rated current of 630A and a rated frequency of 50HZ at a voltage level of 12KV. It is particularly suitable for outdoor overhead lines to switch and protect the power grid by handling load current, overload current, and short-circuit current.
2�� This product is suitable for the following working conditions:
a. Environmental temperature -40 ��~+40 ��
b. Altitude not exceeding 2000mm, negotiate with users above 2000mm
c. Wind pressure not exceeding 700Pa (equivalent to a wind speed of 34m/s)
d. The daily average relative humidity should not exceed 95%, and the monthly average should not exceed 90%
e. Air pollution level III
f. The surrounding air should not be significantly polluted by corrosive or flammable gases
g. No frequent vigorous exercise
h. Silicone rubber used as an insulating medium should comply with the requirements of GB655386 for specific usage scenarios

ZW10-12G/T630-12.5/16/20 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW20Z Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:08:20

ZW20Z Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW2-27.5 Outdoor single-stage railway switch

2026-6-10 20:08:11

ZW2-27.5 outdoor single-stage railway switch circuit breaker has a rated voltage of 27.5kV and an AC frequency of 50Hz. It is specifically designed for use in electrified railway direct supply systems for load switching and fault current breaking, and is suitable for places with frequent operation.

[Outdoor vacuum circuit breaker]ZW2-55/27.5 Outdoor dual level railway switch

2026-6-10 20:08:02

ZW2-55/27.5 outdoor dual stage railway switch has a rated voltage of 27.5kV, 55/27.5kV, and an AC frequency of 50Hz. This circuit breaker is specifically designed for use in the AT power supply system of electrified railways to open and close loads and disconnect fault currents, especially in places with frequent operation.

[Outdoor vacuum circuit breaker]Outdoor high-voltage permanent magnet vacuum circuit breaker

2026-6-10 20:07:53

MZZ (1) -12/M630-20 outdoor high-voltage permanent magnet vacuum circuit breaker (recloser/sectionalizer) is an outdoor high-voltage distribution device with three-phase AC 50HZ, rated voltage 12V, rated current 630A-1250A, and short-circuit current 16KA-20KA. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems. Suitable for protection and control in power distribution systems of industrial and mining enterprises, and more suitable for rural power grids and places with frequent operations. This product retains all reasonable parts and excellent performance of the original ZW32 structure, and also increases the overall mechanical life of the arc extinguishing chamber by several times compared to the original mechanical life, with a lifespan of up to 60000 times and 30000 times without maintenance during the service life. It can be easily expanded to form reclosers and segmenters, which are used to distinguish between permanent and temporary faults. At the same time, the powerful control function of the permanent magnet mechanism controller can be utilized to achieve various networking, protection, and operation functions according to customer requirements.

Structural characteristics of MZZ (1) -12/M630-20 outdoor high-voltage permanent magnet vacuum circuit breaker:
1. The microcomputer control device is equipped with a set of 20 batteries, and the battery capacity can support 50 hours of operation after a power outage.
2. The battery charging adopts electronic PT, AC220V, or CT charging, which is safe and reliable.
3. The device has the function of on-site remote control switch on/off operation, with a remote control distance of 30 meters, and on-site operators do not have the difficulty of climbing power poles.
4. Provide protection setting management function, users can freely modify the tripping current, and the setting value is flexible.

MZZ (1) -12/M630-20 outdoor high-voltage permanent magnet vacuum circuit breaker model meaning

Technical parameters of MZZ (1) -12/M630-20 outdoor high-voltage permanent magnet vacuum circuit breaker

External dimensions and installation dimensions

[Outdoor vacuum circuit breaker]MZZ30-40.5/1600-31.5 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:07:44

The MZZ30-40.5 series outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment with a rated voltage of 40.5kV. Equipped with a spring operated mechanism or an electromagnetic operated mechanism, it can remotely control electric opening and closing, or manually store energy and manually open and close on site. The design performance meets the requirements of the national standard GB1984-89 "AC High Voltage Circuit Breaker" and the requirements of the International Electrotechnical Commission standard IEC-56 "AC High Voltage Circuit Breaker".

Structural features:
The MZZ30-40.5 series outdoor high-voltage vacuum circuit breaker is mainly used for control and protection of outdoor 40.5kV power transmission and transformation systems, as well as for normal operation and short-circuit protection of urban and rural distribution networks and industrial and mining enterprises. The overall structure of this product is a porcelain bottle pillar type; The upper porcelain bottle is equipped with a vacuum arc extinguishing chamber, and the lower porcelain bottle is a pillar porcelain bottle. Suitable for places with frequent operations. It has the characteristics of good sealing, aging resistance, high pressure resistance, non combustion, no explosion, long service life, convenient installation and maintenance, etc.

MZZ30-40.5/1600-31.5 Outdoor High Voltage Vacuum Circuit Breaker Model Meaning

Main characteristics and environmental conditions for use
Surrounding air temperature: upper limit+40 ��, lower limit -30 �� (general areas), -40 �� (high-altitude areas);
Altitude: �� 1000m (if altitude needs to be increased, the rated insulation level should be correspondingly increased);
Wind pressure: not exceeding 700pa (equivalent to a wind speed of 34m/s);
Amplitude: The seismic intensity does not exceed 8 degrees;
Pollution level: Level III;
Maximum temperature difference: not exceeding 25 ��.

MZZ30-40.5/1600-31.5 Outdoor High Voltage Vacuum Circuit Breaker Main Technical Parameters

Appearance and installation dimensions

MZZ30-40.5/1600-31.5 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]Outdoor pole mounted high-voltage vacuum circuit breaker

2026-6-10 20:07:34

MZZ10-12/T630-20 outdoor column mounted vacuum circuit breaker is an outdoor distribution equipment with a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used for breaking and closing load current, overload current, and short-circuit current in power systems. Suitable for protection and control in substations and industrial and mining distribution systems, and more suitable for urban, rural, and frequently operated places. This product, when combined with a controller, can meet the requirements of distribution automation systems and reliably and effectively perform traditional recloser functions.

MZZ10-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker model meaning

Main technical parameters of MZZ10-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker

MZZ10-12/T630-20 Outdoor Column High Voltage Vacuum Circuit Breaker Appearance and Installation Dimensions

MZZ10-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker

[Outdoor vacuum circuit breaker]Outdoor pole mounted high-voltage vacuum circuit breaker

2026-6-10 20:07:25

MZZ11-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker is an outdoor high-voltage distribution device with three-phase AC 50Hz, rated current 630A~1250A, and short-circuit current 16kA~20kA. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems. Suitable for protection and control in power distribution systems of industrial and mining enterprises, and more suitable for rural power grids and places with frequent operations. This product retains all reasonable parts and excellent performance of the original ZW32 structure, and also increases the overall mechanical life of the product, including the arc extinguishing chamber, by several times compared to the original model, with a lifespan of up to 60000 times and 30000 times without maintenance during the service life.

Structural characteristics of MZZ11-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker:
1. Surrounding air temperature: -40 ��~+55 ��, daily temperature difference: daily variation of 25 ��;
2. Altitude: not exceeding 2000 meters;
3. Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 35m/s);
4. No frequent severe vibrations, earthquake intensity not exceeding 8 degrees;
5. Places without strong corrosive gases or media (such as various acids, alkalis, thick smoke, etc.);
6. Anti pollution ability level IV.

MZZ11-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker model meaning

Main technical parameters of MZZ11-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker

Appearance and installation dimensions

MZZ11-12/T630-20 outdoor pole mounted high-voltage vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW8G-12 Plateau type permanent magnet outdoor high-voltage vacuum circuit breaker with remote control

2026-6-10 20:07:16

ZW8G-12 plateau type permanent magnet with remote control is used for three-phase power systems with AC 50Hz and voltage of 10-12kV. It is used for breaking and closing load currents, and has overload and short circuit protection functions. It can also be equipped according to user needs

Install surge current delay protectors and install lightning arresters or isolating switches, such as circuit breakers and isolating switches.

ZW8G-12 High Altitude Permanent Magnet Outdoor High Voltage Vacuum Circuit Breaker with Remote Control Main Technical Parameters

Number Project Unit Data
Rated voltage KV 12
2 rated insulation level, 1-minute working rated withstand voltage, dry test, 42 wet test, 34 lightning impulse withstand voltage (peak value), 75
3 rated insulation level A 630; 400�� two hundred
4 rated short-circuit breaking current kA 20; 16��12.5
The rated operating sequence is divided into -0.3s, -180s, and -180s
6 rated short-circuit breaking times 30 times
7 rated short-circuit closing current (peak) kA 50
8 rated peak withstand current
9 rated short-time withstand current 20
10 rated short-circuit continuous current s 4
11 Opening time (excitation trip) Maximum operating voltage MS 15~50 Rated operating voltage Minimum operating voltage 30~60
12 closing time 25~50
13 fully open and open time �� 100
14 arc time �� 20
15 mechanical life cycles 10000
16 closing power J 70
17. Rated input power of energy storage motor W �� 250
18 rated operating voltage and rated voltage of auxiliary circuit V DC220, 110, 24 AC220, 110, 24
19. Energy storage time under rated voltage s<10
20 overcurrent release rated current A 5 tripping current accuracy% ± 10

[Outdoor vacuum circuit breaker]ZWP-24KV Solid sealed pole type vacuum high-voltage circuit breaker

2026-6-10 20:07:07

ZW �� -24 outdoor high-voltage AC vacuum circuit breaker is an outdoor switch equipment with three-phase AC 50Hz and rated voltage of 24kV. It is suitable for opening and closing various types of loads and frequent operating situations, and is suitable for the construction and renovation of power equipment in urban networks, rural networks, mines, railways, etc. This product is the earliest developed 24kV outdoor high-voltage switchgear suitable for China's national conditions, based on absorbing advanced foreign technology and domestic raw materials and processes. It has its own intellectual property rights and multiple patented technologies, filling the gap in domestic 24kV voltage level outdoor switchgear. Compared with similar international products, it has the characteristics of miniaturization, maintenance free, and intelligence. At the same time, this product has no pollution to the surrounding environment and is a green and environmentally friendly product.

Product features
The shell is made of high-quality stainless steel material or ordinary steel plate treated with Dacromet anti rust technology and then sprayed with UV resistant varnish. The product has excellent environmental resistance such as corrosion resistance and salt spray resistance.
The insulation part adopts epoxy resin and silicone rubber composite insulation material, with high insulation level, strong anti pollution ability, ozone resistance, UV resistance, hydrophobicity, and high and low temperature resistance. There is no transformer oil or sulfur hexafluoride gas inside the box, which meets the requirements of oil-free transformation and environmental protection.
The operating mechanism is a spring operated mechanism, which can be manual or electric. If necessary, a remote control device and a surge avoidance device can be installed to avoid closing. The required external power supply power should not exceed 70W, making it easy to equip with a backup power supply. Design a unique buffering device with excellent performance, minimal rebound, and low noise.
The arc extinguishing chamber adopts special stainless steel brazing technology, which does not require electroplating, has high welding quality, stability and reliability, and low air leakage rate. Special ceramic metallization formula and advanced ceramic metallization technology are used in the production process to ensure the airtightness of the product, with a tensile strength greater than 130Mpa and complete one-time sealing.
The 5 current transformers are made of high-quality magnetic materials and epoxy resin and silicone rubber composite insulation, with advantages such as large capacity, high dynamic and thermal stability multiple, high precision level, maintenance free, and high reliability.
According to user needs, it can be combined with corresponding controllers to form automatic reclosers and segmenters, which are ideal equipment for achieving distribution network automation.

Normal usage conditions
Surrounding air temperature:+40 ��~-40 �� Daily temperature difference: 25K
B wind speed not exceeding 35m/s
c�� The protection level of the chassis is IP64
d�� Consider condensation and precipitation
e�� Earthquake intensity not exceeding level 8
f�� The solar radiation intensity does not exceed 1000W/�O (equivalent to 700Pa on a cylindrical surface)
h�� Any requirements beyond these technical specifications shall be agreed upon by the user and the manufacturer.
Number Name Unit Value
Rated voltage kV 24
Rated current A 630/1250
3 rated frequency Hz 50
4 rated thermal stability current A 420/25k
5 rated short-circuit breaking current
A 520/25k
6 rated dynamic stability current (peak) A 650/63k
7 rated short-circuit closing current (peak) kA 50/63
8 Thermal stability time S 4
9 Rated operating sequence S SO-0.3s-CO-180s-C
10 rated insulation level, 1-minute power frequency withstand voltage, phase to phase, ground/fracture kV 50/65
Rated lightning impulse withstand voltage (peak) phase to phase, ground/fracture 95/125
Secondary circuit 1-minute power frequency withstand voltage 2
11 mechanical life cycles 10000
12 rated short-circuit breaking current breaking times 30
13 rated current breaking times 10000
Table 2 Rated Parameters of Operating Mechanism
Number Name Unit Value
1. Rated power of energy storage motor W �� 70
2. Closing time for energy storage
S ��8
3. Working voltage of energy storage motor V AC220 110
DC24 110 220
4. Closing coil tripping voltage V AC220 110
DC24 110 220
5-strip coil tripping voltage V AC220 110
DC24 110 220
6 overcurrent coil trip current A 5
Table 3 Mechanical characteristic adjustment parameters of circuit breakers
Number Name Unit Value
1 contact opening distance mm 12 ± 1
2 overtravel 3 ± 1
3-phase center distance 380 ± 1.5
4. Non synchronous opening and closing of three-phase, ms �� 2
5 contact closing bounce time �� 2
6 Closing time 25-80
7 opening time 23-50
8. Average opening speed m/s 1.1-1.7
9. Average closing speed 0.5~0.9
The resistance of the main electrical circuit is 10 �� 100

ZWP-24KV/630 (1250) -20 (25) solid sealed pole vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW32P-12 type outdoor prepaid metering vacuum circuit breaker

2026-6-10 20:06:58

ZW32P-12 outdoor prepaid metering vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kV outdoor vacuum circuit breaker and metering integrated switchgear. It is matched with a three-phase multifunctional meter to realize the opening and closing of load current, overload current, and short-circuit current in the distribution system. It also has a high-precision high-voltage metering device to achieve all metering, calculation and accounting functions of active energy meter, reactive energy meter, active demand meter, power factor meter, prepaid meter, and multiple rate meter. It can also flexibly preset multifunctional overload alarms, automatic power outages, phase loss alarms, recording, and automatic meter reading. Using international standard IC card RS485 interface, infrared communication, large screen LCD display technology, flexible preset of multiple functions, and IC card or handheld computer as a medium to achieve information transmission between users and power supply department computers. The power department can choose one or more transmission methods based on local conditions to facilitate computer network management and meet the needs of modern and scientific management for users in an effective and timely manner.

ZW32P-12 outdoor prepaid metering vacuum circuit breaker complies with national standards GB1984-2003, GB/T17215-2002, GB17201-1997; The product comes with an operating power supply, which can reliably provide power for operation, signal, and alarm systems.
Usage environment
Altitude: not exceeding 1000 meters (exceeding is considered high prototype)
Surrounding air temperature: -45 ��~+40 ��
Relative temperature: daily average not exceeding 95%, monthly average not exceeding 90%
Wind speed: not exceeding 35m/s
No flammable, explosive hazard, chemical corrosion, or severe vibration site.
Pollution level: III

[Outdoor vacuum circuit breaker]ZW32-17.5 type permanent magnet vacuum circuit breaker

2026-6-10 20:06:49

The ZW32-17.5 permanent magnet vacuum circuit breaker adopts a unique design and high reliability permanent magnet mechanism. This circuit breaker is mainly used in the 17.5kV medium voltage overhead power grid as a means of breaking and closing load currents, overload currents, and short-circuit currents; Suitable for the construction and renovation of power equipment in urban and rural power grids, mines, and railways. ZW32-17.5 permanent magnet vacuum circuit breaker complies with the national standard GB1984 "High Voltage AC Circuit Breaker". According to the International Electrotechnical Commission standard IEC62271-100, within the technical parameter range and normal use conditions of circuit breakers, they can meet various operations of the power grid under normal or accident conditions, including making and breaking short-circuit currents.

Terms of Use
1. Normal usage conditions
a) The ambient air temperature shall not exceed 40 ��, and the average value measured within 24 hours shall not exceed 35 ��, with a minimum ambient air temperature of -40 ��;
b) Altitude: not exceeding 2000m;
c) The surrounding air can be polluted by dust, smoke, corrosive gases, steam, or salt spray, with a pollution level of IV;
d) Wind speed not exceeding 34m/s;
e) Vibration or ground motion from outside the switchgear and control equipment can be ignored.
2 Special usage conditions
If the above normal usage conditions are not met, the user needs to negotiate with the manufacturer to reach a consensus.

Technical characteristics of ZW32-17.5 permanent magnet vacuum circuit breaker
The product design complies with national standards such as GB1984-2003, power industry standards, and International Electrotechnical Commission standards such as IEC62271-100.
2. Compact structure, lightweight design, with a minimum phase spacing of 280mm, easy to install.
The permanent magnet mechanism of the 3 products has a high lifespan of over 50000 cycles, making it particularly suitable for situations that require high mechanical lifespan and frequent operation. Maintenance free throughout the entire product lifespan
The specially designed permanent magnet mechanism has undergone theoretical calculations and multiple verifications and improvements through advanced software, and its output characteristics can well meet the requirements of vacuum arc chamber opening and closing.
The primary conductive part of the product adopts a fixed sealed pole design, with the inside of the fixed sealed pole made of epoxy resin and the outside made of silicone rubber. It has high insulation strength and also has good resistance to outdoor environments. It can resist aging, corrosion and ultraviolet rays, and is suitable for use in various outdoor environment conditions.
The shell is designed with full stainless steel or coated with outdoor paint. Can ensure long-term use outdoors without rusting.
7 products can be equipped with zero sequence current transformers to form ground fault protection in conjunction with the controller.
The 8 products are equipped with voltage sensors that can monitor the voltage of each pole and achieve zero sequence voltage detection to determine the direction of grounding faults.
9 companies have years of experience in designing and producing permanent magnet mechanisms and permanent magnet controllers, and possess core technologies in controllers and mechanisms. Can achieve perfect coordination between the mechanism and the controller.

Main technical parameters of ZW32-17.5 permanent magnet vacuum circuit breaker
The main technical parameters of the product are shown in Table 1.
Rated voltage kV 17.5
Rated insulation level 1 minute power frequency withstand voltage 42
Lightning impulse withstand voltage 75
3 rated frequency Hz 50
4 Rated current A 630 1250 1600 2000 2500 3150 4000
5 rated short-time withstand current kA 20, 25, 31.5, 40
6 rated peak withstand current 50, 63, 80, 100
7 rated short-circuit duration s 4
Rated power supply voltage V AV/DC 220 for 8-turn on/off devices and auxiliary circuits
9 rated short-circuit breaking current kA 20, 25, 31.5, 40
10 rated short-circuit closing current kA 50, 63, 80, 100
11 Rated operating sequence O-0.3s-CO-180s-CO
12 electric life E2 level
13 mechanical life cycles M2 level (50000)

[Outdoor vacuum circuit breaker]ZW7B-40.5 series outdoor high-voltage vacuum circuit breaker

2026-6-10 20:06:41

I. Overview
The ZW7B-40.5 series outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the "circuit breaker") is used in three-phase power systems with AC 50Hz and 40.5kV for the purpose of opening and closing load currents, overload currents, and short-circuit currents.

The ZW7B-40.5 series outdoor high-voltage vacuum circuit breaker meets the requirements of the national standard GBl984.2003 "AC High Voltage Circuit Breaker" and the International Electrotechnical Commission standard IEC56 "High Voltage AC Circuit Breaker".
The ZW7B-40.5 series outdoor high-voltage vacuum circuit breaker should meet the following environmental conditions when used:

Surrounding air temperature: upper limit+40 degrees, lower limit -40 degrees;
b. Altitude: �� 1000m (when exceeding 1000m, adjust electrical parameters according to the corresponding altitude coefficient;
c. Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s);
d. Seismic intensity: not exceeding 8 degrees;
e. Pollution level: Level III (anti pollution type up to Level IV).

[Outdoor vacuum circuit breaker]ZW51-12/D series outdoor pole mounted AC high-voltage vacuum circuit breaker

2026-6-10 20:06:32

I. Overview
ZW51-12/D series outdoor pole mounted AC high-voltage vacuum circuit breaker (hereinafter referred to as "circuit breaker") is a three-phase AC 50Hz outdoor distribution equipment with a rated voltage of 12kV. It is mainly used for breaking and closing load current, overload current, and short-circuit current in three-phase power systems. The product complies with the standard GBl984-2003 "AC High Voltage Circuit Breaker".

2�� ZW51-12/D series outdoor pole mounted AC high-voltage vacuum circuit breaker model and meaning
1. Surrounding air temperature: upper limit+40 ��, lower limit -30 degrees (general areas), -40 degrees (high-altitude areas)
2. Altitude: �� 1000m (if altitude i is too high, the rated insulation level will be correspondingly increased);
3. Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s);
4. Earthquake intensity: not exceeding 8 degrees;
5. Pollution level: Level IV;
6. Maximum daily temperature difference: not exceeding 25 degrees.

3�� Functional Features
The ZW51-12/D series outdoor column mounted AC high-voltage vacuum circuit breaker adopts outdoor epoxy casting technology, which integrates the vacuum arc extinguishing chamber and current transformer into an integrated solid insulation maintenance free phase column component, which is oil-free, gas free, and pollution-free.
2. Vertical phase separation layout, easy to install and adjust.
3. All stainless steel shell, no worries of corrosion.
4. Equipped with a permanent magnet actuator to meet the requirements of different occasions.
5. Equipped with an electronic control unit, it becomes an intelligent circuit breaker that can achieve "four remote" monitoring.
6. CT power supply, PT power supply, solar power supply, multiple power supply methods, safe and reliable.

ZW51-12/D series outdoor pole mounted AC high-voltage vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW20-12F Outdoor User Boundary Vacuum Circuit Breaker

2026-6-10 20:06:21

ZW20F-12/T630-20 high-voltage outdoor boundary vacuum circuit breaker is a user boundary switch independently developed by our company. It mainly consists of three parts: ZW20F-12 outdoor vacuum circuit breaker body, "type controller", and external power supply. The three are connected through control cables and have automatic fault detection, protection control, and communication functions. It can reliably detect short circuits, overcurrent, and single-phase grounding faults in the internal and external lines, and automatically relieve faulty lines and equipment.
ZW20F-12/T630-20 high-voltage outdoor boundary vacuum circuit breaker is an outdoor distribution equipment with a rated voltage of 12KV three-phase AC 50HZ. It adopts vacuum breaking and arc extinguishing and SFS gas insulation medium. The box adopts Toshiba's sealing, explosion-proof, and insulation technology, and is filled with zero pressure SFS gas inside, without leakage or external influence. This circuit breaker is a maintenance free, high-performance, and highly reliable new generation vacuum circuit breaker.
ZW20F-12/T630-20 high-voltage outdoor boundary vacuum circuit breaker is mainly used for power lines of 12KV and below,. As a function of line quick break protection, overcurrent protection, grounding protection, disconnection and closing of lines, it is suitable for power grid lines with neutral points not grounded, neutral points grounded through arc suppression coils, and neutral points grounded through low resistance.

Usage environment:
Environmental temperature: -40 �� -40 ��
Altitude: 1000m. For use in high-altitude areas, the external insulation performance needs to be improved
Wind speed: not exceeding 35m/s
Ice covered: Level 10

ZW20-22F Outdoor User Boundary Vacuum Circuit Breaker Technical Parameters

Composition of Control and Protection System

[Outdoor vacuum circuit breaker]ZW32M-12 type permanent magnet mechanism intelligent vacuum circuit breaker

2026-6-10 20:06:12

ZW32M-12 permanent magnet mechanism intelligent vacuum circuit breaker, (user boundary, branch switch)

Overview
New problems faced by the distribution network:
1. The failure rate of branch lines has significantly increased after the improvement of the main line;
2. Due to the failure of a single user on the branch line and improper protection coordination, the entire feeder line is affected by power outages and liability disputes arise;
3. The grounding selection device of the substation cannot meet the requirements of quickly finding grounding faults;
4. The delay caused by multi-level line protection deteriorates the operating environment of the power grid.
ZW32M-12 outdoor vacuum circuit breaker is an ideal equipment to solve the above problems.

Functional Features
Integrated zero sequence grounding protection: It has both zero sequence voltage and zero sequence current protection. When a single-phase grounding or phase to phase short circuit fault occurs in the user branch line, the boundary switch will automatically trip, without affecting the power supply of the substation to other branch lines on the feeder line;
Parameter settings: The overcurrent and quick break protection values are continuously adjustable, and various parameters can be set according to the condition of the line;
Vacuum permanent magnet switch: Compared with spring mechanism, it has the characteristics of simple structure, reliable action, and long service life;
Stainless steel casing: Made of stainless steel shell, with beautiful appearance and long service life;
Intelligent control device: integrating protection and control, it can read data, set parameters, and view operating status through GSM/GPRS remote communication, and can also be set locally, view parameters, and remotely operated through Bluetooth handheld devices;
Characterized by strong anti-interference ability and safe and reliable operation;
Cable connection with aviation plug: Various components are connected through aviation plug, which is simple, convenient, and easy to maintain;
GSM/GPRS wireless communication: Configuring the GSM/GPRS wireless communication module can transmit monitoring data to the power management center, achieving real-time data monitoring of user loads; Conveniently and quickly locate the fault point.

ZW32M-12 Circuit Breaker Outline Dimensional Drawing

ZW32M-12 Circuit Breaker Primary Schematic and Installation Diagram

ZW32M-12 Intelligent Vacuum Circuit Breaker with Permanent Magnet Mechanism

[Outdoor vacuum circuit breaker]ZW18-40.5 Outdoor vacuum circuit breaker

2026-6-10 20:06:03

ZW18-40.5 outdoor vacuum circuit breaker is suitable for control and protection switches in power plant substations and industrial and mining enterprises, especially for places with frequent operation. The circuit breaker adopts a spring energy storage operating mechanism, which has manual and electric energy storage and manual and electric opening and closing operation performance. The electric can be operated by DC or AC. The circuit breaker has extremely strong breaking capacity and reliable opening and closing operations.

Rated voltage: 40.5kV
Rated current: 1250A
Rated short-circuit breaking current: 31.5kA
Rated short-circuit closing current: 80kA
Mechanical lifespan: 10000 cycles

[Outdoor vacuum circuit breaker]ZW33-12/M Inflatable permanent magnet outdoor high-voltage AC vacuum circuit breaker

2026-6-10 20:05:54

ZW33-12/M inflatable permanent magnet outdoor high-voltage AC vacuum circuit breaker is currently the most advanced and reliable intelligent vacuum circuit breaker on the market. It is suitable for breaking and closing load current, overload current, and short-circuit current in AC 12kV, 50Hz three-phase power systems. It can be used as a section switch and substation inlet and outlet switch for urban and rural power distribution systems. It can also be combined with a microcomputer monitoring unit to form an automatic distribution system. With the help of an electronic controller, it can achieve recloser and distribution automation functions.

ZW33-12/M series products fully comply with national standards and relevant regulations such as GB1984-2003, GB3309-1989, GB/T11022-1999.
The ZW33-12/M series products have passed all type test projects of Xi'an High Voltage Apparatus Research Institute, fully ensuring the safe operation of the products.

[Outdoor vacuum circuit breaker]ZW24-40.5 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:05:46

ZW24-40.5 Outdoor High Voltage Vacuum Circuit Breaker Technical Parameters:

parameter name	unit	numerical value
rated voltage	kV	forty point five
Rated short-time power frequency withstand voltage (1min) (dry/wet)		95/85
Rated lightning impulse withstand voltage (peak)		one hundred and eighty-five
rated frequency	Hz	fifty
rated current	A	1250, 1600
Rated short-circuit breaking current	kA	twenty-five	thirty-one point five
Rated short-time withstand current		twenty-five		thirty-one point five
Rated peak withstand current		sixty-three		eighty
Rated short-circuit closing current		sixty-three		eighty
Rated earth fault breaking current for different phases		twenty-one point seven
Rated short-circuit duration	S	four
Rated short-circuit current breaking times	time	twenty
mechanical life		ten thousand
Allowable wear thickness of contacts	mm	three
Rated operating sequence		Min-0.3s - combined and separated
		-180s combined and separated

ZW24-40.5 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW50-40.5 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:05:37

The ZW50-40.5 series outdoor high-voltage vacuum circuit breaker is an outdoor distribution equipment with a rated voltage of 40.5kV and three-phase AC 50Hz. Suitable for protection and control in urban and rural power grids, and more suitable for places with frequent operations. The circuit breaker adopts a brand new miniaturized design, fully enclosed structure, and unique vacuum arc extinguishing chamber sealing technology, with good sealing performance, which helps to improve moisture-proof and anti condensation performance, and is suitable for use in high-temperature and humid areas. Unique structural design, the current transformer and circuit breaker are integrated, which can achieve measurement and protection functions. The closing and opening of the circuit breaker can be manually or electrically operated, and can also be remotely controlled.

Main technical parameters of ZW50-40.5 outdoor high-voltage vacuum circuit breaker

serial number	name	unit	Numerical value
one	rated voltage	kV	forty point five
two	1-minute rated power frequency withstand voltage	kV	Interphase, ground, fracture 95
three	Rated lightning impulse withstand voltage (peak value)	kV	Phase to phase, ground to ground, fracture 185
four	rated current	A	1600 2000
five	Rated short-circuit breaking current	kA	twenty-five
six	Rated short-time withstand current (4s)	kA	twenty-five
seven	Rated short-circuit closing current (peak)	kA	sixty-three
eight	Rated peak withstand current	kA	sixty-three
nine	Rated short-circuit breaking current breaking times	time	twenty
ten	mechanical life	time	ten thousand
eleven	Rated voltage of energy storage motor	V	DC220��110 AC220
twelve	Rated closing and opening operating voltage	V	DC220��110 AC220
thirteen	Rated current of closing electromagnet	A	1.69��DC220��
fourteen	Rated current of the opening electromagnet	A	2.2��DC220��
fifteen	Current ratio of current transformer	A	100/5��1600/5
sixteen	Rated current of overcurrent release device	A	five

[Outdoor vacuum circuit breaker]VHS3-12 series indoor high-voltage AC vacuum circuit breaker (permanent magnet mechanism)

2026-6-10 20:05:28

The VHS3-12 series permanent magnet operated circuit breaker is mainly used in 10kV three-phase power systems with a rated frequency of 50Hz. As a protective and control electrical device, its design meets the requirements of GB1984, JB/T3855, DL/T403, IEC62271-100 and other standards. The overall structure adopts the form of an operating mechanism box and a front and rear arrangement of the arc extinguishing chamber. The bistable permanent magnet operating mechanism is placed in the front mechanism box of the arc extinguishing chamber in a flat layout. Unlike the spring operating mechanism, it applies permanent magnets to the operating mechanism to maintain the opening and closing positions of the vacuum circuit breaker through permanent magnets, replacing traditional locking devices. The moving parts are minimal, reducing the source of faults and having high reliability. This series of circuit breakers is mainly used for mid mounted switchgear (KYN type) and can also be used for fixed switchgear (XGN type). It has wide compatibility and interchangeability, and can be easily interchanged with mainstream domestic circuit breakers in a handcart style.

The main technical performance of VHS3-12 series indoor high-voltage AC vacuum circuit breaker (permanent magnet mechanism) is as follows:

Rated voltage: 12kV
Rated current: 630A~1600A
Rated short-time (4s) withstand current: 20 kA to 31.5 kA
Rated short-time (60s) power frequency withstand voltage: 42 kV (universal value); 48 kV (isolated fracture)

[Outdoor vacuum circuit breaker]VHS2-12 series indoor high-voltage AC vacuum circuit breaker (solid sealed pole)

2026-6-10 20:05:20

The VHS2-12 series solid sealed circuit breaker is mainly used in 10kV three-phase power systems with a rated frequency of 50Hz, as a protective and control electrical device. Its design meets the requirements of standards such as GB1984, JB/T3855, DL/T403, IEC62271-100, etc. The overall structure adopts the form of an operating mechanism box and an arc extinguishing chamber arranged in front and behind. The main electrical circuit pole part adopts a fixed sealing insulation method, which is different from the insulation cylinder structure. It seals the vacuum arc extinguishing chamber and conductive connectors with epoxy resin through a special process to form the pole. This series of circuit breakers is mainly used for mid mounted switchgear (KYN type) and can also be used for fixed switchgear (XGN type). It has wide compatibility and interchangeability, and can be easily interchanged with mainstream domestic circuit breakers in a handcart style.

The main technical performance of VHS2-12 series indoor high-voltage AC vacuum circuit breaker (solid sealed pole) is as follows:

Rated voltage: 12 kV
Rated current: 630A~4000A
Rated short-time (4s) withstand current: 20 kA to 40 kA
Rated short-time (60s) power frequency withstand voltage: 42 kV (universal value); 48 kV (isolated fracture)

[Outdoor vacuum circuit breaker]ZN73(VS1)-24 series indoor high-voltage AC vacuum circuit breaker

2026-6-10 20:05:10

The ZN73 (VS1) -24 series circuit breakers are mainly used in power systems of 24kV and below, as protection and control for power grid equipment and power equipment in industrial and mining enterprises. The design meets the requirements of standards such as GB1984, JB/T3855, DL/T403, IEC62271-100, etc. The overall structure adopts the form of an operating mechanism box and a front and rear arrangement of the arc extinguishing chamber. The main electrical circuit part adopts an insulated cylinder three-phase floor structure. The electrical unit and the spring operating mechanism arranged on the plane are placed in the mechanism box in front of the arc extinguishing chamber, making the operating performance of the operating mechanism very close to the required performance of the arc extinguishing chamber opening and closing, ensuring the reliability of the circuit breaker operating performance.

[Outdoor vacuum circuit breaker]ZWC��-40.5/L1600A-31.5 Type Open Combination Electrical Appliance

2026-6-10 20:05:01

1.1 ZWC �� -40.5/L1600A-31.5 open combination electrical apparatus is a complete set of combination electrical apparatus that uses air as the external insulation SF6 gas as the arc extinguishing medium Control and protection of 40.5KV transmission and distribution system for three-phase AC, and can also be used for connecting circuit breakers and opening and closing capacitor banks Suitable for urban substations, enterprise substations, and mountainous substations with tight land use. This product has the following characteristics:

1) Organically combine circuit breakers, isolating switches, grounding switches, current transformers, voltage transformers, lightning arresters, fuses, busbars, and other components on a grounded steel structure bracket, resulting in a compact structure.
2) It occupies only 30% -50% of the space of the split type, and has significant characteristics such as saving land and reducing project costs.
3) The entire interval is prefabricated in the factory, assembled and debugged before leaving the factory, and transported to the installation site as a whole, greatly shortening the installation cycle.
4) Adopting fully validated high-performance arc extinguishing chambers, voltage transformers, composite insulator lightning arresters, and isolating switches, with minimal maintenance and high reliability.
5) The self-supporting busbar prefabricated in the partition factory does not require users to repair the structure.
6) Flexible layout and can be used for various wiring methods.
7) The circuit breaker can be lowered for maintenance or replacement as a whole, and the power outage time can be shortened to at least 3 hours due to body failure.
1.2 ZWC �� -40.5 with excellent configuration
1) Advanced self powered arc extinguishing chamber, with a breaking capacity of 31.5KA, a fully open breaking time of 3 cycles, a simple and reliable structure, and a full capacity breaking capacity of 20 times.
2) The CTB all spring operating mechanism meets the requirements of "oil-free" switches: excellent mechanical characteristics, compact structure, high reliability, and has obtained national patents and technology high-quality products.
3) All isolation switches use composite insulators, with a single arm swing structure that is simple and reliable; Adopting self operated graphite silver plated dispersed copper contact fingers, the structure has good stress performance, strong flow capacity, and maintenance free.
4) All exposed metal parts adopt the most advanced anti-corrosion technology to ensure that there is no corrosion for 20 years under general pollution conditions.
1.3 ZWC �� -40.5 shall comply with national standards GB1984-2003, GB11032-89, GB1985-2004, and meet the requirements of International Electrotechnical Commission standards IEC56, IEC99-4, IEC129, and IEC694. All other components inside meet their respective international requirements.

2 ZWC �� -40.5/L1600A-31.5 type open combination electrical apparatus structure and working principle
2.1 This product is an outdoor product and can also be used outdoors. The environmental conditions for use are as follows
a. Altitude: not exceeding 2000 meters (special orders are not limited)
b. Environmental temperature: -40 �� -+40 ��
c. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90% (25 ��)
d. Wind speed: not exceeding 35 meters per second
e. Pollution level IV, nominal creepage distance greater than 31mm/kv
f. No flammable, explosive, chemically corrosive, or violently vibrating environments
g. Seismic intensity: not exceeding 8 degrees
h. Ice thickness not exceeding 10mm

3.3 Current Transformer
0.5 (0.2) level current transformers can be used for measurement and have passed the measurement review. The protective transformer can provide signals for the secondary protection part.
1) Each circuit breaker can be equipped with 3-12 bushing type current transformers (hereinafter referred to as "transformers"), with 1-4 installed under each phase fracture. The winding is immersed in sulfur hexafluoride gas, and the conductive rod and lower support are the primary circuit. The transformer itself only has a circular iron core and a secondary circuit. The secondary circuit output is led to the outside through a well sealed terminal block. The terminal block and the connecting wire to the mechanism box are protected by a cover and steel pipe to prevent direct contact with the atmospheric environment.
2) There are two types of transformers: LR-35, for measurement purposes. LRB-35 type, with a rating of 10P, is used for ordinary protection or differential protection. Each specification has four connectors, which can obtain three current ratios. All output lines of the transformer are led to the panel inside the mechanism box, and users can easily change the current ratio. The technical parameters of the current transformer are shown in Table 3. If they exceed the requirements in the table, the user can negotiate with the manufacturer.
3) When the rated current exceeds 1600A, built-in current transformers cannot be installed.
4) The model and specifications of the transformer attached to the circuit breaker, the current ratio, and the tap connection are determined by the user according to their needs. Each unit is allocated according to the purchase contract when the product leaves the factory.
5) Arrangement of transformers in circuit breakers
The conduction of the transformer is introduced into the wiring board of the mechanism box through a good wiring board, with a wire area of 2.5mm2

[Outdoor vacuum circuit breaker]ZW37H-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:04:52

ZW37h-40.5 outdoor AC high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 40.5KV and three-phase AC 50HZ. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems
Suitable for protection and control of substations, industrial and mining enterprises, as well as regional and rural power grid automation distribution networks.
Through comprehensive type testing at Beijing Electric Power Research Institute, it meets the following standards:
GB/T1984 High Voltage AC Circuit Breakers
GB/T11022 Common Technical Requirements for High Voltage Switchgear and Control Equipment
D1402 Technical Conditions for Ordering AC Voltage Circuit Breakers

characteristic
Miniature vacuum arc extinguishing chamber: maximum reliability, long working life, encapsulated in epoxy resin;
Epoxy resin encapsulation: meets environmental requirements, has been widely validated for outdoor performance, ozone and ultraviolet resistance, is sturdy, lightweight, not easily brittle, and easy to transport;
Reasonable design structure:
Epoxy resin sleeve pillar porcelain bottle, with epoxy APG casting vacuum arc chamber on the upper part and pillar porcelain bottle on the lower part, with insulation rod inside. The three-phase pillar porcelain bottles are installed together on a mechanism box, and the dynamic end of the arc extinguishing chamber is connected to the output shaft of the mechanism through the insulation rod;
Safe and reliable, easy to debug and maintain;
The insulation rod at the vacuum arc extinguishing end is connected to the output shaft of the mechanism for direct movement, which is safe, reliable, and easy to debug and maintain. It has an automated power distribution interface: it can flexibly move and is equipped with remote auxiliary contacts to meet the requirements of power distribution automation;
High parameters and high performance: The rated current reaches 2000A, and the rated short-circuit breaking current is 31.5KA.

ZW37H-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker Main Technical Parameters

project		unit	parameter
rated voltage		kv	forty point five
rated current		a	630,1250,1600,2000
Rated short-circuit breaking current		ka	twenty	twenty-five	thirty-one point five
Rated short-circuit closing current (peak)		ka	fifty	sixty-three	eighty
Rated short-time withstand current		ka	twenty	twenty-five	thirty-one point five
Rated peak withstand current		ka	fifty	sixty-three	eighty
Rated short-circuit duration time		two	four
Rated insulation level	1-minute power frequency withstand voltage	kv	ninety-five
	Lightning impulse withstand voltage (peak value)		one hundred and eighty-five
Rated operating sequence			o-0.3s-co-180s-co
Rated short-circuit current breaking times		time	twenty
mechanical life		time	ten thousand
Rated operating voltage		v	220(dc,ac)

Note: When the product is used at an altitude exceeding 1000M, the insulation level shall be adjusted according to the corresponding correction factor.

Appearance and installation dimensions

[Outdoor vacuum circuit breaker]ZW32B-12 series column type outdoor high-voltage vacuum circuit breaker

2026-6-10 20:04:43

ZW32B-12 series column outdoor high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with three-phase AC 50Hz and rated voltage of 12KV. Suitable for breaking and closing load current, overload current, and short-circuit current of urban or rural distribution systems.
The circuit breaker is a brand new compact design. Fully enclosed structure, unique arc extinguishing chamber packaging technology, good sealing performance, moisture-proof, anti condensation, suitable for high temperature and humid areas. The ZW32B-12G circuit breaker isolation switch combination is composed of two main parts: ZW32B circuit breaker isolation switch.

Main technical parameters of ZW32B-12 series column outdoor high-voltage vacuum circuit breaker

serial number	parameter name		unit	ZW32B-12 /T400-12.5	ZW32B-12 /T630-16	ZW32B-12 /T630-20
one	rated voltage		KV	twelve
two	rated current		A	four hundred	six hundred and thirty	six hundred and thirty
three	Rated short-circuit breaking current		KA	twelve point five	sixteen	twenty
four	Rated short-circuit closing current (peak)			thirty-one point five	forty	fifty
five	Rated peak withstand current			thirty-one point five	forty	fifty
six	Rated short-time withstand current			twelve point five	sixteen	twenty
seven	Rated short-circuit duration		S	four
eight	Rated Absolute Edge level	1-minute power frequency withstand voltage	KV	Interphase, ground 42, fracture 48
		Lightning impulse withstand voltage (peak value)		Interphase, ground 72, fracture 75
nine	Rated operating sequence			Fen-0.3S-180S-Fen (electric mechanism)
ten	Rated short-circuit current breaking times		time	thirty
eleven	mechanical life			ten thousand
twelve	Rated operating voltage (switching coil)			A/DC220��110��DC24
thirteen	Allowable cumulative thickness of wear for dynamic and static contacts		V	three
fourteen	Rated current of overcurrent release device		mm	five
fifteen	Current ratio of current transformer		A	200/5, 400/5, 600/5
sixteen	Contact opening distance		mm	9±1
seventeen	Contact overtravel			2±0.5
eighteen	Average opening speed		m/s	1.2±0.3
nineteen	Average closing speed			0.6±0.2
twenty	Opening time		ms	20~40
twenty-one	closing time			30~60
twenty-two	Closing bounce time			��2
twenty-three	Synchronization of three-phase opening and closing
twenty-four	DC resistance of each phase circuit		�̦�	��80
twenty-five	energy storage motor	rated voltage	V	DC/220��110��24
		rated power	W	forty
		Energy storage time	S	��8
twenty-six	quality		kg	eighty-five

ZW32B-12 series column outdoor high-voltage vacuum circuit breaker, external installation dimensions

Note: The current transformer ratio can be selected according to customer requirements

[Outdoor vacuum circuit breaker]ZW43-12M Permanent magnet vacuum circuit breaker

2026-6-10 20:04:34

ZW43-12 (permanent magnet) vacuum circuit breaker has applied multiple patented technologies, making it have many advantages: no SF6, no oil, less environmental impact, and conducive to environmental protection; Small unit size, lightweight, and easy to install on columns; The intelligent control unit is compact and can be easily installed under the column. It can be equipped with a wireless remote control and can control the opening and closing of switches within a range of 100 meters; Suitable for on-site operation and remote control of urban and rural power grids; Except for replacing the battery every 5 years, the circuit breaker body is basically maintenance free for life.

Product features and reference standards
ZW43-12 (permanent magnet) vacuum circuit breaker is designed specifically to meet the needs of distribution network automation, and can achieve various measurement, protection, and control functions. Product fully sealed structural design; There are no additional insulation materials inside the shell except for the epoxy support; The casing is arranged horizontally, and the output and input ends are arranged horizontally, which is conducive to cable connection even when connected to overhead lines; The integral molding sleeve can ensure good air tightness. At 630A, the load shedding operation exceeded 30000 times, resulting in less maintenance workload. Cut off the rated short-circuit current of 20kA for more than 30 times. Configurable isolation knife switch, with obvious disconnection points, easy to maintain and safe.

The products shown in this manual comply with the following standards and specifications:
GB1984 "AC High Voltage Circuit Breakers"
GB11022 General Technical Conditions for High Voltage Switchgear
GB311.1 Insulation Coordination for High Voltage Transmission and Transformation Equipment
DL/T 593 "Technical Conditions for Common Ordering of High Voltage Switchgear"
DL/T 402 "Technical Conditions for Ordering AC High Voltage Circuit Breakers"
GB2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Electrical Appliances"
GB3309 "Mechanical Testing of High Voltage Switchgear at Room Temperature"
DL403 Technical Conditions for Ordering 10-35kV Indoor High Voltage Vacuum Circuit Breakers

[Outdoor vacuum circuit breaker]ALYC-220W Outdoor intelligent permanent magnet control device

2026-6-10 20:04:25

ALYC-220W Outdoor Intelligent Permanent Magnet Control Device

[Outdoor vacuum circuit breaker]ZW32-12G series column type outdoor vacuum circuit breaker isolation switch combination electrical appliance

2026-6-10 20:04:17

ZW32-12G series column outdoor high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with three-phase AC 50Hz and rated voltage of 12KV. Suitable for breaking and closing load current, overload current, and short-circuit current in urban or rural distribution systems.

Main technical parameters of ZW32-12G series column outdoor vacuum circuit breaker isolation switch combination electrical device

ZW32-12G series column outdoor vacuum circuit breaker isolation switch combination electrical device

[Outdoor vacuum circuit breaker]ZW14A-12 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:04:08

ZW14A-12 outdoor high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 12kV and three-phase AC 50Hz.

The operating mechanism dedicated to the integration of ZW14A-12 outdoor high-voltage vacuum circuit breaker mechanism and switch is spring energy storage, which can be operated by AC/DC energy storage or manually operated.
This circuit breaker has a simple structure, strong breaking capacity, long service life, complete operating functions, no explosion hazard, and easy maintenance. It is mainly suitable for 12kV systems in rural and urban power grids, and is used for dividing and combining load currents, overload currents, and short-circuit currents. It can also be used in other similar places.

Table 1

serial number	name					unit	data
one	rated voltage					kV	twelve
two	Rated insulation level	1-minute power frequency pressure resistance			Dry test		forty-two
					Wet test		thirty-four
		Lightning impulse withstand voltage (peak value)					seventy-five
three	rated current					A	six hundred and thirty
four	Rated short-circuit breaking current					kA	12.5 16 20
five	Rated operating sequence						Fen-0.3S-180S-Fen
six	Rated short-circuit breaking current breaking times					time	thirty
seven	Rated short-circuit closing current (peak)					kA	fifty
eight	Rated peak withstand current
nine	Rated short-time withstand current					kA	twenty
ten	Rated short-circuit duration					S	four
twelve	closing time					S	�� 0.06
thirteen	Total breaking time						�� 0.10
fourteen	mechanical life					time	ten thousand
fifteen	Rated input power of energy storage electric machinery					W	�� 250
sixteen	Rated operating voltage			closing coil		V	DC220	AC220
				trip coil
seventeen	Rated voltage of energy storage motor
eighteen	Rated operating current		closing coil			A	one point one one	one point one
			trip coil				zero point five one	zero point five
nineteen	Energy storage time at rated voltage					S	�� 10
twenty	Rated current of overcurrent release device					A	five
twenty-one	weight					kg	About 130

ZW14A-12 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW8-12T-630-20 outdoor vacuum circuit breaker

2026-6-10 20:03:58

ZW8-12T-630-20 Outdoor Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]FDZ32-12 series outdoor high-pressure vacuum automatic sectionalizer

2026-6-10 20:03:50

The FDZ32-12 series outdoor high-voltage vacuum automatic sectionalizer (hereinafter referred to as the sectionalizer) is used for 50Hz, 12kV three-phase distribution networks and is an intelligent switchgear. This segmenter, when used in conjunction with a recloser, can independently handle faults in the distribution network without relying on other control systems, and can minimize the area of power outages caused by faults. This product consists of a segmenter body and an electronic controller. The main body of the sectionalizer is an outdoor vacuum circuit breaker, which can be used to open and close load currents, circulating currents in the ring network, inductive currents of no-load transformers, and capacitive currents of capacitor banks (or cable lines); It can also close the short-circuit current and withstand the electric and thermal effects caused by short-circuit current. The incoming end of the segmenter body is equipped with a current transformer, which provides source information for the operation of the controller. The primary current of the current transformer can be made into 50-630A according to the user's requirements; the secondary current can be made into 5A or 1A.

During the period when a short circuit fault occurs in the distribution line and the recloser performs multiple reclosures in a predetermined manner, the electronic controller of the segmenter can remember the number of short-circuit currents passing through it. When the number of short-circuit currents passing through it reaches the set value, the segmenter automatically opens within the reclosing interval of the recloser without current or voltage, isolating the line that has experienced permanent faults. When the intact line continues to supply power, the isolation switch of this segmenter will automatically open, which not only reduces the range of power outages and avoids the extension and expansion of faults, but also marks the section where the fault occurred, providing convenience for searching for the fault point and shortening the power outage time. The main body of the segmenter is operated by a spring mechanism, which can be closed by storing energy with an electric motor (or human) and opened by an electromagnet (or human). The segmenter adopts a vacuum arc extinguishing device, with long electrical life, maintenance free, no explosion or fire hazard. Its overall layout is a floor standing pillar type, using an air silicone rubber composite insulation structure, light weight, small size, and suitable for installation on the pillar The power supply of the controller of the segmenter is installed separately from the main body.

[Outdoor vacuum circuit breaker]ZWM8-12/630 Type Permanent Magnet Outdoor High Voltage Column Dry Vacuum Circuit Breaker

2026-6-10 20:03:41

ZWM8-12/630 permanent magnet outdoor high-voltage vacuum column dry-type circuit breaker (hereinafter referred to as the circuit breaker) is a control and protection equipment in the rated voltage 12KV, 50HZ AC three-phase high-voltage distribution network.

ZWM8-12/630 permanent magnet outdoor high-voltage column dry vacuum circuit breaker is mainly used for breaking and closing load current, overload current, and short-circuit current in power lines. Suitable for protection and control in power distribution systems of substations and industrial and mining enterprises. This circuit breaker adopts a column type, dry-type structure, with reliable insulation, long electrical life, and maintenance free, especially suitable for the requirements of frequent operating places. It is more suitable for installation and use in rural power grids with weak maintenance and repair capabilities. Complies with the requirements of GB1984 AC High Voltage Circuit Breakers, GB1985 AC High Voltage Disconnectors and Grounding Switches, DL/T402, DL/T4.3, and enterprise standard OHX.520.701.

[Outdoor vacuum circuit breaker]ZWM9-12/630 Type Permanent Magnet Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 20:03:33

ZWM9-12/630 permanent magnet outdoor high-voltage vacuum column dry-type circuit breaker (hereinafter referred to as the circuit breaker) is a control and protection equipment in the rated voltage 12KV, 50HZ AC three-phase high-voltage distribution network. Mainly used for breaking and closing load current, overload current, and short-circuit current in power lines. Suitable for protection and control in power distribution systems of substations and industrial and mining enterprises. This circuit breaker adopts a column type, dry-type structure, with reliable insulation, long electrical life, and maintenance free, especially suitable for the requirements of frequent operating places. It is more suitable for installation and use in rural power grids with weak maintenance and repair capabilities. Complies with the requirements of GB1984 AC High Voltage Circuit Breakers, GB1985 AC High Voltage Disconnectors and Grounding Switches, DL/T402, DL/T4.3, and enterprise standard OHX.520.701.

[Outdoor vacuum circuit breaker]ZW8-12/C Intelligent outdoor high-voltage vacuum circuit breaker

2026-6-10 20:03:24

ZW8-12/C (ZW8-12-C) intelligent outdoor high-voltage vacuum circuit breaker (hereinafter referred to as intelligent circuit breaker) is used in AC 50Hz, voltage 10-12 kV local phase power systems, as a means of breaking and closing load currents. It has overload and short circuit protection functions, quick break protection functions, definite time delay protection functions, automatic reclosing functions, and can also be equipped with lightning arresters or isolation switches (i.e. circuit breaker and isolation switch combination, hereinafter referred to as "combined intelligent circuit breaker") according to user needs. This intelligent circuit breaker comes with its own power supply, can be remotely operated nearby, and is equipped with CT and PT interfaces to meet telemetry requirements.

Use environmental conditions Service conditions
*Surrounding temperature: -30 ��~+40 ��;
*Altitude: �� 1000m (if altitude needs to be increased, the rated insulation level should be correspondingly increased)
*Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s);
*Amplitude: The seismic intensity does not exceed level 8;
*Pollution level: Level III;
*Maximum daily temperature difference: not exceeding 25 ��

ZW8-12-C Intelligent Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ISM1-12 type permanent magnet vacuum circuit breaker

2026-6-10 20:03:15

ISM1-12 permanent magnet vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW8M-12/630 type intelligent outdoor permanent magnet vacuum circuit breaker

2026-6-10 20:03:07

[Outdoor vacuum circuit breaker]ZW32Y-12 type intelligent outdoor permanent magnet vacuum circuit breaker

2026-6-10 20:02:57

ZW32Y-12 Intelligent Outdoor Permanent Magnet Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW32-24 series column mounted vacuum circuit breaker

2026-6-10 20:02:49

ZW32M-24 (permanent magnet) vacuum circuit breaker is a combination series product: a combination isolation switch can be optionally selected to provide a visible break for line maintenance; The circuit breaker is equipped with a permanent magnet operating mechanism, which forms the best cooperation with the vacuum arc extinguishing chamber to complete the operation function, and the closing and opening actions are stable and reliable; The entire product design is advanced and reasonable, with a compact structure, a completely sealed box, no condensation inside, no rust on the components, and greatly improved switch reliability; By adopting a new composite solid insulation structure, the vacuum arc extinguishing chamber, main electrical circuit, insulation support, etc. are organically combined into an integrated solid sealed pole, completely solving the contradiction between miniaturization of the vacuum arc extinguishing chamber and meeting external insulation requirements; The casing is arranged horizontally, and the output and input ends are arranged horizontally, which is conducive to cable connection even when connected to overhead lines; The optional isolation switch is equipped with a manual operating mechanism, which forms a mechanical anti misoperation lock; The casing of the circuit breaker is available in two options: stainless steel and ordinary steel plate treated with Dacromet rust prevention, which can achieve a lifespan of 10 years without the need for paint maintenance; The power system within the intelligent control unit ensures at least 24 hours of continuous battery power supply in the event of system power failure, and can control the switch to perform reliable actions.

Due to the application of multiple patented technologies, ZW32M-24 (permanent magnet) vacuum circuit breaker has many advantages: no SF6, no oil, less environmental impact, and conducive to environmental protection; Small unit size, lightweight, and easy to install on columns; The intelligent control unit is compact and can be easily installed under the column. It can be equipped with a wireless remote control and can control the opening and closing of switches within a range of 100 meters; Suitable for on-site operation and remote control of urban and rural power grids; Except for replacing the battery every 5 years, the circuit breaker body is basically maintenance free for life.
Chapter 2 Product Features and Reference Standards

ZW32M-24 (permanent magnet) vacuum circuit breaker integrates microprocessor technology, modern network communication technology, and new switch manufacturing technology. It is designed specifically to meet the needs of distribution network automation and can achieve various measurement, protection, and control functions.
Compared to traditional electrical devices, it has the following characteristics: (1) good performance and high reliability; (2) Hardware and software transformation; (3) Equipped with online monitoring and self diagnostic functions; (4) Adapt to harsh environments and operate safely and reliably within the temperature range of -40 �� to+85 ��.
It has powerful communication processing capabilities: RS-232 interface enables local parameter setting and programming; Through RS-485 interface LonWorks�� Optical modems and fiber optic Ethernet enable system networking and remote data transmission functions.

Product fully sealed structural design; There are no additional insulation materials inside the shell except for the epoxy support; The casing is arranged horizontally, and the output and input ends are arranged horizontally, which is conducive to cable connection even when connected to overhead lines; The integral molding sleeve can ensure good air tightness.
At 630A, the load shedding operation exceeded 30000 times, resulting in less maintenance workload. Cut off the rated short-circuit current of 20kA for more than 30 times.
Configurable isolation knife switch, with obvious disconnection points, easy to maintain and safe.

The products shown in this manual comply with the following standards and specifications:
GB1984 "AC High Voltage Circuit Breakers"
GB11022 General Technical Conditions for High Voltage Switchgear
GB311.1 Insulation Coordination for High Voltage Transmission and Transformation Equipment
DL/T 593 "Technical Conditions for Common Ordering of High Voltage Switchgear"
DL/T 402 "Technical Conditions for Ordering AC High Voltage Circuit Breakers"
GB2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Electrical Appliances"
GB3309 "Mechanical Testing of High Voltage Switchgear at Room Temperature"
DL403 Technical Conditions for Ordering 10-35kV Indoor High Voltage Vacuum Circuit Breakers
GB/T13729-1992 "General Technical Conditions for Remote Control Terminals"
GB/T15153.2 "Working conditions and environmental conditions for remote control equipment and systems" (idt IEC870-2-2:1996)
GB/T15153.1-1998 "Remote Control Equipment and Systems Part 2: Working Conditions" (idt IEC870-2-1:1995)
DL/T630-1997 Technical Conditions for AC Sampling Remote Control Terminals
GB/T17626.4-1998 "Electromagnetic compatibility: Testing and measurement techniques, fast transient burst immunity test" (idt IEC61000-4-4:1995)
IEC61334-5-1��1999��Distribution Automation using distribution line carrier systems Communication Protocols��

Usage conditions:
Surrounding air temperature: -40 ��~+55 ��, daily temperature difference: daily variation of 25 ��;
Altitude: not exceeding 2000 meters;
Wind speed: not exceeding 35 m/s;
No frequent severe vibrations;
Places without strong corrosive gases or media (such as various acids, alkalis, thick smoke, etc.);
Anti pollution ability level IV;
Storage temperature -40 ��~+85 ��;

[Outdoor vacuum circuit breaker]ZW8-40.5/1600-25(20,30.5) Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:02:39

ZW8-40.5/1600-25 (20,30.55) outdoor AC high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is used in three-phase power systems with AC 50Hz, as a switch for load current, overload current, and short-circuit current. The overall structure of this product is a pillar type ceramic bottle. The upper ceramic bottle is an arc extinguishing chamber ceramic bottle, which is equipped with a vacuum arc extinguishing chamber, and the lower ceramic bottle is a pillar ceramic bottle. The three-phase ceramic bottles are installed together in a mechanism box. The moving end of the arc extinguishing chamber is connected to the output shaft of the electromagnetic mechanism through a crank arm insulation rod. The connecting rod between the mechanism and the circuit breaker is installed in a waterproof box.

Technical parameters of ZW8-40.5/1600-25 (20,30.5) outdoor AC high-voltage vacuum circuit breaker:

serial number	project			unit	data
one	rated voltage			kV	forty point five
two	rated insulation level	1min power frequency withstand voltage	Dry test	KV	ninety-five
			wet test		eighty
		Lightning impulse withstand voltage (peak value)			one hundred and eighty-five
three	rated current			A	one thousand and six hundred
four	Rated short-circuit breaking current			kA	20 25 31.5
five	Rated operation sequence				Split -0.3s - Split -180s - Split - Split
six	Rated breaking current of capacitor bank			A	four hundred
seven	Rated short-circuit breaking current breaking times			time	twelve
eight	Rated short-circuit closing current (peak)			kA	50 63 80
nine	Rated peak withstand current
ten	Rated short-time withstand current				20 25 31.5
eleven	Rated short-circuit duration			S	four
twelve	Total breaking time			ms	�� 80
thirteen	mechanical life			time	ten thousand
fourteen	Rated operating voltage and rated voltage of auxiliary circuit			V	AC, DC 220V, 110V
fifteen	Rated operating current (closing) electromagnetic mechanism			A	147(220V), 294(110V)
sixteen	Allowable wear thickness of dynamic and static contacts			mm	three
seventeen	weight			kg	eight hundred

ZW8-40.5/1600-25 (20,30.5) Outdoor AC High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW6-630/20 Cable distribution box circuit breaker

2026-6-10 20:02:31

ZW6-630/20 cable junction box circuit breaker

[Outdoor vacuum circuit breaker]ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife)

2026-6-10 20:02:22

ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife)

I. Overview
ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage switchgear. Mainly used for 10KV systems in rural and urban power grids, it is only used for dividing and combining load currents, overload currents, and short-circuit currents, and can also be used in other similar places.

2�� Main technical parameters

serial number	project		unit	parameter
one	rated voltage		KV	twelve
two	rated current		A	six hundred and thirty
three	Power frequency withstand voltage (1min)		KV	forty-two
four	Lightning impulse withstand voltage (peak value)		KV	seventy-five
five	Rated short-circuit breaking current		KA	twenty
six	Rated short-circuit closing current		KA	fifty
seven	Rated peak withstand current		KA	fifty
eight	4S short-time withstand current		KA	twenty
nine	Rated operating sequence		KA	Fen-0.3S-180S-HeFen
ten	Rated short-circuit current breaking times		time	thirty
eleven	mechanical life		time	ten thousand
twelve	Rated voltage of energy storage motor		V	-24, -48 �� 10, �� 220
thirteen	Rated operating voltage (Equipped with CT type spring operating mechanism)	Opening coil and closing coil	V	-24, -36, -48 �� 10, �� 220
fourteen	Rated current of overcurrent release device		A	five
fifteen	Allowable wear thickness of dynamic and static contacts		mm	three
sixteen	weight		kg	one hundred and sixty-five

3�� Ordering Notice
Please specify when placing an order
The model, name, quantity, breaking current, current ratio of the equipped current transformer, operating mode, and usage scenario of the product.

4�� ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife) installation size: 500 × 400

[Outdoor vacuum circuit breaker]ZW-24 Outdoor high-voltage vacuum circuit breaker

2026-6-10 20:02:13

Rated parameters of ZW-24 outdoor high-voltage vacuum circuit breaker

serial number	parameter name	unit	rated value
one	rated voltage	KV	twenty-four
two	Rated insulation level		one hundred and twenty-five
	a. Lightning impulse withstand voltage (peak value)	KV	one hundred and twenty-five
	b. Short time (1-minute) power frequency dry test withstand voltage	KV	sixty-five
	c. Short time (1-minute) power frequency dry test withstand voltage	KV	fifty
three	rated frequency	HZ	fifty
four	rated current	A	six hundred and thirty
five	Rated short-circuit breaking current (effective value)	KA	twenty
six	The specified value of expected transient recovery voltage	KV	41/44
seven	Rated operating sequence		Fen-0.3S-180S-Fen
eight	Rated short-circuit closing current (peak)	KA	fifty
nine	Rated short-time withstand current	KA	twenty
ten	Rated short-circuit duration	S	two
eleven	Rated peak withstand current	KA	fifty
twelve	Rated operating voltage of the operating mechanism	V	AC or DC 220
thirteen	Rated short-circuit current breaking times	time	twenty
fourteen	Overcurrent release current	A	5±0.2
fifteen	mechanical life	time	ten thousand

ZW-24 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW43-12 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:02:04

ZW43-12 outdoor AC high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor distribution equipment with a rated voltage of 12KV and three-phase AC 50Hz. Mainly used for breaking and closing load current, overload current, and short-circuit current in electronic systems. Suitable for protection and control in substations and distribution systems of industrial and mining enterprises, as well as places with frequent operation of rural power grids. It can also operate the segmented switch of the power grid, and after installing a controller, it can achieve distribution network automation.

ZW43-12 Outdoor AC High Voltage Vacuum Circuit Breaker Main Technical Parameters

serial number	project	unit	parameter
one	rated voltage	KV	twelve
two	rated frequency	Hz	fifty
three	rated current	A	six hundred and thirty
four	Rated short-circuit breaking current	KA	twenty
five	Rated peak withstand current (peak)	KA	fifty
six	Rated short-term durability current	KA	twenty
seven	Rated short-circuit closing current (peak)	KA	fifty
eight	mechanical life	time	ten thousand
nine	Rated short-circuit breaking current breaking times	time	thirty
ten	Power frequency withstand voltage (1min): (wet) (dry) phase to phase, ground/fracture	KV	30/42/48
eleven	Lightning impulse withstand current (peak value) phase to phase, ground/fracture	KV	75/85
twelve	Secondary circuit 1-minute power frequency withstand voltage	KV	two

serial number	project	unit	parameter
one	Contact opening distance	mm	9±1
two	Contact overtravel	mm	2±0.5
three	Opening speed	m/s	1.0±0.2
four	closing speed	m/s	0.6±0.2
five	Contact closing bounce time	ms	��2
six	Center distance between phases	mm	340±1.5
seven	Three phase opening and closing asynchrony	ms	��2
eight	Resistance of each phase conductive circuit	�̦�	��80
nine	closing time	ms	25~45
ten	Opening time	ms	23~45

ZW43-12 Outdoor AC High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW39-40.5 series outdoor high-voltage AC vacuum circuit breaker

2026-6-10 20:01:56

ZW39-40.5 outdoor high-voltage AC vacuum circuit breaker is suitable for use in AC 40.5kV, 50Hz three-phase power systems for control and protection in industrial and mining enterprises, power plants, and substations. This product can be operated frequently and can also be used as a contact circuit breaker.
Main characteristics of circuit breakers
ZW39-40.5W/T2000-31.5 outdoor vacuum circuit breaker solves the major problem of internal condensation and moisture absorption caused by temperature and humidity changes in similar domestic products, which leads to a decrease in insulation strength, as well as the problem of aging due to exposed insulation rods. It strengthens the insulation strength of the inner surface of the sleeve and insulation components. In addition, the circuit breaker also has the following characteristics:
The preferred contact material for the vacuum arc extinguishing chamber ensures that the average small current interruption value is below 4A, effectively suppressing operational overvoltage.
The circuit breaker has strong breaking capacity, with a breaking short-circuit current of 31.5kA for 30 times.
Adopting the CT10A improved mechanism with reliable performance, it can operate frequently and has a lifespan of up to 10000 times.
This product can adapt to environmental requirements at an altitude of 3000 meters and has a high level of external insulation.
Circuit breakers can be equipped with internal or external transformers:
Each phase of the circuit breaker can be equipped with 4 internal current transformers. The iron core of the internal current transformer is made of microcrystalline alloy and high magnetic conductivity material. The accuracy of current transformers with 200A and above can reach 0.2 level and 0.2S level. The overall structure of the circuit breaker is compact, and the wrapping process of the secondary winding of the transformer has been fully optimized. Fully ensure that the shape of the transformer coil after wrapping is regular, without burrs, and does not loosen during drying. After being installed in the host, there is no deformation, and the electric field is uniform.
This product is filled with slightly positive pressure SF6 gas (without internal CT: 0.02MPa, internal CT: 0.2MPa) in the vacuum arc extinguishing chamber and porcelain sleeve, ensuring that condensation and moisture absorption will not occur inside. At the same time, it can avoid defects such as bubbles, penetrating discharge, and difficulty in maintenance and repair caused by filling organic insulation materials inside the original ZW7 series products.
The main secondary electrical components are selected from high-quality products with high operational reliability.
The surface treatment of exposed parts of the product is hot-dip galvanized or directly made of high-quality stainless steel sheet, with superior corrosion resistance.
This product can directly replace the SW2-35 type low oil circuit breaker (with the same installation size), and with a transition bracket, it can replace various types of multi oil circuit breakers, making it an ideal oil-free circuit breaker.

3 Main Technical Parameters

Preface number	Project			Unit	Parameters
one	rated voltage			kV	forty point five
two	1-minute power frequency withstand voltage (Fracture/phase to phase, to ground)				(95+23)/95 * (dry test)
					85 * (wet test)
three	Rated lightning impulse withstand voltage (peak) (fracture/phase to phase, to ground)				��185+30��/185*
four	rated current			A	two thousand
five	Rated short-circuit breaking current			kA	thirty-one point five
six	Rated short-time withstand current				thirty-one point five
seven	Rated short-circuit closing current (peak)				eighty
eight	Rated peak withstand current				eighty
nine	Rated out of step breaking current				eight
ten	Grounding fault breaking current of different phases				twenty-seven point four
eleven	Rated short-circuit duration			S	four
twelve	Rated short-circuit breaking current breaking times			time	thirty
thirteen	Rated breaking current of a single capacitor bank			A	six hundred and thirty
fourteen	Rated operating sequence				O-0.3s-CO-180s-CO
fifteen	mechanical life			time	ten thousand
seventeen	Vacuum interrupter Vacuum degree of (TD-40.5/2000-31.5W)	Newly manufactured arc extinguishing chamber		Pa	��1.33×10-3
		Within the 20-year storage period		Pa	��6.6×10-2
eighteen	Weight of circuit breaker			kg	750 (no CT, attached CT) 1000 (with CT)
nineteen	Rated inflation pressure (20 ��)			MPa	0.02 (no CT, external CT)/0.2 (internal CT)
twenty	SF6 gas replenishment alarm pressure (20 ��)			MPa	0.15 (with attached CT)
twenty-one	Moisture content of SF6 gas				�� 250 × 10-6 (CT included)
twenty-two	External insulation creepage distance		fracture	mm	��1255
			to the ground		��1255

Note: The * value represents the external insulation level of the product, which is adjusted according to an altitude of 3000m during testing. The three values are 122kV, 109 kV, and 237 kV, respectively.

4. Ordering Notice
Circuit breaker model and specifications;
Rated electrical parameters (voltage, current, breaking current, etc.);
Operating voltage of the operating mechanism and motor voltage;
The quantity, current ratio, level combination, secondary load, and installation location of the attached current transformers;
Names and quantities of spare parts, specialized tools, and equipment (to be ordered separately).
5. Outline and installation dimension diagram

ZW39-40.5 series outdoor high-voltage AC vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW30-40.5 Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 20:01:47

ZW30-40.5 series outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz high-voltage switchgear mainly used for control and protection of 40.5KV power transmission and transformation systems. It can also be used for normal operation and short-circuit protection of multiple power grids and industrial and mining enterprises, and can be used as a connecting circuit breaker and for opening and closing capacitor groups.

ZW30-40.5 outdoor high-voltage vacuum circuit breaker is equipped with CT17-IVB spring energy storage operating mechanism, which can remotely control electric energy storage, electric opening and closing operations, as well as on-site manual energy storage, manual opening and closing operations.
Advantages:
Three column structure, small footprint, small volume, and light weight;
It can carry 6 outdoor current transformers, and the measurement accuracy of the transformers can reach 0.2 and 0.2S levels, and the protection accuracy can be 5P and 10P levels;
Can avoid the trouble of disassembling the circuit breaker when the current transformer fails;
The creepage distance of porcelain bottles is 3.1 cm/kV, suitable for any area with an altitude of 3000 meters (Class II polluted area) or 1000 meters (Class IV polluted area) and below.

Mechanical characteristic parameters of ZW30-40.5 outdoor high-voltage vacuum circuit breaker:

serial number	name	unit	data
one	Contact switch	mm	20±2
two	overstroke		4±1
three	Allowable wear thickness of contacts		three
four	Average opening speed (0-12mm before contact buffer)	m/s	1.85-2.15	Measure at the pivot of the base
five	Average closing speed (full stroke 20mm)		0.7-1.0
six	Contact closing bounce time	ms	��3
seven	Three phase asynchronous disconnection		��2
eight	Three phase closing asynchrony		��2
nine	closing time		45-100
ten	Opening time		35-65
eleven	Resistance of each conductive circuit	�̦�	��40
twelve	Interphase center distance	mm	750±3

Product Technical Parameters:

parameter item		Product model
		ZW30-40.5
Rated voltage (kV)		forty point five
Rated current (A)		two thousand
Rated insulation level (kV)	Lightning impulse withstand voltage	one hundred and eighty-five
	power frequency withstand voltage	ninety-five
Rated short-time withstand current/rated short-circuit breaking current (kA)		25 31.5
Rated peak withstand current/rated short-circuit closing current (kA)		eighty
Open and close the current of a single capacitor bank (A)		six hundred and thirty
Rated out of step breaking current (kA)		eight
Rated operating sequence		Min-0.3s HeFen-180s HeFen
Accumulated breaking times under rated short-circuit breaking current (times)		twenty
Mechanical lifespan (times)		ten thousand
Rated short-circuit duration (s)		four
Leakage rate%/year		��1
Rated pressure of sulfur hexafluoride gas (pressure gauge at 20 ��)		0.02 MPa
Weight (kg)	Circuit breaker body	seven hundred and fifty
	Sulfur hexafluoride gas	zero point zero eight

ZW30-40.5 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW38-12 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:01:38

ZW38-12 outdoor AC high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor distribution equipment with a rated voltage of 12KV and three-phase AC 50Hz. Mainly used for opening and closing electronic systems
Load current, overload current, and short-circuit current. Suitable for protection and control in substations and distribution systems of industrial and mining enterprises, as well as places with frequent operation of rural power grids. It can also operate the segmented switch of the power grid, and after installing a controller, it can achieve distribution network automation.

Main Technical Parameters of ZW38-12 Outdoor AC High Voltage Vacuum Circuit Breaker

serial number	project	unit	parameter
one	rated voltage	KV	twelve
two	rated frequency	Hz	fifty
three	rated current	A	six hundred and thirty
four	Rated short-circuit breaking current	KA	twenty
five	Rated peak withstand current (peak)	KA	fifty
six	Rated short-term durability current	KA	twenty
seven	Rated short-circuit closing current (peak)	KA	fifty
eight	mechanical life	time	ten thousand
nine	Rated short-circuit breaking current breaking times	time	thirty
ten	Power frequency withstand voltage (1min): (wet) (dry) phase to phase, ground/fracture	KV	30/42/48
eleven	Lightning impulse withstand current (peak value) phase to phase, ground/fracture	KV	75/85
twelve	Secondary circuit 1-minute power frequency withstand voltage	KV	two

serial number	project	unit	parameter
one	Contact opening distance	mm	9±1
two	Contact overtravel	mm	2±0.5
three	Opening speed	m/s	1.0±0.2
four	closing speed	m/s	0.6±0.2
five	Contact closing bounce time	ms	��2
six	Center distance between phases	mm	340±1.5
seven	Three phase opening and closing asynchrony	ms	��2
eight	Resistance of each phase conductive circuit	�̦�	��80
nine	closing time	ms	25~45
ten	Opening time	ms	23~45

[Outdoor vacuum circuit breaker]ZW38-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:01:30

ZW38-40.5 elevated porcelain column outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz high-voltage switchgear mainly used for control and protection of 40.5kV transmission and transformation systems. It can also be used for normal operation and short-circuit protection of urban and rural power grids and industrial and mining enterprises, and can be used as a connecting circuit breaker and opening and closing capacitor group.
This product is equipped with CT19-IVB spring energy storage operating mechanism, which can remotely control electric energy storage, electric opening and closing operations, as well as on-site manual energy storage, manual opening and closing operations.

Main features of ZW38-40.5 outdoor AC high-voltage vacuum circuit breaker

The vacuum arc extinguishing chamber with ceramic shell is placed inside a ceramic sleeve filled with 0.02/0.2MPa (without CT/with CT) SF6 gas at 20 ��, which can avoid the influence of external environment and is oil-free and resistant
Pollution, anti condensation, high breaking current, long electrical life. At rated voltage, the short-circuit current of 31.5kA can be continuously broken for 20 times, and the rated current is 2000A. The mechanical reliability is superior, with a mechanical life of 10000 times and the ability to operate frequently. According to user requirements, each product can be equipped with 6-12 current transformers.
The design performance of this product meets the requirements of the national standard GB1984 "AC High Voltage Circuit Breaker" and the requirements of the International Electrotechnical Commission standard IEC56 "High Voltage AC Circuit Breaker", and has a structure
Simple, small in size, and easy to install and maintain.

Environmental conditions for use
Environmental temperature: maximum temperature+40 ��; The minimum temperature is -30 ��.
Relative humidity: Daily average relative humidity �� 90%; Monthly average relative humidity �� 95%.
Altitude: Under normal usage conditions, the altitude should not exceed 1000m (referred to as flat prototype); Special usage conditions: altitude not exceeding 3000m (referred to as high prototype); The wind speed does not exceed 34m/s (corresponding to 700Pa on the surface of the cylinder); The seismic intensity shall not exceed 8 degrees (horizontal acceleration 0.25g, vertical acceleration 0.125g);
Air pollution level: Level IV; Minimum nominal creepage distance: 31mm/kV.

Main technical parameters of ZW38-40.5 outdoor AC high-voltage vacuum circuit breaker

Project Name	data
Rated voltage (kV)	forty point five
Rated current (A)	two thousand
Rated short-circuit breaking current (kA)	thirty-one point five
Rated short-circuit closing current (kA)	eighty
Rated short-circuit breaking current breaking times (times)	twenty
Rated out of step breaking current (kA)	eight
Breaking current of out of phase ground fault (kA)	twenty-seven point four
Rated operating sequence	Min-0.3s HeFen-180s HeFen
Rated short-circuit duration (s)	four
Rated short-time withstand current (kA)	thirty-one point five
Rated peak withstand current (kA)	eighty
Opening time (ms)	3.-65
Closing time (ms)	40-100
Average closing speed (m/s)	1.0±0.35
Average opening speed (m/s)	2.0±0.35
Contact closing bounce time (ms)	��8
Synchronization of three pole opening and closing (ms)	��3
Rated inflation pressure of SF6 gas (Mpa)	(Without CT) 0.02	(with CT) 0.2
Circuit breaker weight (kg)	(without CT) 750	1000/1150/1300 (6 CT/9 CT/12 CT)
Note: The circuit breaker is equipped with a CT19 spring operated mechanism, and its electrical schematic, wiring diagram, main technical parameters, and installation form of the mechanism are of the middle hanging type.

ZW38-40.5 Overall dimensions
ZW38-40.5 Elevated Ceramic Column High Layout Vacuum Circuit Breaker with Built in Current Transformer Outline Drawing

[Outdoor vacuum circuit breaker]ZW8A-12 series outdoor high-voltage vacuum circuit breaker

2026-6-10 20:01:21

The ZW8A-12 series outdoor high-voltage vacuum circuit breaker is a combination of ZW1-12 circuit breaker and isolation contact, called a combination circuit breaker, which can be used as a section switch. The operating mechanism of this series of products is the CT23 spring energy storage mechanism, which is divided into two types: electric and manual.

[Outdoor vacuum circuit breaker]ZW1A-12 series outdoor high-voltage vacuum circuit breaker

2026-6-10 20:01:12

ZW1A-12 outdoor high-voltage vacuum circuit breaker is a combination of ZW1-12 circuit breaker and isolation contact, called a combination circuit breaker, which can be used as a section switch. The operating mechanism of this series of products is the CT23 spring energy storage mechanism, which is divided into two types: electric and manual.

[Outdoor vacuum circuit breaker]ZW20-12 series vacuum circuit breaker

2026-6-10 20:01:03

1�� Overview
The ZW20-12 series vacuum circuit breaker is a high-voltage outdoor switchgear with a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used to open and close load current, overload current, and short-circuit current of rural power grids, urban power grids, and small power systems. The overall structure of this product is a three-phase common box, with a three-phase vacuum arc extinguishing chamber placed inside a metal box. The transformer performance is reliable and the insulation strength is high. The operating mechanism of this series of products is spring energy storage type, which is divided into two types: electric and manual. The circuit breaker complies with the regulations of GBl804, DL403, GBll022 and other standards. Whether under normal use conditions or fault conditions (especially short-circuit situations), as long as it is within the technical parameters of the circuit breaker, it can ensure safe and reliable operation in the corresponding voltage level of the power grid.

2�� Normal operating conditions of ZW20-12 series vacuum circuit breaker
l�� Environmental temperature: -45 �� -+40 ��:
2. Altitude: not exceeding 1000m
3. Wind speed not exceeding 35m/s:
4. Relative temperature: daily average not exceeding 95%, monthly average not exceeding 90%:
5. Earthquake intensity not exceeding 8 degrees:
6. Places without fire, explosion, severe pollution, chemical corrosion, and severe vibration

3�� Main technical parameters of ZW20-12 series vacuum circuit breaker:

serial number	project	unit	Technical Requirements
one	rated voltage	KV	twelve
two	rated frequency	Hz	fifty
three	rated current	A	six hundred and thirty
four	Rated short-circuit breaking current	KA	twenty
five	Peak rated closing current	KA	fifty
six	Peak value of rated dynamic stability current	KA	fifty
seven	4S thermal stability current	KA	twenty
eight	Rated operating sequence		Fen-0.3S-180S-Fen
nine	Rated voltage of energy storage motor	V	AC220
ten	Maximum/minimum voltage of energy storage motor	V	AC242/187
eleven	Rated closing operation voltage	V	AC220
twelve	Maximum/minimum closing operation voltage	V	AC264/143
thirteen	Rated opening operation voltage	V	AC220
fourteen	Maximum/minimum voltage for opening operation	V	AC264/143
fifteen	Closing at different stages	ms	��2
sixteen	Open at different stages	ms	��2
seventeen	Rated pressure of SF6 gas (gauge pressure)	MPa	zero point zero one
eighteen	Rated short-circuit current breaking times	time	thirty
nineteen	mechanical life	time	ten thousand
twenty	Electrical lifespan	time	ten thousand

ZW20-12 series vacuum circuit breaker

[Outdoor vacuum circuit breaker]ZW8P-12/630-20 type outdoor prepaid metering vacuum circuit breaker

2026-6-10 20:00:55

ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kV outdoor vacuum circuit breaker and metering integrated switchgear. It is matched with a three-phase multifunctional meter to realize the opening and closing of load current, overload current, and short-circuit current in the distribution system, and has a high-precision high-voltage metering device, realizing active energy meter, reactive energy meter, active demand meter, power factor meter, prepaid meter, recording, and automatic meter reading. Using international standard IC card RS485 interface, infrared communication, large screen LCD display technology, flexible preset of multiple functions, and IC card or handheld computer as a medium to achieve information transmission between users and power supply department computers. The power department can choose one or more transmission methods based on local conditions to facilitate computer network management and meet the needs of modern and scientific management for users in an effective and timely manner.

ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker model and its meaning:

Usage environment:

1. Altitude: not exceeding 1000 meters (exceeding is considered high altitude).
2. Surrounding air temperature: -45 �� to+40 ��
3. Relative temperature: daily average not exceeding 95%, monthly average not exceeding 790%.
4. Wind speed: not exceeding 35m/s.
5. No flammable, explosive, chemical corrosion, or severe vibration hazards.

Main technical parameters of ZW8P-12/630-20 outdoor prepaid metering vacuum circuit breaker

Project			unit	numerical value
rated voltage			KV	twelve
Rated insulation level	1min power frequency withstand voltage	Dry test	KV	forty-two
		Wet test (ground test)		thirty-four
	Lightning impulse withstand voltage (peak value)			seventy-five
rated current			A	six hundred and thirty
rated frequency			Hz	fifty
Rated short-circuit breaking current			KA	16. 20
Rated short-circuit closing current (peak)				40, 50
Rated peak withstand current				40, 50
Rated short-circuit withstand current 4s				16. 20
operating sequence				Min-0.3s HeFen-180s HeFen
Rated short-circuit current breaking times			time	thirty
mechanical life			time	ten thousand
Secondary circuit 1min power frequency withstand voltage			kV	two
Rated current of overcurrent release device			A	five

The external dimensions and installation dimensions of ZW8-12/630-20 outdoor prepaid metering vacuum circuit breaker:

The external dimensions and installation dimensions of ZW8-12/630-20 outdoor combination transformer:

Ordering Notice:

1. Product model, name, rated voltage, current, breaking capacity, and protection against CT changes.
2. Combination transformer box current transformer variation, precision level, voltage transformer ratio, accuracy, whether capacity is required, three column and five column.
3. Technical requirements for control circuits.
4. Whether to configure external connection cables, specifications, models, and quantities.
5. Order quantity and accessories.
6. Equipped with manual or electric operating mechanisms, with optional operating voltages of AC110V, AC220V, DC110V, and DC220V; If the customer requests not to bring a combination transformer, in principle, the customer should provide their own operating power supply. The customer has a special request for the supplier to provide an operating power supply, which can be equipped with a built-in voltage transformer for supply.
7. Measurement CT and PT require dry built-in, and should be ordered according to special negotiation.

[Outdoor vacuum circuit breaker]ZW8Q-12 series outdoor dual power automatic conversion vacuum circuit breaker group

2026-6-10 20:00:46

The ZW8Q-12 series outdoor dual power automatic conversion vacuum circuit breaker group mainly consists of two ZW8 outdoor vacuum circuit breakers and a dual power automatic conversion controller. It is suitable for dual power supply systems with AC 50Hz, rated voltage 12kV and below, mainly powered by the main power supply. When the main power fails, it automatically switches to the backup power supply, and when the main power comes in, it automatically switches to the main power supply. This set of equipment is mainly used in important situations where power outages are allowed.

ZW8Q-12 series outdoor dual power automatic conversion vacuum circuit breaker group model and its meaning:

Usage environment:
1. Altitude: not exceeding 1000 meters (for high source type).
2. Surrounding air temperature: -45 �� to+40 ��.
3. Relative temperature: daily average not exceeding 95%, monthly average not exceeding 90%.
4. Wind speed: not exceeding 35m/s.
5. No flammable, explosive, chemical corrosion, or severe vibration hazards.

ZW8Q-12 series outdoor dual power automatic conversion vacuum circuit breaker group main technical parameters:

Project			unit	quantity
rated voltage			KV	twelve
Rated insulation level	1min power frequency withstand voltage	Dry test	KV	forty-two
		Wet test (ground test)		thirty-four
	Lightning impulse withstand voltage (peak value)			seventy-five
rated current			A	six hundred and thirty
rated frequency			Hz	fifty
Rated short-circuit breaking current			KA	16. 20
Rated short-circuit closing current (peak)				40, 50
Rated peak withstand current				40, 50
Rated short-circuit withstand current 4s				16. 20
operating sequence				Min-0.3s HeFen-180s HeFen
Rated short-circuit current breaking times			time	thirty
mechanical life			time	ten thousand
Secondary circuit 1min power frequency withstand voltage			kV	three
Rated current of overcurrent release device			A	five

The external dimensions and installation dimensions of ZW8Q-12 series outdoor single circuit breaker:

ZW8Q-12 series outdoor dual power switching controller external dimensions and installation dimensions:

Ordering Notice:
1. Product model, name, quantity, rated breaking current, and whether an isolation switch is included. Changes in current transformers, quantity, auxiliary power supply mode, and voltage levels for manual, electric, and electric operation of the operating mechanism.
2. Technical requirements and functional configuration of dual power automatic switching circuit breakers.
3. Delivery location and transportation method.
If users have special requirements, please consult with us to resolve them.

[Outdoor vacuum circuit breaker]ZW26-12 series outdoor high-voltage vacuum circuit breaker

2026-6-10 20:00:37

·Product Overview:

The ZW26-12 series outdoor high-voltage vacuum circuit breaker combines the advantages of domestic column mounted vacuum circuit breakers and avoids the disadvantages of three-phase public box type that may cause accidents in harsh external environments. Absorbing mature experience in circuit breakers from ABB and COOPER companies, leading in performance compared to similar domestic products. It better meets the needs of the electricity sector and is the new generation of outdoor high-voltage vacuum circuit breakers that China is leading in this field.

This circuit breaker is suitable for three-phase power systems with AC 50Hz of 12KV and below, and is used for breaking and closing load currents, overload currents, and short-circuit currents. It can also be combined with distribution automation devices to form reclosers, sectionalizers, and achieve "four remote" control functions, forming intelligent control equipment.
·Model and its meaning:

·Usage environment:
1. Altitude: not greater than 2000 meters (3000m is the height prototype).
2. Surrounding air temperature; Upper limit+40 ��, lower limit -40 ��.
3. Relative temperature: daily average not exceeding 95%, monthly average not exceeding 90%.
4. Wind speed: not exceeding 700Pa (equivalent to a wind speed of 34m/s).
5. Ice thickness: 10mm.
6. Earthquake intensity: not exceeding 8 degrees.
7. Pollution level: Level IV.
8. Condensation may occur inside and outside the box during high humidity periods when there is a sudden drop.

·Main technical parameters of ZW26-12 series outdoor high-voltage vacuum circuit breaker:

Project	unit	ZW26-12/630-20	ZW26-12/1250-20
stable voltage	KV	twelve	twelve
rated current	A	six hundred and thirty	one thousand two hundred and fifty
rated frequency	HZ	fifty	fifty
Rated short-circuit breaking current	KA	16. 20	twenty
Rated short-circuit breaking current breaking times	time	thirty	thirty
Rated short-circuit closing current (peak)	KA	40, 50	fifty
Rated peak withstand current	KA	40, 50	fifty
Rated short-time withstand current	KA	16. 20	twenty
Rated short-circuit duration	S	four	four
Power frequency withstand voltage for 1 minute	KV	forty-two	forty-two
Lightning impulse withstand voltage (peak value)	KV	seventy-five	seventy-five
Total breaking time	S	<0.125	<0.126
mechanical life	time	ten thousand	ten thousand
Rated operating sequence		Min-0.3s HeFen-180s HeFen	Min-0.3s-181s-18s-1 on-off
Secondary circuit withstand voltage for 1 minute	KV	two	two
Top operating voltage and auxiliary circuit	V	AC/DC 220V, 110V, 48V, 24V	AC/DC 220V, 110V, 48V, 25V
Overcurrent tripping current	A	five	five
Six DC resistors per phase	�̦�	��200	��200

·ZW26-12 series outdoor high-voltage vacuum circuit breaker external installation dimensions:

[Outdoor vacuum circuit breaker]ZW32A-12G Outdoor High Voltage Vacuum Circuit Breaker Isolating Switch Combination Electrical Appliance

2026-6-10 20:00:28

1. Overview
ZW32A-12G outdoor high-voltage vacuum circuit breaker with isolating switch combination (hereinafter referred to as the combination) is an outdoor high-voltage distribution equipment with three-phase AC 50Hz and 12kV, used for breaking and closing load current, overload current, and short-circuit current in power systems, and is more suitable for places with frequent operations.
Combination electrical appliances, using CTB spring operated mechanism, can achieve electric energy storage, electric opening and closing, as well as manual energy storage and manual opening and closing.
Combination electrical appliances have interlocking and obvious visible fractures, ensuring safe operation and reliable interlocking.
The arc extinguishing device of the composite electrical appliance adopts outdoor epoxy casting technology, which integrates the vacuum arc extinguishing chamber and the current transformer into a solid insulation phase column component. It is vertically arranged in a phase separated manner, maintenance free, oil-free, gas free, and pollution-free.
Combination electrical appliance, with surge control function for closing, meets control and measurement requirements, equipped with electronic control unit, and can achieve "four remote" monitoring. This product is the preferred choice for the oil-free transformation of urban and rural power grids.
2. Normal usage conditions
a) Altitude: not exceeding 2000m;
b) Surrounding air temperature: upper limit+40 ��, lower limit -40 ��;
c) The wind pressure shall not exceed 700Pa (equivalent to a wind speed of 34m/s);
d) The degree of air pollution (level) shall not exceed level III;
e) Any requirements beyond the above conditions shall be agreed upon by the user and the manufacturing unit.

3. Main Technical Parameters of ZW32A-12G Outdoor High Voltage Vacuum Circuit Breaker Isolating Switch Combination Electrical Appliance
3.1 Technical parameters of circuit breaker:

serial number	parameter name			unit	data
					12.5kA	16kA	20kA
one	rated voltage			kV	twelve
two	Rated insulation level	1-minute power frequency withstand voltage	Dry test		Interphase and ground 42, fracture 48
			wet test		External insulation 34
		Lightning impulse withstand voltage (peak value)			Interphase, ground 75, fracture 85
three	rated frequency			Hz	fifty
four	rated current			A	six hundred and thirty
five	Rated short-circuit breaking current			kA	twelve point five	sixteen	twenty
six	Rated short-circuit closing current (peak)				thirty-one point five	forty	fifty
seven	Rated peak withstand current				thirty-one point five	forty	fifty
eight	4s rated short-time withstand current				twenty-one point five	sixteen	twenty
nine	Rated operating sequence				Min-0.3s HeFen-180s HeFen
ten	Closing time/Opening time			ms	25��50/15��50
eleven	Rated short-circuit breaking current breaking times			time	thirty
twelve	mechanical life				ten thousand
thirteen	Control circuit and auxiliary circuit 1-minute power frequency withstand voltage			V	two thousand
fourteen	Rated operating voltage auxiliary circuit rated voltage				DC220�� AC220
fifteen	over-current release		rated current	A	five
			Accuracy of tripping current	%	±10
sixteen	Contact distance/contact stroke			mm	9±1/2±0.5
seventeen	Center distance between phases				340±1.5
eighteen	Average closing speed/average opening speed			m/s	0.6±0.2/1.2±0.3
nineteen	Contact closing bounce time/three-phase opening and closing synchronicity			ms	��2/��2
twenty	Resistance of each phase circuit			�̦�	��80

3.2 Technical parameters of isolation switch:

serial number	parameter name		unit	data
				16kA	20kA
one	rated voltage		kV	twelve
two	1-minute power frequency withstand voltage	Dry test		Interphase and ground 42, fracture 48
		wet test		External insulation 34
three	rated current		A	six hundred and thirty
four	rated frequency		Hz	fifty
five	Rated peak withstand current		kA	forty	fifty
six	4s rated short-time withstand current			sixteen	twenty
seven	Lightning impulse withstand voltage (peak value)		kV	seventy-five
eight	Circuit resistance (between circuit breaker terminal and isolation switch incoming board)		�̦�	��120
nine	When the three-phase knife switch is closed, the center offset		mm	��2
ten	Synchronization deviation of three-phase knife switch closing			��2
eleven	Fracture distance			��200
twelve	Insulation distance between conductive parts and the ground			��160

ZW32A-12G Outdoor High Voltage Vacuum Circuit Breaker Isolating Switch Combination Electrical Appliance

[Outdoor vacuum circuit breaker]ZW10-12 series outdoor high-voltage vacuum circuit breaker

2026-6-10 20:00:19

1�� Characteristics of ZW10-12 series outdoor high-voltage vacuum circuit breaker products

1. Special anti condensation measures are adopted internally to ensure insulation inside the box;
2. The rotation method adopts patented technology, which is easy to install and reliable to operate, avoiding the impact of mechanical failures on the performance of circuit breaking;
3. No oil filling, no inflation, small size, light weight, no need for maintenance.
4. High breaking current, no pollution, no need for maintenance.
5. The operation can be either electric or manual.

2�� ZW10-12 series outdoor high-voltage vacuum circuit breaker appearance and installation dimensions

1. Box 2, Product nameplate 3, Operating mechanism 4, Terminal letters 5, Insulator
6. Current transformer 7, on/off pointer 8, energy storage pointer 9, insulator 10, wiring terminal
11. Rear cover plate 12, manual energy storage handle 13, manual mechanism nameplate 14, manual closing pull ring
15. Manual closing pull ring 16, grounding bolt

Orders should specify:

Circuit breaker model, name, technical parameters, and quantity;
Is there a quantity and variation of isolation switches, current transformers for protection and measurement;
Operating mechanism voltage;
Names and quantities of spare parts and accessories;
Special usage conditions.

[Outdoor vacuum circuit breaker]ZW32 series outdoor high-voltage vacuum circuit breaker with isolation

2026-6-10 20:00:10

ZW32 series outdoor high-voltage vacuum circuit breaker with isolation

[Outdoor vacuum circuit breaker]ZW37-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 20:00:02

1. The vacuum arc extinguishing chamber adopts patented sealing technology, with small volume, long service life, high reliability, good weather resistance, and easy transportation;
2. The operating mechanism adopts a miniaturized and highly reliable spring operating mechanism, with a simple structure and a mechanical life of up to 20000 times;
3. Adopting vacuum arc extinguishing, solid insulation, small size, light weight, high parameters, high performance, large breaking capacity, and high insulation level;
4. The design structure is reasonable, safe and reliable, and easy to debug and maintain;
5. It can be equipped with internal and external current transformers for measurement and protection, and external voltage transformers that can be flexibly equipped with remote control auxiliary contacts to meet the requirements of distribution automation

ZW37-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker

serial number	name		unit	parameter
one	rated voltage		kV	forty point five
two	rated current		A	630��1250��1600��2000
three	Rated short-circuit breaking current		kA	twenty	twenty-five	thirty-one point five
four	Rated short-circuit closing current (peak)		kA	fifty	sixty-three	eighty
five	Rated short-time withstand current		kA	twenty	twenty-five	thirty-one point five
six	Rated peak withstand current		kA	fifty	sixty-three	eighty
seven	Rated short-circuit duration		S	four
eight	Rated insulation level	1-minute power frequency withstand voltage	kV	ninety-five
		Lightning impulse withstand voltage (peak value)		one hundred and eighty-five
nine	Rated operating sequence			Split -0.3s - Split -180s - Split - Split
ten	Rated short-circuit breaking current breaking times		time	twenty
eleven	Mechanical lifespan times		time	ten thousand
twelve	Rated operating voltage		V	220 (DC, AC)

[Outdoor vacuum circuit breaker]ZW43A-12 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 19:59:52

ZW43A-12 Outdoor AC High Voltage Vacuum Circuit Breaker

1. The vacuum arc extinguishing chamber adopts patented sealing technology, with a large volume, long service life, high reliability, good weather resistance, and easy transportation;
2. The operating mechanism adopts a miniaturized and highly reliable spring operating mechanism, with a simple structure and a mechanical life of up to 20000 times;
3. Adopting vacuum arc extinguishing, solid insulation, small size, light weight, large breaking capacity, and high insulation level;
4. The switch housing is made of stainless steel or spray treated, with good corrosion resistance and weather resistance;
5. An external isolation switch can be added to form a visible fracture and reliable interlocking, forming a composite electrical device;
6. It can be matched with the controller to achieve the "four remote" functions of remote control, telemetry, remote signaling, and remote adjustment.

[Outdoor vacuum circuit breaker]ZWAT��-12 Type Outdoor AC High Voltage Special Safety Vacuum Circuit Breaker

2026-6-10 19:59:44

ZWAT �� -12 outdoor AC safety special high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 12kV and three-phase AC 50HZ. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems.

Suitable for protection and control in substations, industrial and mining enterprises, as well as urban and rural power grids, especially suitable for distribution network systems where urban overhead lines are converted to cable lines that enter the ground.

Product features: 1 The shielded EMPD rubber encapsulates, isolates, and shields the internal high-voltage components (vacuum arc extinguishing chamber, conductive circuit). EPDM rubber is specially treated and undergoes antioxidant treatment to ensure long-term safety performance.
2. Vacuum arc extinguishing chamber
Adopting a miniaturized vacuum arc extinguishing chamber equipped with high performance, high parameters, and low main circuit resistance value.
3. Insulation rod
It connects the spring operating mechanism and the vacuum arc extinguishing chamber contact, and this design includes a unique high dielectric performance. In order to ensure reliable insulation voltage performance, a soft silicone rubber seal is used instead of the traditional SMC insulation rod form.
4. Compact structure and light weight
Taking advantage of the higher insulation strength of EPDM rubber compared to SF6, oil, or air, this product has eye-catching features of small size and light weight. It can be installed in crowded cable trenches and within the smallest walls, and can be installed through doorways and artificial skylights. The MVI segmenter can be installed at any position. For example, floors, ceilings, and walls. Ensure the best connection and operation.
5. Spring structure
High reliability, miniaturized spring operating mechanism, with a mechanical lifespan of up to 20000 cycles
6. Switch casing
Adopting stainless steel shell and formed sealing groove to ensure rust resistance and sealing.
7. Fully sealed and submersible
Pollution, rust, or continuous flooding will not affect the switch. The stainless steel exterior and EP rubber ensure that the vacuum arc extinguishing chamber is not affected.
8. Maintenance free design
Adopting EP rubber solid insulation solves the maintenance of oil level, gas pressure or shell. The vacuum arc extinguishing chamber has been confirmed to be maintenance free through cyclic testing.
9. Widely applicable
This product can be used in harsh operating environments such as underwater (water depth of 2m, within 72 hours), severe pollution, and humidity, and can also be installed

[Outdoor vacuum circuit breaker]ZW12-40.5 outdoor vacuum circuit breaker

2026-6-10 19:59:34

ZW12-40.5 outdoor vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor switchgear with a rated voltage of 40.5KV and three-phase AC 50Hz. It is a product manufactured with advanced foreign technology. The operating mechanism of this circuit breaker is a spring energy storage type, which can be operated electrically or manually. There are two types of electric operation: AC or DC.

[Outdoor vacuum circuit breaker]ZW20A-12/630-20 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 19:59:26

1. Adopting vacuum arc extinguishing and SF6 insulation, with small volume and large capacity;
2. The operating mechanism adopts a miniaturized and highly reliable spring operating mechanism, with a simple structure, flexible and convenient operation, and superior breaking performance;
3. Adopting patented sealing technology and explosion-proof devices, oil-free medium, with high reliability and safety;
4. The installation method is flexible and can be lifted or seated;
5. Unique incoming and outgoing wiring methods effectively ensure the external insulation characteristics of the switch;
6. It can be matched with the controller to achieve the "four remote" functions of remote control, telemetry, remote signaling, and remote adjustment.

ZW20A-12/630-20 Outdoor AC High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW1-12 Outdoor AC High Voltage Vacuum Circuit Breaker

2026-6-10 19:59:17

ZW1-12 Outdoor AC High Voltage Vacuum Circuit Breaker

Voltage transformer, providing operating power without the need for an additional power supply;
After the power is turned on, one opening operation can be performed;
• Low operating power and high reliability;
Output current and voltage signals for metering or remote automatic control;
In the control box, there are signal interfaces and on/off indication interfaces that can be used in conjunction with various FTUs, equipped with modulation and demodulation devices, and used in conjunction with urban network automation equipment to achieve "three remote" or "four remote" control;

1. Overview
ZW1-12 series outdoor AC high-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor device with a rated voltage of 12kV. It is mainly used in 12kV systems of rural and urban networks, as well as for load current, overload current, and short-circuit current. It can also be used in other similar places.
2. Environmental conditions for use
Environmental temperature:+40 �� to -30 ��.
Altitude: 2000m.
Relative humidity of the air: daily average not exceeding 95%
The monthly average is not greater than 90%
The daily average saturated vapor pressure shall not exceed 2.2 × 10-3MPa
The monthly average value shall not exceed 1.8 × 10-3MPa.
Wind pressure not exceeding: 700Pa
The seismic intensity shall not exceed 8 degrees.
Places without fire, explosion, serious pollution, chemical corrosion, and severe vibration

3. Technical parameters of ZW1-12 outdoor AC high-voltage vacuum circuit breaker
The main electrical parameters are shown in Table 1 below

serial number	name		unit	data
one	rated voltage		kV	twelve
two	Rated Absolute Edge level	1-minute power frequency withstand voltage		forty-two
		Lightning impulse withstand voltage		seventy-five
three	rated current		A	six hundred and thirty
four	Rated short-circuit breaking current		kA	6.3��12.5
five	Rated short-circuit closing current (peak)			16��31.5
six	Rated dynamic stable current			16��31.5
seven	4s rated thermal stability current			6.3��12.5
eight	Rated short-circuit breaking current breaking times		time	thirty
nine	Rated operating sequence			Min-0.3s HeFen-180s HeFen
ten	mechanical life		time	ten thousand
eleven	Current Transformer Ratio			100/5��200/5�� 400/5��800/5,1600/5

4. Structure and Characteristics
A circuit breaker consists of a conductive circuit, an insulation system, sealing components, and a housing. The overall structure is a three-phase common box. The conductive circuit is composed of conductive poles for incoming and outgoing lines, conductive clamps for dynamic and static end supports, and vacuum arc extinguishing chambers. The external insulation is mainly achieved through high-voltage porcelain sleeves, which have anti pollution ability. The internal insulation is composite insulation, mainly achieved through transformer oil inside the box, and also solves the condensation problem inside outdoor products. The operating mechanism of this circuit breaker can be equipped with a delay device according to user needs to solve the surge phenomenon that occurs during switch operation. According to user requirements, installing outdoor isolation switches can form obvious isolation fractures, making maintenance and use more convenient and safe.

5. Ordering Notice
It should be noted that:
Circuit breaker model specifications, name, operating method, matching current transformer ratio, and quantity.
The external dimensions and installation dimensions are shown in the following figure:

Figure a 1. Lifting ring 2. Ceramic sleeve 3. Box cover 4. Sealing element 5. Lifting earrings 6. Box body 7. Oil drain valve 8. Conductive rod 9. Oil gauge
10. Oil injection hole 11. Opening and closing indicators 12. Operating mechanism 13. Brand name

3.2 The circuit breaker body of this product consists of a conductive circuit, an insulation system, a sealing component, and a housing. The overall structure is a three box common box. The conductive circuit is composed of an inlet and outlet conductive rod, a dynamic and static end support, a conductive clamp, and a vacuum arc extinguishing connection. The external insulation is mainly achieved through a high-voltage ceramic sleeve, which has anti pollution ability; The internal insulation is composite insulation, mainly achieved through transformers, oil, etc. inside the box, while also solving the condensation problem inside outdoor products.
The operating mechanism has manual energy storage, manual opening and closing, overcurrent protection and other functions, while its electric motor has electric or manual energy storage, electric or manual opening and closing, overcurrent protection and other functions.

Serial number	Project Name		Unit	standard			Remarks
one	rated voltage		KV	twelve
two	rated current		A	six hundred and thirty
three	Power frequency withstand voltage (1 minute)		KV	forty-two			Type Test 47
four	Lightning impulse withstand voltage (peak value)		KV	seventy-five			Type test 84
five	Rated short-circuit breaking current		KA	six point three	twelve point five	sixteen
six	Rated short-circuit closing current (peak)		KA	sixteen	thirty-one point five	forty
seven	4-second short-time withstand current		KA	six point three	twelve point five	sixteen
eight	Rated peak withstand current		KA	sixteen	thirty-one point five	forty
nine	Rated operating sequence			Min-0.3 seconds - on-off -180 seconds - on-off
ten	Rated short-circuit current breaking times		time	thirty
eleven	mechanical life		time	ten thousand
twelve	Rated operating voltage (equipped with CT mouth type spring operating mechanism)	trip coil	��	DC or AC 220
		closing coil
thirteen	Allowable wear thickness for dynamic and static contacts		mm	three	four	four
fourteen	Total weight		kg	one hundred and sixty

ZW1-12 Outdoor AC High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW27-12 outdoor vacuum circuit breaker

2026-6-10 19:59:08

ZW27-22 outdoor AC vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 12kV and three-phase AC 50Hz. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems.

ZW27-22 outdoor vacuum circuit breaker is suitable for protection and control in substations, industrial and mining enterprises, as well as urban and rural power grids. It is particularly suitable for places with frequent operations and urban network automation distribution networks.

ZW27-22 Outdoor Vacuum Circuit Breaker Product Features:

1. Use a vacuum arc extinguishing chamber.
2. Adopt air silicone rubber and engineering plastic composite insulation.
3. Voltage transformers can be installed inside the switch to provide operational power and voltage sampling.
4. The plan is flexible and can reserve interfaces for automatic distribution, facilitating the development of distribution automation.

Structural features: (P17)

1. Use a vacuum arc extinguishing chamber to extinguish the arc.
2. Using air? Silicone rubber and engineering plastic composite insulation avoid the possibility of insulation accidents caused by oil degradation in oil insulation.
3. Combined with the controller, it can be used as an automatic recloser or automatic segmenter.

serial number	name		unit	numerical value
one	rated voltage		kV	twelve
two	Rated insulation level (altitude 2000m)	1-minute power frequency withstand voltage (inter electrode, ground/fracture)		dry-type	forty-two
		Lightning impulse withstand voltage (between poles, to ground)		wet type	thirty-four
		Lightning impulse withstand voltage (fracture)		seventy-five
three	rated frequency		Hz	eighty-five
four	rated current		A	fifty
five	Rated short-circuit breaking current		kA	630, 1000, 1250
six	Rated operating sequence		/	12.5, 16, 20, 25
seven	Rated short-circuit current breaking times		time	O-0.3s-CO-180s-CO
eight	Rated short-circuit closing current (peak)		kA	thirty
nine	Rated peak withstand current			31.5, 40, 50, 63
ten	Rated short-time withstand current			12.5, 16, 20, 25
eleven	Total breaking time		s	��0.125
twelve	Rated short-circuit duration			four
thirteen	mechanical life		time	ten thousand
fourteen	Contact operating voltage and rated voltage of auxiliary circuit		V	AC or DC 220
fifteen	Rated current of overcurrent release device		A	five

[Outdoor vacuum circuit breaker]KMG-01 Outdoor household circuit breaker

2026-6-10 19:59:00

KMG-01 Outdoor Household Circuit Breaker

After switching from overhead lines to insulated lines, line faults have been greatly reduced. In order to simplify relay protection, the center point of the transformer is grounded through a small resistor. In this case, when the single-phase grounding current reaches a certain value, the feeder circuit breaker of the substation will trip, causing a power outage of the entire line. In order to prevent user faults from being reflected in the substation (or higher-level circuit breaker), a household circuit breaker (referred to as a watchdog) is installed at the user entrance. When there is a fault in the user's internal circuit, the household circuit breaker trips, isolating the user's internal fault from the main circuit. The controller determines the user's working status based on the current parameters emitted by the circuit breaker. When the current exceeds the rated set value, it issues a trip command to trip the circuit breaker. In this way, the fault point can be located in the fault section. That is to say, internal faults within the user will not affect the entire line.

Product features of KMG-01 outdoor household circuit breaker:

1. Adopt air silicone rubber and engineering plastic composite insulation.
2. Voltage transformers can be installed inside the switch to provide operational power and voltage sampling.
3. The plan is flexible and can reserve interfaces for automatic distribution, facilitating the development of distribution automation.
4. The incoming and outgoing lines are arranged in an "L" shape.
5. Combined with the controller, it can be used as an automatic recloser or automatic segmenter.
6. After the voltage transformer loses voltage, at least one opening operation shall be performed by the built-in capacitor

[Outdoor vacuum circuit breaker]FDZ��-12/T630-20 Type High Pressure Vacuum Automatic Segmenter

2026-6-10 19:58:51

The FDZ �� -12/T630-20 AC high-voltage vacuum column dry automatic sectionalizer (hereinafter referred to as the sectionalizer) is used in a 50Hz, 12kV three-phase distribution network and is an intelligent switchgear. This segmenter, when used in conjunction with a recloser, can independently handle faults in the distribution network without relying on other control systems, and can minimize the area of power outages caused by faults. This product consists of a segmenter body and an electronic controller.

The main body of the segmenter is an outdoor vacuum load switch with an isolation switch, which can be used to open and close load currents, circulating currents in the ring network, inductive currents of no-load transformers, and capacitive currents of capacitor banks (or cable lines); It can also close the short-circuit current and withstand the electric and thermal effects caused by short-circuit current.

The incoming end of the segmenter body is equipped with a current transformer, which provides source information for the operation of the controller. The primary current of the current transformer can be made into 50-630A according to the user's requirements; the secondary current can be made into 5A or 1A.

[Outdoor vacuum circuit breaker]ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 19:58:42

ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

ZW32-12 outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is used in three-phase power systems with AC 50HZ and voltage of 10-12KV. It is used for breaking and closing loads, and has overload and short-circuit protection functions, meeting control and measurement requirements. It can also achieve remote control, monitoring, etc. Suitable for protection and control in power distribution systems of substations and industrial and mining enterprises, as well as frequent operation sites in rural power grids.

1.3 Model Meaning

2. Environmental conditions for use
a. Surrounding air temperature: upper limit+40 ��, lower limit -30 ��
b. Altitude �� 2000m (if altitude needs to be increased, the rated insulation level will be correspondingly increased);
c. Wind pressure: not exceeding 700pa (equivalent to a wind speed of 34m/s)
d. Amplitude: seismic intensity of 8 degrees;
e. Pollution level: Level III
f. Maximum daily temperature difference: not exceeding 25 ��

Technical parameters of ZW32-12 outdoor high-voltage vacuum circuit breaker

serial number	name			Unit	data
one	rated voltage			KV	twelve
two	Rated insulation level	1-minute power frequency withstand voltage	Dry test		forty-two
			Warm test		thirty-four
		Lightning impulse withstand voltage (peak value)			seventy-five
three	rated current			A	630:400:200
four	Rated short-circuit breaking current			KA	20:16:12.5
five	Rated operating sequence				Split -0.3- Split -180s - Split
six	Rated short-circuit breaking current times			time	thirty
seven	Rated short-circuit closing current (peak)			KA	fifty
eight	Rated peak withstand current
nine	Rated short-time withstand current				twenty
ten	Rated short-circuit duration			S	four
eleven	Opening time (excitation trip)		Maximum operating voltage	ms	20-45
			Rated operating voltage
			Minimum operating voltage
twelve	closing time
thirteen	Total breaking time				25-50
					��100
fourteen	arcing time				��20
fifteen	mechanical life			time	ten thousand
sixteen	Closing power			J	seventy
seventeen	Rated input power of energy storage motor			W	��40
eighteen	Rated operating voltage and rated voltage of auxiliary circuit			V	DC220
					AC220
nineteen	Energy storage time at rated voltage			S	<10
twenty	over-current release		rated current	A	five
			Accuracy of tripping current	%	±10

Outline and Installation Dimensional Drawing of ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 19:58:34

1 Overview
ZW8-12 outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is used in three-phase power systems with AC 50Hz-12kV. It can switch on and off the load current, overload current, and short-circuit fault current of the circuit. It is a control and protection device for indoor power grids. When the circuit breaker is combined with an isolation switch (hereinafter referred to as a combination circuit breaker), it can be used as a section switch.
2. Environmental conditions for use
a. Environmental temperature -40 �� to+40 ��;
b. The altitude shall not exceed 2000mm, and any altitude above 2000mm shall be negotiated with the user;
c. The wind pressure shall not exceed 700Pa (equivalent to a wind speed of 34m/s);
d. The daily average relative humidity should not exceed 95%, and the monthly average should not exceed 90%
e. Air pollution level III;
f. The surrounding air should not be significantly polluted by corrosive or flammable gases;
g. No frequent vigorous exercise;
h. As an insulating medium, silicone rubber should comply with the requirements of GB655386 for the intended use.

Main technical parameters of ZW8-12 outdoor high-voltage vacuum circuit breaker
3.1 Rated Parameters

serial number	Project			unit	Parameters
one	rated voltage			KV	twelve
two	rated current			A	six hundred and thirty
three	rated frequency			HZ	fifty
four	Power frequency withstand voltage			KV	forty-two
five	Lightning impulse voltage (peak value)			KV	seventy-five
six	Rated short-circuit breaking current			KA	twelve point five	sixteen	twenty
seven	Rated short-circuit closing current (peak)			KA	thirty-one point five	forty	fifty
eight	Rated short-time withstand current			KA	twelve point five	sixteen	twenty
nine	Rated peak withstand current			KA	thirty-one point five	forty	fifty
ten	Rated operating sequence				Split -0.3S - Split -180S Split
eleven	Rated short-circuit current breaking times			time	thirty
twelve	mechanical life			time	ten thousand
thirteen	Allowable cumulative thickness of wear for moving contacts			mm	three
fourteen	Rated operating voltage Equipped with CT type spring operating mechanism		closing coil	V	DC or AC 110, 220
			trip coil
fifteen	Rated working current of overcurrent trip coil			A	five
sixteen	energy storage motor	Customized voltage		V	DC or AC 110, 220
		power		W	��200
seventeen	weight			Kg	one hundred and fifty

3.2 Mechanical characteristic parameters

serial number	Project	Unit	Parameters
one	Contact opening distance	mm	11±1
two	Contact stroke	mm	3±0.5
three	Average opening speed	m/s	1±0.4
four	Average closing speed	m/s	0.65±0.15
five	Closing bounce time	ms	��2
six	Three phase opening synchronicity	ms	��2
eight	closing time	ms	��0.1
nine	Opening time	ms	��0.1
ten	Main circuit resistance of each pole	��	��200

Appearance and installation dimensions of 4ZW8-12 outdoor high-voltage vacuum circuit breaker

ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW6-12 Outdoor High Voltage Vacuum Circuit Breaker

2026-6-10 19:58:25

main purpose
1�� ZW6-12/630 outdoor high-voltage vacuum circuit breaker is suitable for use in three-phase AC 50HZ, rated 12KV power grids. It is used for dividing and closing load currents, overload currents, and closing and breaking currents, and can also be used as a section switch for 12KV urban or rural power grids.
2�� This product operates in a reclosing state and, when equipped with a suitable control system, can be used as a recloser or segmenter in power lines.
3�� It can be independently applied to small and medium-sized substations, with the characteristics of reducing land occupation and saving investment.
4�� Whether used in power lines or in substations, there are smart units that can be equipped with grid automation and PW to achieve local and remote control.
Usage environment
1�� Surrounding air temperature: upper limit of 40 ��, lower limit of -40 ��;
2�� Altitude �� 2000m;
3�� Wind pressure: not exceeding 700pa (equivalent to a wind speed of 34m/s);
4�� The earthquake intensity shall not exceed magnitude 8.

Technical parameters of ZW6-12 outdoor high-voltage vacuum circuit breaker

moon	Technical parameter name		unit	Technical Specifications
				16KA	20KA
one	rated voltage		KV	twelve
two	rated current		A	six hundred and thirty
three	1-minute power frequency withstand voltage	Dry test	KV	forty-two
		Warm test	KV	thirty
four	Lightning impulse withstand voltage (peak value)		KV	seventy-five
five	Rated short-circuit breaking current		KA	sixteen	twenty
six	Rated short-circuit closing current (peak)		KA	forty	fifty
seven	Rated peak withstand voltage		KA	forty	fifty
eight	4S short-time withstand voltage		KA	sixteen	twenty
nine	Rated operating sequence			Split -0.3s Split -180S Split - Split
ten	Rated short-circuit current rise and break times		time	thirty
eleven	mechanical life		time	ten thousand
twelve	Rated voltage of energy storage motor		V	AC/DC 110.220
thirteen	Rated operating voltage	trip coil	V	AC/DC 110.220
		closing coil
fourteen	Allowable wear thickness of dynamic and static contacts		mm	three
fifteen	Contact opening distance		mm	9±1
sixteen	Contact overtravel		mm	3±1	3±1
seventeen	Average closing speed		m/s	0.6±0.2
eighteen	Average opening speed		m/s	1.0±0.2	1.1±0.2
nineteen	Bounce time of Heku		ms	��2
twenty	Three phase disconnection at different stages		ms	��2	��2
twenty-one	Opening time (equipped with CT type spring operating mechanism)		s	��0.1
twenty-two	Closing time (equipped with CT type spring operating mechanism)	Maximum operating voltage	s	��0.06
		Minimum operating voltage		��0.1
twenty-three	DC resistance of each phase circuit		U��	��200
twenty-four	Center distance between phases		mm	one hundred and ninety-three

ZW6-12 Outdoor High Voltage Vacuum Circuit Breaker Outline and Installation Dimensional Drawing

ZW6-12 Outdoor High Voltage Vacuum Circuit Breaker

[Outdoor vacuum circuit breaker]ZW8-12/T Type PT Outdoor Vacuum Circuit Breaker

2026-6-10 19:58:16

ZW8-12/T-type PT outdoor vacuum circuit breaker electronic PI type outdoor high-voltage vacuum circuit breaker (hereinafter referred to as electronic PI type circuit breaker) is used in three-phase power systems with AC 50HZ and voltage of 10-20Kv. It is used for breaking and closing load currents, and has surge, overcurrent, and quick break protection functions. It can store energy and perform multiple opening and closing operations in the event of 10KV power outage, achieving remote control and remote wired control and distribution network electrification. It can also serve as an in station incoming and outgoing line switch as well as an off station scattered switch without power supply, achieving ring network power supply. It is an intelligent switch that integrates power protection control and communication.

[Outdoor vacuum circuit breaker]ZW7-40.5 series outdoor high-voltage vacuum circuit breaker

2026-6-10 19:58:07

Scope of application:
The ZW7 series circuit breaker is suitable for use in three-phase AC 50Hz, 40.5kV power systems as a means of breaking and closing load currents, overload currents, and short-circuit currents. It can be used for the control and protection of power equipment and power lines in power plants and substations, as well as in places with frequent operations. It is an ideal product for the upgrading and replacement of the oil-free transformation of the 40.5kV old substation.

ZW7-40.5 series outdoor high-voltage vacuum circuit breaker model:

ZW7-40.5 outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is used in three-phase power systems with AC 50Hz and voltage of 40.5kv, for breaking and closing load current, overload current, and short-circuit current.
a�� Adopting vacuum arc extinguishing, with strong breaking ability, long electrical life, and mechanical life of 10000 times:
b�� Simple structure, maintenance free, long maintenance free cycle;
c�� Good insulation performance and strong anti pollution ability;
d�� Can be equipped with spring or electromagnetic operating mechanism, reliable mechanical performance, and can be operated frequently; No fire and explosion hazards;
e�� The internal current transformer has a measurement accuracy of 0.2 level and can achieve three-phase differential protection;
f�� Equipped with a leakage controller, it can protect the circuit breaker from reliable operation under certain temperature and humidity conditions.

a. Surrounding air temperature: upper limit+40 ��, lower limit -30 �� (general areas), -40 �� (high-altitude areas);
b. Altitude: �� 1000m (if altitude needs to be increased, the rated insulation level should be correspondingly raised);
c. Wind pressure: not exceeding 700pa (equivalent to a wind speed of 34m/s);
d. Amplitude: The seismic intensity does not exceed 8 degrees;
e. Pollution level: Level III;
f. Maximum daily temperature difference; Not exceeding 25 ��

3�� Main technical parameters of ZW7-40.5 series outdoor high-voltage vacuum circuit breaker

serial number	name			unit	data
one	rated voltage			KV	forty point five
two	Rated insulation level	1-minute power frequency withstand voltage	Dry test		ninety-five
			wet test		eighty
		Lightning impulse withstand voltage (peak value)			one hundred and eighty-five
three	rated current			A	1250; 1600; two thousand
four	Rated short-circuit breaking current			KA	20;25; thirty-one point five
five	Rated operating sequence				Min-0.3s HeFen-180s HeFen
six	Rated short-circuit breaking current times			time	twelve
seven	Rated short-circuit closing current (peak)			KA	50;63; eighty
eight	Rated peak withstand voltage
nine	Rated short-time withstand current				20;25; thirty-one point five
ten	Rated short-circuit duration			S	four
eleven	Average opening speed			M/S	1.5±0.2
twelve	Average closing speed				0.7±0.2
thirteen	Contact closing bounce time			MS	�ܣ�
fourteen	Three phase closing (opening) synchronization time difference				�ܣ�
fifteen	closing time				��150
sixteen	Opening time				��60
seventeen	mechanical life			time	ten thousand
eighteen	Rated operating voltage and rated voltage of auxiliary circuit			V	DC 110/220
					AC 110/220
nineteen	Direct resistance of each static circuit (excluding transformers)			�̦�	��100
twenty	Allowable wear thickness of dynamic and static contacts			MM	three
twenty-one	weight			KG	eight hundred

ZW7-40.5 series outdoor high-voltage vacuum circuit breaker