Factory Wholesale Column Boundary Switch Manual Power-off Circuit Breaker ZW32 Outdoor High-voltage Vacuum Circuit Breaker CB-04Product nameHigh Voltage Vacuum Circuit BreakerRated insulation voltage1
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ZW32-12 outdoor high voltage AC vacuum circuit breaker
The ZW32-12 series outdoor high-voltage AC vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor power distribution equipment with a rated voltage of 12kV three-phase AC 50Hz. It is mainly used for breaking and closing the load current, overload current and short-circuit current in the power system. It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises. It is an ideal switching device for rural power grids and urban power grid systems. The circuit breaker can be equipped with an isolation switch or an anti-inrush delay protector according to user needs. According to user requirements, it can be combined with corresponding intelligent controllers to form intelligent circuit breakers to realize distribution network automation. The circuit breaker can be equipped with a manual spring operating mechanism or an electric spring operating mechanism. The electric spring operating mechanism can be equipped with a wireless remote control.
Applicable conditions
Ambient temperature: not higher than +40 °C, not less than -15°C
Altitude: not exceed 1000m
Relative humidity: daily average of not more than 95%, month average of not more than 90%
Earthquake intensity: not more than ten
No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration
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Technical Parameters
Name | Unit | Parameter |
Rated voltage | kV | 12 |
Rated frequency | Hz | 50 |
Rated current | A | 630 |
Rated short-circuit breaking current | kA | 20 |
Rated peak withstand current | kA | 50 |
Rated short-time withstand current | kA | 20 |
Rated short-circuit making current (peak value) | kA | 50 |
Mechanical life | Times | 10000 |
Rated short-circuit breaking current breaking times | Times | 30 |
Power frequency withstand voltage (1min): (wet) (dry) interphase,to ground/fracture | kV | 42/48 |
Lightning impulse withstand voltage (peak value) interphase,to ground/fracture | kV | 75/85 |
1min power frequency withstand voltage of secondary circuit | kV | 2 |
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other series of the cricuit breaker in our factory:
outdoor cricuit breaker such as:ZW6、ZW7、ZW8、ZW32、ZW32-24、ZW20、ZW10、ZW43
indoor cricuit breaker such as:VS1、ZN63、ZN28、ZN73、ZN12、ZN23、ZN85
sf6 circuit breaker such as:LW8-40.5,LW8-35...
for more information of other cricuit breaker,please contact us.
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