ZW32-12 Series
Outdoor High-voltage Vacuum Circuit Breaker
Introduction
ZW32-12 Series Outdoor High-voltage Vacuum Circuit Breaker (HVCB) is an outdoor power distribution equipment with a rated voltage of three-phase 12kVAC/50Hz, which is mainly used to open and close the load current, overload current and short-circuit current in the power system. ZW32-12 series circuit breaker has the advantages of small size, light weight, anti-condensation, and maintenance-free, and can adapt to harsher climatic conditions and dirty environments. ZW32-12 series vacuum circuit breakers are widely used in the protection and control of power distribution systems in substations or in industrial and mining enterprises, as well as the frequent operation of rural power grids, etc.
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Basic Parameters
Rated voltage: 12KV
Rated frequency: 50Hz
Rated normal current: 630A; 1250A
Rated short-circuit breaking current: 20KA; 25KA; 31.5KA
Rated dynamic stability current (peak): 50KA
Rated short-circuit withstand current: 20KA
Rated making current (peak): 50KA
Mechanical lifetime: 10000 Times
Rated short-circuit current breaking times: ≥30KV
Application Environment
Ambient temperature: -40℃ ~ +40℃
Altitude: ≤2000m, If used for more than 2000m, please consult with us
Wind pressure: ≤700Pa (that is, wind speed ≤34m/s)
Relative humidity: daily average ≤95%, monthly average ≤90%
Air pollution level: Level Ⅲ
The surrounding air should not be significantly polluted by corrosive gas, combustible gas, water vapor, etc.
No frequent severe vibration.
* If you need to customize according to your special needs, please contact us.
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