HVD32 ZW32

1.General HVD32 ZW32 This vacuum circuit breaker VCB is three-phase AC 50Hz, rated voltage 12 kV outdoor high voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system. 2.2. Main technical parameter Rated voltage: 12 kv 1 minuteratedpower frequency withstand voltage: Phase to Phase, to Ground 42 kv / Fracture 48 kv Rated current: 630A / 1250A Rated short circuit breakingcurrent: 12.5KA, 16KA, 20KA / 25KA Rated short-circuitcurrent (peak): 31.5KA, 40KA, 50KA / 63KA Rated peak withstand current: 31.5KA, 40KA, 50KA / 63KA 4sratedshort time withstand current: 12.5KA, 16KA, 20KA / 25KA Rated operating sequence: O-0.3s-CO-180s-CO(Electric operation) Closing time: 30-60 ms Opening time: 20-40 ms Rated short circuit breakingcurrent breaking times: 30 times Mechanical life: 10,000 times Secondary circuit1 minute powerfrequency withstand voltage: 2000 v Energy storagemotorrated power: 40 w Energy storagemotorrated voltage V: DC220/110 Ratedclosing operationvoltage v: DC220/110, AC220/110 Ratedswitching operationvoltage v: DC220/110, AC220/110 Electricenergystoragetime: ≤8 s