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Help CenterHigh Voltage Indoor 3 Phase Vacuum Circuit Breaker for Protect Short-circuit Current
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Certification:CE、ROHS、 FCC、GB1984, IEC
1)No.1 Vacuum circuit breaker factory
2)Export to many countries
General: ZW-40.5 type outdoor high voltage vacuum circuit breakers is a kind of three-phase outdoor HV switch gear of AC 50HZ and rated voltage 40.5KV and below, mainly applicable to control and protection of 35KV power system, used for breaking and making load current, overload current and short-circuit current.
The circuit breaker is in conformity with GB1984-1989 High-voltage alternating-current circuit breakers and IEC56, IEC62271-100 High-voltage alternating current circuit breakers, equipped with spring operating mechanism or electromagnetic operating mechanism, with characteristics of strong breaking capacity, lower operating power and high reliability.
Main technical parameter
1. Rated voltage(KV): 15,24,36,40.5
2. Rated current(A): 630/1000/1250/1600/2000
3. Rated short circuit breaking current(KA): 12.5/16/20/25/31.5
4. Rated short circuit making current (peak value): 50KA
5. Rated peak value withstand current : 50KA
6. Rated short-time withstand current(KA): 50/63/80
7. Rated insulation level:
Power frequency withstand voltage (dry test)(KV): 50/60/70/95
Lightning impulse withstand voltage (peak value)(KV): 110/150/170/185
8. Rated sequence of operations: O-0.3S-CO-180S-CO
9. Breraking times of rated short-circuit breaking current: 12 times
10. Mechanical life: 10000 times
33kv 40.5kV High voltage Outdoor AC three phase Vacuum Circuit Breaker auto recloser with controller auto recloser
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