1)No.1 Vacuum circuit breaker factory 2)Export to many countries 3)23 years' manufacture experience

ZW10-12 Series Outdoor High Voltage Vacuum Circuit Breaker

ZW10-12 Outdoor High Voltage Vacuum Circuit Breaker is rated voltage 12KV, three phase AC 50HZ outdoor distribution equipment ,mainly used for load current ,overload current and short circuit current of distribution equipment of rural power network, city network, railway, mines and ports ,handoff and protect power grid.

Mainly Technical parameters
No	Item	Units	Parameters
1	Rated voltage	kV	12
2	Rated current	A	630    1250
3	Rated frequency	Hz	50
4	Rated short-circuit breaking current	kA	12.5	16	20
5	Rated peak value withstand current(peak)	kA	31.5	40	50
6	Rated short time withstand current(4s)	kA	12.5	16	20
7	Rated short-circuit closing current (peak)	kA	31.5	40	50
8	Rated short-circuit breaking current breaking number	Times	30
9	Mechanical life	Times	10000
10	Power frequency withstand voltages(wet) (dry) inter-phase ,earth, fracture	kV	42
11	Lightning impulse withstand voltage (peak) inter-phase ,earth, fracture	kV	75
12	Secondary circuit 1min power frequency voltages	kV	2
13	Net weight	kg	150

ZW10-12 Series Outdoor HV VCB