BAOGUANG GROUP. CO., LTD.
LED mining light, mining light, maintenance free, electric drill, Vacuum circuit breakerVCB, Manufacturer and Supplier - China(CN)
Vacuum circuit breaker(VCB) (ZN85)
Vacuum Circuit Breaker(VCB) is three phase AC 50Hz,40.5kv. we have exported France ,Russia,Bengal and all over world
this vacuum circuit breaker (VCB)is suitable for using in the system of three phase AC 50Hz, 40.5kV for breaking and making load current, over-current, the fault current in the industry and mining enterprise, the power plant and the substation, and also it can be used in the prequent operation situation.
Rated voltage :40.5/35
1min power frequency withstand voltage:95KV
Lighting impulse withstand voltage:185KV
Rated frequency:50HZ
Rated current: 1250,1600,2000A
Rated short-time withstand current: 25,31.5
kA
Rated peak value withstand current: 63,80KA
Rated short-circuit duration :4S
Rated short-circuit breaking current: 25,31.5
kA
Rated short-circuit making current: 63,80KA
Rated operation sequence: O-0.3s-CO-180s-CO