Switchgear, Switchgear Accessories, Vacuum Circuit Breaker manufacturer / supplier in China, offering Long-Lasting Mv Vacuum Contactor Ckj5 for Mining Gear, Ckj5 1.14kv Low Voltage Auxiliary Contactor Electromagnetic Contactor for Mining Equipment, 63A 80A 125A 160A 1140V AC Starters Vacuum Contactor and so on.