Switchgear, Switchgear Accessories, Vacuum Circuit Breaker manufacturer / supplier in China, offering Liyond Electric AC Vacuum Contactor Ckj5-250/1.14, Ckj5 Series Vacuum Contactor 1140V for Mining Machinery, High Voltage 20kv 26kv Lighting Arrester Hy5ws-26/66 Polymer Surge Arrester and so on.