... equipments used eletricity such as high-voltage motor of 12kV or under 12kV, transformer and capacitive loading etc. Especially suitable for frequent ... ).Rated Parameters: Main Technical Parameters: JCZ5-12J(D).Rated Voltage: 12kV.Rated current: 800A, 630A, 400A, 200ARated turn-on current: ... Withstand Voltage: 42kVLightning impulse withstand voltage: 75kVSize: 510mm*240mm*450mm 12kV Vacuum Contactor