... AC high voltage automatic reclosers This product AC high voltage outdoor intelligent vacuum switchgear rated frequency 50Hz,Website:http://www.qdyonghuaxu.com, rated voltage ... 12KV three-phase. It can replace the circuit breaker column alone; usually with high pressure ... short circuit current breaking time30Mechanical endurance10,000Rated operation voltage (opening, closing coil)VDC220,110 ...