ZW8-12 outdoor vacuum circuit breaker is three-phase A.C 50HZ Outdoor high voltage distribution equipment with 12KV rated voltage and below, which can be used for opening and closing loading current, overloading current and short-circuit current. Also can be used for other similar sites, it is the optimum equipment for the reconstruction of old-fashioned oil switch of rural and municipal electric net. It is accordance with GB1994-2003 standard.
ZW8-12K type combined switch is the combination of vacuum circuit breaker and insolating switch used for 12kV outdoor HV switch equipment, Besides with all the functions as a vacuum circuit breaker, it also can meet the requirement of clear isolation gap during maintenance to VCB in the electrical run system.