ZW6-12 series vacuum circuit breaker is high voltage outdoor switch equipment of rated voltage 10KV,tri-phase AC 50Hz,which is mainly applicable to opening,closing load current,overload current,short-circuit current of rural network,urban networkand mini power system.The product's structure is tri-phase together box;tri-phase arc-killing room is installed in metallic case,making use of SMC insulating material insulating of poles and ground,it is reliable and high in insulating degree.