ZW20A-12/T630-20 outdoor high voltage vacuum circuit breaker

The ZW20A-12 outdoor user demarcation vacuum circuit breaker is installed at the T junction or the user end of the 10kV overhead distribution line. It has the functions of automatically cutting off the phase-to-phase short circuit, overcurrent fault and automatic cutting single-phase ground fault, which can ensure the maximum non-standard. The normal power consumption of the faulty users is widely applicable to substations, industrial and mining enterprises, rural power grids, and frequently operated power distribution systems, and can be used as power protection and control equipment.