The ZW32-12/T630(1250)-25 Primary and Secondary Fused Polemounted Circuit Breaker (hereinafter referred to as the circuit
breaker) is an outdoor distribution equipment with a rated voltage of 12KV and a three-phase AC frequency of 50HZ. It is mainly used for breaking, closing, and handling load currents, overload currents,and short-circuit currents in power systems. It is suitable for protection and control in substations, industrial and mining power distribution systems, as well as in places with frequent operations in rural power grids. With the addition of a controller, it can achieve automatic distribution network functions.