Main application ZN63A-12 (VS1) type indoor high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is used for indoor high voltage switch equipment of power system, as a protection and control unit of network equipment, industrial and mining enterprises power equipment, suitable for the place of frequent operation at rated working current or many times of breaking short-circuit current place.
The circuit breaker uses the integrated design of actuator and the circuit breaker body, not only can be used as a fixed install unit, also can be equipped with special chassis, hand car unit.