ZN63A(VS1-12) series indoor high voltage vacuum circuit breaker is switchgear for 12KV, three phases 50Hz system. This product is designed and developed by introducing technology from Switzerland ABB company and integrating with national research and development capability. The structure is integrated with breaker body and operating mechanism, adopting composite insulating material with non pollution, non explosion danger and high insulating level.
Its operating mechanism is spring charging, operated by AC motor, also by hand.
