• Small volume and large current,saving installation space.The rated current 63A miniature circuit breaker isonly 18mm wide, saving 30% space. • Strong environmental adaptability and reliableoperation in extreme environment. 5℃-40 ℃ ambient temperature application range,to meetthe application needs of various occasions. • Lighter operation.63A product has lighter operation force and is easy to operate. • Contact indication window with clear position.The whole series of contact positions are visualized to avoidmisoperation and more reliable use.