Circuit breaker auxiliary contact is what?
to prevent short-circuit, to ensure that the arc up to ensure that contact Reliable breaking of the system. The frame circuit breaker adopts the modular structure,
Molded case circuit breaker with plastic structure, is characterized by the circuit breaker shell, the frame made of plastic from the contact, the arc system are placed in the insulating chamber
and the need to pay attention to the place. Frame breaker has high capacity and function - engineer 1
which is divided into frame, contact arc extinguishing system, manual operation mechanism, electric operation mechanism,
