It is a device that integrally assembles switchgear, trip device, etc. into an insulation container that can open and close a energized circuit manually or electrically, and automatically cuts off current in the event of overload, disconnection, and short circuit.

It is a device that integrally assembles switchgear, trip device, etc. into an insulation container that can open and close a energized circuit manually or electrically, and automatically cuts off current in the event of overload, disconnection, and short circuit.

The air circuit breaker is an important protection device that has the responsibility to quickly automatically shut off the power system in the event of a failure in the low-voltage system, as well as to plan for transmission, power, and shutdown using air as a medium.