A suitable to extend the function of the circuit breakers.
There are various lineup of internal and external accessories. These accessories are optional to become the breaker to be safety and convenient.
These accessories are installed inside the breaker. An accessory indicates electrically the status of the breaker, or other accessories trip the breaker electrically by remote operation.
These accessories are mounted outside the breaker. An accessory operates electrically the breaker handle, or other accessory locks its handle to prevent the operation.