FIELD: electricity.
SUBSTANCE: circuit breaker consists of: main body; switching mechanism located in the main body and containing mechanical part for circuit opening and closing; releasing gear configured to actuate the switching mechanism into a circuit-opening position in case of abnormal current detection in the circuit; and external removable device attached to the main body; at that the circuit breaker includes a disconnecting mechanism configured to disconnect the switching mechanism by contacting with at least a section of the external device when this external device is attached to the main body.
EFFECT: capability of automatic disconnection by the circuit breaker as soon as the external device is connected to it even in an engaged condition.
6 cl, 9 dwg
