circuit breaker

English Thesaurus

1. a device that trips like a switch and opens the circuit when overloaded (noun.artifact)

hypernym	:	electrical fuse, fuse, safety fuse,
definition	:	an electrical device that can interrupt the flow of electrical current when it is overloaded (noun.artifact)

derivation	:	break,
definition	:	interrupt the flow of current in (verb.communication)

derivation	:	break,
definition	:	interrupt the flow of current in (verb.communication)