Definition of circuit breaker in English:

circuit breaker

Line breaks: cir|cuit break¦er


  • An automatic device for stopping the flow of current in an electric circuit as a safety measure.
    More example sentences
    • This circuit-breaker is suitable for plants in which smooth DC fault currents can occur.
    • This included adjusting the voltages in the electrical system to allow a circuit-breaker to be closed.
    • Eight new styles are being designed especially for the development, and all will include circuit-breakers.

More definitions of circuit breaker

Definition of circuit breaker in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space