Definition of circuit breaker in English:

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circuit breaker

Pronunciation: /ˈsərkət ˌbrākər/

noun

An automatic device for stopping the flow of current in an electric circuit as a safety measure.
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.

For editors and proofreaders

Syllabification: cir·cuit break·er

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