circuit breaker
noun [ C ] (also circuit-breaker) uk/ˈsɜː.kɪt ˌbreɪ.kər/ us/ˈsɝː.kɪt ˌbreɪ.kɚ/
(ELECTRICAL)
（电流）断路器
a safety device that stops the flow of current in an electrical circuit when there is a fault
There was a loss of power after a strong gust of wind tripped a circuit breaker.
Compare: fuse noun (SAFETY PART)
- More examples
- You always have to have a circuit breaker so you can disable the system if there is some problem.
- Using a circuit-breaker with an electric mower is a very good idea.
- Under no circumstances should the flight crew reactivate the circuit-breaker after it has tripped.