circuit breaker

US /ˈsɜːr.kɪt ˌbreɪ.kər/
UK /ˈsɜːr.kɪt ˌbreɪ.kər/
"circuit breaker" picture
1.

disyuntor, interruptor automático

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

:
The lights went out because the circuit breaker tripped.
Las luces se apagaron porque el disyuntor saltó.
You need to reset the circuit breaker to restore power.
Necesitas reiniciar el disyuntor para restaurar la energía.