circuit breaker

noun

(electricity) An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.

The circuit breaker tripped and cut off the power supply.

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詳細

意味（1）

(electricity) An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.

From the evidence of witnesses and of the recorded passing times, including the time at which the circuit breakers were tripped when the wires were brought down, the train was travelling at a speed of not less than 70 m.p.h.

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詳細

意味（2）

(electricity) More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device.

意味（3）

(finance) Synonym of trading curb

意味（4）

(chiefly Singapore) Quarantine measures intended to prevent spread of pandemics, such as the coronavirus.

詳細

circuit breaker

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