Last Updated：2025/11/21

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

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circuit breaker

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Source Word

circuit breaker

Noun

Singapore

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

Japanese Meaning

電気回路のあらゆる運転条件（正常時および故障時）において、電流の流れを遮断または接続することができる電気スイッチ装置。通常、過負荷や短絡などの異常状態から回路を保護するために使用される。

What is this buttons?

When the power surge occurred, the circuit breaker tripped to protect the wiring.

Google Translation / DeepL Translation

電力サージが発生したとき、遮断器が作動して配線を保護しました。

Details

Sense（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.

Google Translation / DeepL Translation

Details

Sense（2）

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

Sense（3）

(finance) Synonym of trading curb

Sense（4）

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

circuit breakers

（ plural ）

Details

circuit breaker

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circuit breaker

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