The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.

A302手动起动器是三相手动电动机起动器和保护装置，带有瞬间磁性短路跳闸机制。

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Air circuit breaker An air circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.

空气线路断路器空气线路断路器的功能是当电流大小超过断路器的过流跳脱设定值后自动断开。

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When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.

当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。

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In a vacuum, a conventional circuit breaker -- which measures heat across a load -- doesn't work, because there, there's less or no atmosphere there to draw the heat off, so a conventional circuit breaker would trip.

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It is all a far cry from the tour's first trip to the UK in 1974, when the riders were confined to a circuit of dual carriageway near Plymouth.

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