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。
Air circuit breaker An air circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.
汇流排联络断路器保护：长延时过流、瞬时过流保护。
Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.
一个简单的电路断路器提供精密过压和过流保护。
A simple circuit breaker delivers precision overvoltage protection and overcurrent protection.
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