A circuit breaker is a protective device that automatically interrupts the current flowing through it when that current exceeds a certain value for a specified period of time 线路断路器线路断路器是一个保护装置,当通过它的电流超过某个安全设定值一定时间后,它就能够自动切断电流。
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Circuit breaker a circuit breaker is a protective device that automatically interrupts the current flowing through it when that current exceeds a certain value for a specified period of time 线路断路器线路断路器是一个保护装置,当通过它的电流超过某个安全设定值一定时间后,它就能够自动切断电流。