即当线路出现故障，继电保护使断路器跳闸后，自动重合闸装置经短时间间隔后使断路器重新合上。

That is, when the line failure, the relay circuit breaker tripping, the device auto-reclosing after a short time interval, so that a re-breaker.

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并联跳闸装置- - -一旦控制装置监测到故障发生或电流过载，将自动切断所有连接热水器的所有电源，最大限度保护热水器。

Shunt trip disconnecter - provides maximum protection by interrupting all power to the system in the event of a control sensed malfunction or overcurrent.

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