If a short circuit occurs the current will rise rapidly through these switches and when it reaches a predetermined trip level, both devices turn off simultaneously.
如果出现短路电流将迅速上升，通过这些开关，当它到达预定的访问级别，这两种设备同时关闭。
If a short circuit occurs the current will rise rapidly through these switches and when it reaches a predetermined trip level, both devices turn off simultaneously.
如果出现短路电流将迅速上升，通过这些开关，当它到达预定的访问级别，这两种设备同时关闭。
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