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Isolation switch

Dec 07, 2016

Isolation switch:isolation switch has obvious fracture can be identified on or off, mainly used to isolate high voltage power supply, in order to ensure the safety of lines and equipment maintenance, can be divided into very small current (usually only a few amps). Because there is no special arc extinguishing device, so it can not be used to break the fault current and the normal operating current, does not allow breaking operation with load。