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circuit leakage protection

TREF, MCCBs with earth leakage protection Independent power supply with build-in power source,directly draws power from the incoming end to avoid the risk of protection function failure caused by external power supply failure. ● Overload protection ● Short circuit protection ● Isolation ● Earth-Leakage Protection ● Used in residential building, non-residential building, industry, energy and infrastructure Earth-leakage protection is a residual current protection based on current measured by a rectangular sensor encompassing the three phases of the three phases and neutral.

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