The bearing current of household AC contactor is very large. Generally, the internal pull-in coil controls its action, and the control coil is operated by various types of relays connected in series with it. After thunder, it will trip because the relay of household AC contactor has the function of over-current or grounding protection. When there is lightning on the line, it will control the household AC contactor to act, cut off the load power supply, and protect the equipment from being damaged by high voltage, large current or grounding. Household AC···
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