#Method for Testing the Condition of AC #Contactor Coils with a #Multimeter https://www.bestcontactor.com/method-for-testing-the-condition-of-ac-contactor-coils-with-a-multimeter/ The main faults of AC contactor coils are coil open circuit or poor coil #insulation. These can be detected separately using the resistance range and insulation resistance range (megohm range) of a multimeter. Below are the detailed operation steps: Limitation: It cannot judge coil insulation and inter-turn short circu

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