How to Test a Contactor with a Multimeter (Coil & Contact Check)
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YouTubecagmito76
How to Test a Contactor with a Multimeter (Coil & Contact Check)
If a motor, compressor, or heating element isn't turning on (or won't turn off), a faulty contactor is often the cause! The contactor is essentially a heavy-duty electric switch that controls high-current circuits using a low-current signal. This video provides a complete, easy-to-follow guide on how to test the two main parts of any standard ...
6.1K viewsApr 30, 2022
Contactor Working Principle
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Contactor working principle When the contactor coil is energized, the coil current will generate a magnetic field. The generated magnetic field causes the static iron core to generate electromagnetic attraction to attract the moving iron core and drive the AC contactor to act. The normally closed contact is disconnected and the normally open contact is closed. Both they are linked. When the coil is de-energized, the electromagnetic attraction force disappears, and the armature is released under
0:29
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