1. There are so many types of AC contactors. In terms of coil voltage: there are 380V, 220V, and low voltage. Different coil voltage resistance is different.
2. From the series capacitance of the AC contactor itself, there are currents ranging from a few A to a few hundred A (maybe a little more). Different capacities will require different electromagnets
Power and coil resistance are also different.
Some contactors have resistance-capacitance absorbing elements on the coil, so the resistance cannot be measured, and the resistance of the coil with the same voltage is sometimes impossible to be the same. Yes so
Yes, I had it once a long time ago. There is a capacitor and a few diodes in the coil.
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