AC blower starting capacitor

jadnashua said:

The voltage rating on a capacitor (similar to the insulation on a wire) is the max supported before it could arc or short out by jumping between the insulation and the working parts. So, with what you have, you are getting a better rating.

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Bobver said:

I understand well the VDC rating of capacitors. I have just never heard the voltage rating of capacitors expressed in therms of AC voltage before. Thanks.

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Thatguy said:

AC voltage rating = "bipolar" capacitor. They have a ripple current rating because this current causes internal heating, which shortens service lifetime.

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