The traditional solution is an Arc suppression cap across the switch

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In Reply to: Off topic, but maybe someone here can help....please posted by twystd on April 16, 2016 at 16:08:53:

A nice chunky 0.1uf to 0.5uf cap (arc suppression cap) rated at +1500v and a 10 to 20 ohm resistor in series across the switch will suppress the arc and let your switch avoid welding itself together.

Picture of circuit:
http://www.illinoiscapacitor.com/pdf/Papers/spark_suppression.pdf

Arch Suppressor (Open in New Window)

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Follow Ups Full Thread

Topic - Off topic, but maybe someone here can help....please - twystd 16:08:53 04/16/16 (4)

Thanks guys, all good suggestions, I'll try all of them (nt) - twystd 19:25:25 04/17/16 (0)

The traditional solution is an Arc suppression cap across the switch - Chip647 07:38:16 04/17/16 (0)

RE: Off topic, but maybe someone here can help....please - manerac 06:46:27 04/17/16 (0)

RE: Off topic, but maybe someone here can help....please - Eli Duttman 20:40:11 04/16/16 (0)

Follow Ups

The traditional solution is an Arc suppression cap across the switch - Chip647 07:38:16 04/17/16 (0)

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