Quote:
Originally Posted by strider3700
If anyone knows of a cheap 30-40 amp 240V relay that can be switched via arduino I'd love to know about it...
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Why not use a solid state relay instead of a mechanical one?
You can pick up a 40A relay very cheap on ebay - and the great thing is you can control it directly from your processor as it can be activated with a 5V signal. Tie the relay + to +5V with a 10K resistor, - to 0V and you're done!