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I am working on a ROV (Robot) for underwater missions. I need a beefy switch for main power distribution, which should be able to handle at least 25 Amps.
My current choice is this Rotary Switch:
According to the seller its rated for 10 Amps at 440...
I have a vintage motorcycle (1934 Levis 500cc model D) with a BTH mag generator which I have just fitted. The dynamo is a small permanent magnet DC type, but chucks out about 6v at tickover rising to about 15v when revved. I need a voltage regulator for this machine to avoid blowing all my bulbs...