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I recommend that you do not use an automotive relay to switch 375 volts DC. Automotive relays are not capable of interrupting current at high voltages. High voltage DC will draw an arc. Unlike AC, which has a zero voltage crossing, DC does not and will sustain an arc unless your relay has some kind of arc arrest device such as a magnetic blowout. A friend of mine had built a charger for a 96 volt battery pack. He used a 12 volt computer relay to disconnect the high voltage.
jay86rome 2 years ago
The arc blew a hole on the relay casing resulting in a 4 inch flame
jay86rome 2 years ago
Nice video, great ideas.
One question: why you didn't put that second converter into the same box you already put 3 converters? You could use the same radiator and reduce number of cables that way.
mho69 2 years ago