Quote:
Originally Posted by chuckster57
I wouldn't use a fuse, an automatic circuit breaker would be my choice. 100 amps seems high to me, factory uses 30A.
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You Sure? If he's got a 600 Watt inverter that's 600 watts / 12 volts = 50 amps. If he had a generator, I'd expect that thing to pull at least 30A when turning the starter. I haven't measured slide motors, but I'd expect them to be in the 10-15 amp range running...
All of this adds up, it's all got to flow through that "main" fuse... That being said, it really depends on the electronics in his trailer.
If it's low draw, you could put a simple analog amp meter on it and see what it draws peak.
Fuses should be configured so that they're not lower than 120% of the peak *expected* draw. Just remember that it's sum of everything "in use" at once.