Hi Peter.Peter Connan wrote:Ouch!
With 3% losses and an assumed cable length of 5m, this calculator:
https://www.solar-wind.co.uk/info/dc-ca ... calculator
Reckons you need 300mm^2...
The switch can handle a constant 500A draw through the unit, it does not necessarily need 500A to operate.
So I'm guessing I need to consider the highest amps draw and from auxiliary battery and match cable size for that.
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