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Fideri avatar image
Fideri asked

One or two fuses?

Hi Everyone,

The Quattro 10000KVA manual recommends x2 50mm sq wire and a 400amp fuse. Is that 2x 200amps or 2x 400amps?

As background, the 2x 50mm sq is equal to 2x 1/0 AGW. A single 1/0 can carry 150amps, so two pieces equals 300amps.
Fideri

fuses
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1 Answer
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kallenr answered ·

a Quattro 10000KVA does max. 20.000 watts.
You have to provide fuse for the maximum power
I = P : U (ampere = watt : volt) -> 20.000 : 48V = 416 Amps

So fuse on the plus or minus with 416 ampere.
it is rounded off here at 400 Amps

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