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# Amp fuse What size fuse should I use for a Pyle 240 watt marine amp. I do not know the model number.

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You need to use a 40 amp

Posted on Feb 11, 2008

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Posted on Jan 02, 2017

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I can't find an online manual for the model of the appliance you are talking about, so I'm unable to figure out the wattage it draws. Nor do I know where you are in the world and the voltage you are running at, so I can't tell you straight off. But I can tell you how to figure it out very easily:

I imagine that know what your main power supply voltage is (either 240 volt or 110 volt).
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Therefore example calculations look like this:

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An appliance with a 750 watt motor on 240 volts: 750/240 = 3.12 so use a 5 amp fuse

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from the model numbers
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