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Message: <blockquote data-quote="cparker2591" data-source="post: 8638423" data-attributes="member: 674498"><p>[USER=650438]@Jeffdachef[/USER] So what size fuse do i need by the battery under the hood? if i have a total of 3800 rms wattage, divided by 12 volts or so i get 316 amps....add in the class D efficiency of say 75% and i get roughly 395 amps. so what i ordered is a 400 amp ANL fuse holder and fuse. does this sound right? one amp calls for a 300 amp fuse and my other has 3 25amp fuses so 375 would be spot on but i couldnt find a 375 amp fuse. i will be running 2/0 wire which can do 450 amps safely. also do you prefer circuit breakers for high power systems or are fuses still fine.</p></blockquote><p></p>

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