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I just bought a external electric fan relay kit from jegs. Pretty basic wiring but it came with this small ugly circuit breaker the kind you find at the hardware store. 12v 30a. I was wondering if I would be able to put an inline 30a fuse instead? Its much cleaner and Im able to hide it in the loom. But I dont want to comprimise my fan,engine or both.
 

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The system will be fine with a 30 amp inline fuse holder. I run a dual fan dual relay set up from Ron Davis and the relays supplied are Hella's w/ inline 30 amp fuses, they have a rubber enclosure around each one to keep them dry as well. If my memory serves me right the fuse holder pig tails should be minimum 12 guage.

Rich
 

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Circuit breakers for large loads like fans is my preference. Fans can draw a lot of current when they first start. To account for the startup load, a fuse has to be oversized slightly. A circuit breaker is a bit more forgiving and will self reset if it does trip for some reason.
 
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