Fuses for the charging circuit - SailNet Community
 
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post #1 of 6 Old 06-17-2009 Thread Starter
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Fuses for the charging circuit

My charger (Xantrex Trucharge 20) connects to the battery bank with 8 ga. wire and a 30 amp fuse is specified. The 8 ga. is much too big for a standard in-line fuse holder. Blue Seas (among others) has quite a confusing array of different fuse types. I am not sure what the best fuse holder would be for this application. Can anybody advise me on which to use?

While we're at it, what about a fuse (or fuseable link) for the battery bank (2 group 27s wired in parallel)? Any suggestion for a good product which won't break the bank?

thanks

Keith
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post #2 of 6 Old 06-17-2009
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For the Xantrex this is a good option from Blue Seas:
MAXI Fuse Block - Blue Sea Systems
For your battery bank this is a good option also from Blue Seas:
SEA Fuse Blocks - Blue Sea Systems
I have used these and they are well made and quite affordable.
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post #3 of 6 Old 06-17-2009
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Whatever you get, and the two Mitiempo suggests are both good, make sure you get extra fuses. Try to limit the number and types of fuses you use aboard your boat to make inventory simpler.

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post #4 of 6 Old 06-17-2009
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Consider the resetable circuit breakers, the series at Blue Seas have a 1/4 x 28 studs for mounting heavy cable. Having a breaker means never having to fumble around looking for another fuse.

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post #5 of 6 Old 06-17-2009
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I agree breakers are more convenient than fuses, but while a 30 amp breaker is pretty cost effective, the much larger rating for the house bank would be quite expensive in a breaker.
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Also, circuit breakers are more prone to failure, especially if they're located down by the batteries as they're supposed to be.

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