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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems > Best way to fuse Battery
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Thread: Best way to fuse Battery Reply to Thread
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Topic Review (Newest First)
02-04-2011 11:12 PM
mitiempo Blue Seas recommends against these breakers for high inrush loads like engine starting as well. Fuses are a better choice.

From Blue Seas
02-04-2011 10:34 PM
sailingdog While you do have to replace fuses, properly sized, they're more reliable than a circuit breaker for this purpose.
Quote:
Originally Posted by newhaul View Post
did i miss a post i didnt see any mention of using a marine grade breaker they are available in many ratings they can be reset fuses need to be replaced.
12vdc 40a Marine Circuit Breaker - - Product Reviews, Compare Prices, and Shop at Shopping.com
02-04-2011 09:54 PM
btrayfors
Quote:
Originally Posted by newhaul View Post
did i miss a post i didnt see any mention of using a marine grade breaker they are available in many ratings they can be reset fuses need to be replaced.
12vdc 40a Marine Circuit Breaker - - Product Reviews, Compare Prices, and Shop at Shopping.com
Yep. You did.

Most circuit breakers do not have a high enough AIC to meet ABYC recommendations for direct connection to house batteries.

However, the NEW Blue Sea Systems Series 187 breakers do...they have a 5,000 amp interrupt capacity: 187-Series Thermal Circuit Breaker Panel Mount - Blue Sea Systems

Bill
02-04-2011 09:21 PM
newhaul did i miss a post i didnt see any mention of using a marine grade breaker they are available in many ratings they can be reset fuses need to be replaced.
12vdc 40a Marine Circuit Breaker - - Product Reviews, Compare Prices, and Shop at Shopping.com
02-04-2011 06:38 PM
Tree These things (like I pictured) are still on the WM shelf here. I think it is possible that it's (old stock?) in more places than just here. So, anyone out there buying one of these, be careful!

Bottom line, I didn't buy it..... It didn't make sense to me. That's why I brought up the subject here. So, I've ordered it from Defender. I would hope that it's the "newer" model that they send me.

Thanks again everyone.
02-04-2011 08:19 AM
sailingdog The newer version is far more idiot proof... protecting people from themselves is a good idea when it comes to something as basic as fuses.

Quote:
Originally Posted by btrayfors View Post
Aaha! Now I really, really understand your confusion. Really :-)

I saw one of those at the local West Marine. It was loose, no fiber washers, no instructions, no nothing. I assumed it was a manufacturing defect, and told the store manager to send it back, which they did.

But, now I think Mitiempo has it right: they've changed the design. No fiber insert required.

I think the new design is MUCH better; the old design was just asking for trouble.

Send it back!

Bill
02-04-2011 08:07 AM
eherlihy WOW!

How long have you had that thing? That looks like version 0.1A!

I agree with Bill. Send it back!
02-04-2011 06:42 AM
btrayfors
Quote:
Originally Posted by Tree View Post


Clearly, we are not talking about the same part.

Aaha! Now I really, really understand your confusion. Really :-)

I saw one of those at the local West Marine. It was loose, no fiber washers, no instructions, no nothing. I assumed it was a manufacturing defect, and told the store manager to send it back, which they did.

But, now I think Mitiempo has it right: they've changed the design. No fiber insert required.

I think the new design is MUCH better; the old design was just asking for trouble.

Send it back!

Bill
02-03-2011 10:48 PM
mitiempo While they may have changed the configuration as happens with many products I think if you follow the instructions that come with the one you buy it will work fine.
02-03-2011 10:36 PM
Tree

Clearly, we are not talking about the same part.
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