Red button breaker

Yes but measure your terminal ends to make life easier. You might be in the same situation as me as neither that model or the other one was plug and play.

Mine was smaller than 1/4in. The two versions are 1/4 and 5/16.
 
Also, be prepared to use PB blaster or drill out the head. Mine was corroded and took forever to undo. If you can, might be easier to just cut the terminals and make new ones.
 
Is that for your windlass or something else?
 
glacierbaze said:
You can get the same breaker on Amazon for half price, with an Eaton or Bussmann name on it, instead of Blue Seas. I don't think it even says Blue Sea on it, they just market it.

Amazon.com: Bussmann CB185-40 Surface-Mount Circuit Breakers, 40 Amps (1 per pack): Automotive

Buy Bussmann CB185-40 Surface-Mount Circuit Breakers, 40 Amps (1 per pack): Circuit Breaker - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
www.amazon.com
Click to expand...

When I was looking, I saw the same thing but could not find anything about the warranty. Blue Sea guarantees their products for as long as you own them, which is key to me for saltwater use.

As for price, shop around but I got mine off of Amazon for 42. I remember that being more than other sites but I wanted the ease of return since I bought both models and wasn’t sure which would be easier as I wasn’t by my boat to measure.
 
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If your old breaker was wired on its backside, I would look for a similar type. The reason is that the one you show will have exposed terminals and will be a potential source of an electrical short.
 
I use suggested breakers to add high amp circuit to back of my trucks for receiver wench. Paid 20 bucks for my last 150 amp model on amazon. Place them under hood close to battery. Strongly agree with Seasick about potential for short on boat, if I were to use it I would put in small project box.
 
Fishtales said:
Is that for your windlass or something else?
Click to expand...
No I'm replacing the breaker mounted on the stern, my understanding is it controls all power to the boat?
 

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Yes that is the "House" DC breaker
I used the Bussman 185 -40A with new ring terminals and boots to cover exposed terminals. As said before, make sure you match sizes of rings and studs.
 
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On some of the pics for that breaker, it shows 'built in' terminal boots. Did yours have the tethered boots?
 
I don't believe I have that breaker. Under the gunnel like that, it might be good to get it in a weather box or something to protect the connection points while still providing the access you need. I've seen that breaker switch used for the windlass, but the connections are behind the dash and water getting on it is very limited.
 
Do yourself a favor and put corrosion block on the terminals before you button everything up.
 
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