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trolling motor fuse/circut breaker

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need a fuse for the maxxum 80 can someone tell me the difference between the bussman style 50 amp for about 10 buck verse the minnkota style bigger circuit breaker for about 40 bucks don't they both do the same thing or is the minnkota that much better  

I would assume the $10 Busman is a fuse where as the MK is a circuit breaker that is able to be reset.

If the MK breaker pops you just have to reset it (provided there is not an ongoing short or other power issue) with the push of the breaker button.

With the fuse you have to actually replace the fuse to "reset" it.

but thats just a guess :-?

  • Super User

Ask yourself??

MinnKota http://www.cabelas.com/cabelas/en/templates/links/link.jsp?id=0031071017271a&type=product&cmCat=SEARCH_all&returnPage=search-results1.jsp&Ntk=Products&QueryText=circuit+breaker&sort=all&Go.y=9&_D%3AhasJS=+&N=0&Nty=1&hasJS=true&Go.x=15&_DARGS=%2Fcabelas%2Fen%2Fcommon%2Fsearch%2Fsearch-box.jsp.form23&_dyncharset=ISO-8859-1

Without MinnKota name

http://www.sjgreatdeals.com/atscb50.html

Then you have these

http://www.terminalresolutions.com/servlet/the-1040/5-AMP-CIRCUIT-BREAKER/Detail?gclid=CL7dgM_OtZoCFQZfswodHWRQdQ

The breaker I prefer have a mouting bracket on one side that mounts them directly to the batter. I get them from a local marine dealer, don't seem to find them on the web.

I just noticed the Cabela's is the 60 amp, those are close to $30 each.

I guess I should also mention, 50 amp fuses or breakers are probably not going to be big enough for a 24V 80 lb TM. On max, you are probably going to be pulling close to 60 amps. I run two 35 amp breakers in parallel with my 24V 87 lb. I can buy two 35's for less than $10, a 70 amp breaker was over $50.

I wouldn't even consider running a fuse on a TM.

you might want to check but I think minnkota recommends a 60 amp breaker for the maxxum 80.  The breaker on my boat is a 50 amp manual reset and is marked "shortstop" I got it from my local marine dealer for about 10 bucks.  

  • Author
Ask yourself??

MinnKota http://www.cabelas.com/cabelas/en/templates/links/link.jsp?id=0031071017271a&type=product&cmCat=SEARCH_all&returnPage=search-results1.jsp&Ntk=Products&QueryText=circuit+breaker&sort=all&Go.y=9&_D%3AhasJS=+&N=0&Nty=1&hasJS=true&Go.x=15&_DARGS=%2Fcabelas%2Fen%2Fcommon%2Fsearch%2Fsearch-box.jsp.form23&_dyncharset=ISO-8859-1

Without MinnKota name

http://www.sjgreatdeals.com/atscb50.html

Then you have these

http://www.terminalresolutions.com/servlet/the-1040/5-AMP-CIRCUIT-BREAKER/Detail?gclid=CL7dgM_OtZoCFQZfswodHWRQdQ

The breaker I prefer have a mouting bracket on one side that mounts them directly to the batter. I get them from a local marine dealer, don't seem to find them on the web.

I just noticed the Cabela's is the 60 amp, those are close to $30 each.

I guess I should also mention, 50 amp fuses or breakers are probably not going to be big enough for a 24V 80 lb TM. On max, you are probably going to be pulling close to 60 amps. I run two 35 amp breakers in parallel with my 24V 87 lb. I can buy two 35's for less than $10, a 70 amp breaker was over $50.

I wouldn't even consider running a fuse on a TM.

so how would i link 2 35 bussmans just like batteries positve to negative the one then the pos on one and neg on the other ?

  • Super User

I just used some copper bar about 1/4" thick and 3/4" wide and a couple of inches long.  I drilled a hole in the center of each the size of the stud on my battery.  I then drilled holes on each end the size of the studs on the circuit breakers.  I fastened both breakers to both pieces so the copper bars were across them and tightened firmly.  I mounted one bar on the battery stud and bolted Lug on the end of my positive TM cable to the hole in the center of the other.

No need connecting breakers on the negative and positive cables, the same current passes through both so you only need one breaker.

You will have your batteries connected in series, Postive TM cable to Positive post of battery A, the negative post of battery A connected to the Positive post of battery B and the negative TM cable connected to the negative post of battery B.   The circuit breakers will be connected between the Postive TM cable and the Postive post of battery A.  

Cabela's usually has good prices on TM cable, some of the locals get very proud of their's.

I would assume the $10 Busman is a fuse where as the MK is a circuit breaker that is able to be reset.

If the MK breaker pops you just have to reset it (provided there is not an ongoing short or other power issue) with the push of the breaker button.

With the fuse you have to actually replace the fuse to "reset" it.

2X

but thats just a guess :-?

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