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fusing winch. (battery to winch)

General Tech Talk

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fusing winch. (battery to winch)

Post by brendan_h »

what are people using to fuse winch power cables? i run a 10MM cable from the battery to the winch
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Post by ajsr »

high power audio fuses are cheap and avilable from about 60 amp to about 250 300 amp
i use about 160 amp i think from memory on my 6000lb winch and ive never blown it although some people here think its not enough
maybe buy the biggest you can
a lot of people dont use fuses or use a isolator switch but i think a fuse is cheap insurance (beats burning your 4x4 to the ground)from rubbing through a 10mm2 cable.(real ugly)make the fuse as close to battery as possible
cheers andrew
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Post by brendan_h »

well most winches seem to draw off around 450amps at max pull.

i will find the biggest one i can

thanks
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Post by ajsr »

450 amps seems real large :?:
Im not sure 10mm cable even carries that much
ive had my 6000 lb to near stopping and never blown fuse
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Post by brendan_h »

how many amp fuse was it?
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Post by ajsr »

im running about 160 amp
but if you can find bigger id buy that
my fuse was the biggest i could find at the time
juat checked on 10 mm2 cable rating its rated at about 100-120 anp continious but im sure it carries a lot more in bursts
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Post by phil94delica »

I dont know if ppl realise this but it is possible to run 2 smaller fuses in parallel to get a higher current rating. ie 2 x 100A fuses will give you 200A.

I just mention this cos it might work out cheaper to use 2 smaller fuses then one big one.

On the same line of thought you could use a pair of those 100A circuit breakers so they are easy to reset.

Just a thought.
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Post by ajsr »

breaker would work
at least it would give you time to find a short before you have a pile of ash
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Post by ajsr »

pm want33's
he runs a fuse on his 12000lb winch im not sure of the size
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Post by Shadow »

phil94delica wrote:I dont know if ppl realise this but it is possible to run 2 smaller fuses in parallel to get a higher current rating. ie 2 x 100A fuses will give you 200A.

I just mention this cos it might work out cheaper to use 2 smaller fuses then one big one.

On the same line of thought you could use a pair of those 100A circuit breakers so they are easy to reset.

Just a thought.
thats a pretty crappy way of fusing something IMO.

Just buy the right fuse for the job. Then when the fuse blows you only need 1 spare not 2.
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Post by phil94delica »

It was just a sugestion. I was thinking more along the lines of being able to use circuit breakers. I have seen 100A circuit breakes so a pair of them would work well.

I dont use fuses at all. I use circuit breakers for everything I add. Then I dont have to worry about fuses.
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Post by want33s »

I use one of these..
My winch shorted out recently... Boy am I glad I fused it. :D
Image

Jas.
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Post by Sixty's Guy »

want33s wrote:I use one of these..
My winch shorted out recently... Boy am I glad I fused it. :D
Image

Jas.
Where do you find those? I have had two winches - el cheapo Ebay job and an Ironman and both of those shorted stuffing $300 total in batteries.
AKA Mark.
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Post by want33s »

http://cgi.ebay.com.au/DUAL-BATTERY-TER ... dZViewItem

Make sure when you buy it you also buy extra fuses as they aren't commonly available.
I got two of the big black ones and two of the orange ones as spares delivered for $50.
Jas.
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