Battery switch outside the battery box suggestions - Defender Source
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  #1  
Old December 25th, 2014, 04:59 AM
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Battery switch outside the battery box suggestions

What do you guys recommend for a switch that can be mounted outside the battery box (so I can just reach under and switch it on/off) that can handle the amps for a winch?

Merry Christmas!
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  #2  
Old December 25th, 2014, 07:31 AM
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What winch are you running? Do you know what amp draw is at full load? I've got a warn M8000 on my truck and they quote 435 amps running at full 8K capacity. For my purposes a Blue Sea 9003e will handle 350A continuous and 600A intermittent and do the job nicely.

If your winch draws more than that then the Blue Sea 3000 battery disconnect switch will handle 600A constant and 900A intermittent if you want to be extra safe.
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Old December 25th, 2014, 10:45 AM
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just get a batter switch with removable key like were fitted to NAS 110's. You can get get them anywhere from Harbor Freight up to Hella.
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Old December 25th, 2014, 12:18 PM
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i use a 500amp battery isolator solenoid. they are cheap and have the added benefit of being able to be turned on/off with only 800mA of current. this means that you can put it under the bonnet and wire the cutoff switch in your cab.

two notes about this setup:
1. the life of the solenoid contacts are virtually infinite because 99.99% of the time they are not being opened and closed under load. the only time the solenoid is opened under load is the emergency situation which happens rarely.
2. they should be mounted so that the contacts are pointing up. this allows gravity to assist in blowout during an emergency stop.
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Old December 25th, 2014, 12:27 PM
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I use a marine disconnect similar to a Blue Sea that has multiple positions so I can choose all-off, truck only, or truck and winch. That way the winch can't be operated when parked on a daily basis by someone up to mischief (my controller is still on the front of truck...)
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Old December 25th, 2014, 01:12 PM
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I bought a metal (not plastic) battery cut off switch from Jegs and mounted it in the same location as a NAS110.
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Old December 25th, 2014, 02:57 PM
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Thanks guys, a lot of great options to work out. I'll work this out and post back.
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  #8  
Old December 25th, 2014, 03:13 PM
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Quote:
Originally Posted by Uncle Douglas View Post
just get a batter switch with removable key like were fitted to NAS 110's. You can get get them anywhere from Harbor Freight up to Hella.
The "key" type are probably better for security/etc, but I actually prefer just the "lever" type that sit a little more flush and I don't have to remember where I put the key once I take it out. I have one on the NAS and one on the 130.

This looks similar to what I have:
http://www.performanceplusconnection...mIndexDetail/B
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