Winch Relay Wiring

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Winch Relay Wiring

Postby Rye » 17 May 2018, 17:21

I need a little help figuring out how to wire up a winch solenoid I recently purchased. I've done it with other variates of the same thing, there weren't any instructions labeling the posts with this one.

https://www.amazon.com/gp/product/B004M ... UTF8&psc=1

I'm also wiring in this wireless receiver.

https://www.amazon.com/LIEBMAYA-Wireles ... nch+remote

I've gone through a lot of different ones so if anyone has any suggestions on a better quality (non-china) solenoid, please let me know.

Thanks
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Re: Winch Relay Wiring

Postby farmer » 17 May 2018, 19:04

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Re: Winch Relay Wiring

Postby Burgerman » 17 May 2018, 20:08

Did you consider solid state ones? eBay has many cheap SSR at ac, dc, and various voltages. Mechanical relays are so 20th century. :clap
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Re: Winch Relay Wiring

Postby Burgerman » 17 May 2018, 20:14

Or use a robotic or scooter power module. A speed controller. Then you can control speed, start acceleration, and a multitude of other things.
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Re: Winch Relay Wiring

Postby Rye » 17 May 2018, 21:06

It has to be wireless because I use it to lift my ass in a tractor. I press the remote button with my mouth and guide myself up with my hands. I know some mechanics, but electronics not as much.
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Re: Winch Relay Wiring

Postby Rye » 17 May 2018, 21:07

farmer wrote:https://www.amazon.com/REVERSING-SOLENOID-SWITCH-24450BX-214-1211A51/dp/B01FN1WLTI



I've tried that one and they kept fouling out.
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Re: Winch Relay Wiring

Postby Burgerman » 17 May 2018, 21:23

And? It still would be. Use a controller in place of the relay, keep the remote.
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Re: Winch Relay Wiring

Postby LROBBINS » 18 May 2018, 08:50

If you do want to stick with electromechanical relays I suggest carefully reading the following application notes from TE Connectivity/Tyco - DC switching can be hell on contacts (and on SSD's too):
Tyco suppression app note 1.pdf.zip
(37.25 KiB) Downloaded 40 times
Tyco suppression app note 2.pdf.zip
(32.64 KiB) Downloaded 36 times

NOTE: these are not really zip files - they are just pdf files with .zip added because the board won't upload pdf. Just delete that .zip suffix.
TYCO also has a more extensive document, but you'll have to get it at their web site as it's too big to post here. It's titled "Automotive Relays Application Notes".

Next, do be aware that contactors have limited cycle life, especially if switched under load. Some high current DC relays (moving armature rather than solenoid) are available that will last longer IF you follow what's in those above application notes. For bi-directional motor control you'd need two SPDT relays wired in an H-bridge configuration.

In addition to hobby motor controllers that Burgerman has pointed to, if you are up to making up a board for it STM has a 30-Amp rated all-on-one-chip motor controller, the VNH3SP30-E. It's cheap and reliable, but certainly using it would be more work.
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