I think a two pin MS connector would probably be the most economical, you can cover it with a screw cap if you wish, and you can get on with contacts as big as you need to support the maximum expected current.  I personally have a two-pin slave receptacle on my shop that is connected to my 28VDC shop bus, I use it to run my GRC-122A shelter, and my M38A1 FAC Jeep.  When I had my avionics shop, my bench receptacles  were two conductor 30A twist locks for DC, and 30A 5 conductor twist locks for 115VAC/400 Hz 3 phase.

Scott W7SVJ

From: [email protected] <[email protected]> On Behalf Of W2HX
Sent: Friday, August 30, 2024 09:55
To: k2ajr--- via MRCA <[email protected]>; [email protected]
Subject: [MRCA] External 24V Vehicular Connector?

Hi there. I am doing some radio-related electrical work on my military vehicle (1986 Land Rover Defender). One thing I want to do is to create an external connector for 24V to run things like radios outside the vehicle. I am trying to think of a good panel-mount connector that can be out in the elements, carry some modest current (maybe max 15A).  At first, I was thinking of using the NATO slave connector, but that is seriously overkill and I think I’ve ruled that out. I also came across this connector, but I’m not sure what mates with it:

I’m not sure if anyone knows about this connector and what mates with it, but It is an interesting option.  Something about it makes me think it might be for older vehicles? Maybe Korean war vintage? Not sure.

And finally, I saw this on ebay, this is an MX-7777B/GRC. And this connector look like a good idea. The other pic on ebay shows a screw on cover, which of course I would want. Does anyone know the MS (or Amphenol equivalent) of this connector? I don’t need a whole MX-7777 just to harvest a connector hihi. It seems pretty easy to get mating connectors on ebay for this connector which makes it attractive.

Thanks

Eugene

73 Eugene W2HX
My Youtube Channel: https://www.youtube.com/@w2hx/videos