12 v power connectors

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bri999

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I am planning to fit a chassis power socket in the front of the battery box/passenger seat in my 1999 defender and i was looking at these connectors from RS

Neutrik | Connectors | Audio or Video | Loudspeaker or Amplifier Connectors | Professional |NL4FX

R0464684-25.jpg

and the socket
Neutrik | Connectors | Audio or Video | Loudspeaker or Amplifier Connectors | Professional |NL4MP
R0464690-25.jpg


These are rated at 30A per connection so bridging 2 of the 4 connectors would give 60A current for the + and - cables.

Has anyone else used these connectors before or can anyone suggest a more suitable power connector for powering things like compressors and other high current (30-40A ) items.
 
thank you for all the links. I found the anderson connectors on google and they look like they will do everything we need.
 
wiltshire landyman said:
i use them on the front of my seat box for connecting the jump leads to and will be using them for the compressor when i get one
Click to expand...
I was wondering if they would handle the current when using jump leads.

I made the mistake of fitting bucket seats so getting to the battery requires unbolting the frames!
 
I've seen several references about using multiple switches or connectors to try and increase the current capabilities of a solution. In this case initially it was suggested to use 2 30A connectors to allow 60A of load. I am glad to see that this has been dropped in this case but in general this is an absolute no go solution.

When two contacts are used to work in parallel at anything near the maximum load if either has any degree of resistance almost all of the current will be drawn through the other contact causing it to overload very quickly.

Even the Anderson connector should be used with caution, The SB120 has a cold connect rating of 190A (?) but only 60A hot.

Incidentally a good source of these is battery packs for APC UPS when they are being renewed.
 
bri999 said:
I am planning to fit a chassis power socket in the front of the battery box/passenger seat in my 1999 defender and i was looking at these connectors from RS
Click to expand...

Nout wrong with using speakcon (or powcon) - used in events industry for both audio and power (seperatly)

My bro in law uses XLR connectors for his 12V - all low power stuff, mainly orange flashies - but it means you can just use standard XLR cables (of which we have 100's) to extend your power to where you need it.

I can see a similar application being done with the powcon connectors for more beffier power requirements and the ease to extend it longer distances as required
 
If you're going to use speakon, don't use the plastic ones, they're none too robust. My local arts centre uses them for speaker cables and I've rewired a number where the cable grip has failed and the wires have pulled out.
 
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