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DC connectors for multi-voltage power supplies

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T3sl4co1l:
I've seen a lot of Molex KK (0.156" pitch) in old open-frame supplies.

I've used Molex KK and SL (0.1") on hand-made protos before, and I frequently use 0.2" pluggable (Eurostyle?) headers where higher voltage/power is present.  Think all my offline power supplies use a 5-pin header: hot, NC, neutral, NC, earth.

Tim

soldar:
Depending on how often they need to be connected and disconnected.

I have made connectors using barrel screw terminals. You can take a bunch of rigid wires and solder them on a strip of PCB and solder the cables to that. Then you just introduce the wires in the terminals and tighten the screws. There is no danger of mistakes or shorts.

If it is something that needs to be connected and disconnected often and fast you could do the same with banana plugs.

Kjelt:
If its an internal connection you can use the Molex, but the tools are pretty expensive and you need to triple check the crimp for quality.

If it is external connection I would advice connectors with mechanical cable strain relief.
I myself use Neutrik XLR 3 the silver type for dual voltage medium Amps. Higher amps like motors I used the Silver metal SpeakCon connectors.

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