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Topic: 240VAC, splitting up (Read 12827 times) previous topic - next topic


Yea, I was going to hook the unit up to a 60 amp breaker.

Any suggestions on distribution blocks? Still looking for those...


Distribution connections are done at the bussbars, breakers, and contactors.. If further interconnects required use DIN mounted pheonix blocks.


Think this will work to split power from the input receptacle to the various loads? http://www.mouser.com/ProductDetail/Molex/39910-0106/?qs=QQJxVsr8EGadqRk8HMoGrw%3d%3d


It would if you are making a PCB, but for point to point wiring use a DIN Mount terminal block or 600V rated cinch blocks, such as:


available in various styles. If you use the open back ones(non 600VAC rated) you must place an insulator behind the barrier strip.


Hmmm. It seems with those, each terminal is isolated. i.e. I couldn't attach a wire from the power in receptacle to the block, and then wire out to each load from there. I was figuring that I would need a total of 4 distribution blocks (h1, h2, neutral, ground) to keep from an unruly mess of wires.


They sell cinch block jumpers....


Feb 05, 2012, 11:41 pm Last Edit: Feb 05, 2012, 11:45 pm by a_m_922 Reason: 1
If i follow what you are wanting to do, I would recommend a 2-pole 60A breaker in your main panel. Appropriately sized wire to the desired location, terminated in a load center. Similar to this, but you'll need a total of 6 spaces http://www.grainger.com/Grainger/SQUARE-D-Homeline-174-Load-Center-1D512
Install properly sized breakers to feed each load. This will properly protect your equipment. The problem with just a distribution block is if one piece of equipment were to short or draw excess current, it would need to draw enough to trip the 60A breaker protecting all of it, each component could now be protected with an individual breaker. Do not install the neutral bonding screw in the load center. From the load center you could then use a 15A breaker with 14awg THHN to your power supply, and so on. Everything stays protected, you stay within code.


a_m, that makes great sense. I think i would smell it if one of the pumps was drawing 60 amps, but this looks to be a much better solution to distributing power, while preventing massive current draws. Thank you.

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