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  1. #1
    Neale's Avatar
    Lives in Plymouth, United Kingdom. Last Activity: 4 Hours Ago Has been a member for 7-8 years. Has a total post count of 1,536. Received thanks 279 times, giving thanks to others 10 times.
    I'm helping a friend update the control electronics and drive motors on an "old but good" CNC mill. One question that has come up is what people use for things like power distribution in a control cabinet - incoming mains comes via switch/breaker etc and then needs distribution to multiple power supplies/contactors etc. Ditto for other connections.

    My own control box uses DIN rail terminals with some kind of bus bar arrangement (as I remember - it was a while ago!) but are there better off-the-shelf options? I'm sure there must be but can't face the search through hundreds of possible options from RS, etc, so I would appreciate pointers to what works just to save a bit of time and possible choice of something second-best. What's your favourite busbar/distribution solution?

    Thanks in advance,

  2. #2
    Muzzer's Avatar
    Lives in Lytham St. Annes, United Kingdom. Last Activity: 22 Hours Ago Has been a member for 2-3 years. Has a total post count of 241. Received thanks 33 times, giving thanks to others 5 times.
    I used the DIN rail connectors with the busbar type commoning bits. Without them, you have a nightmare trying to connect multiple neutrals, earths, lives etc to each node. Worth using the right bits. I certainly wouldn't cheap out and go for those horrible chocolate block things.

    Something like this https://www.ebay.co.uk/itm/BULK-PACK...0AAOSwLVZV01YS or this https://www.ebay.co.uk/itm/Misc-DIN-...UAAOSwhnNfjdkK

    but don't forget to get the commoning strips too!!!! This sort of thing, although not from there obviously https://www.ebay.co.uk/itm/DIN-Rail-....c100005.m1851

    The pricing in places like CPC and RS is truly piss taking stuff, so you need to shop around.
    Last edited by Muzzer; 4 Weeks Ago at 03:11 PM.

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