Need a Connector

Discussion in 'Lighting and Electrics' started by bobgaggle, Sep 19, 2019.

  1. bobgaggle

    bobgaggle Well-Known Member

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    Maybe this should go in the off topic section, but I need help finding a connector. I'm whipping up a home brew temperature and humidity controller for a curing chamber I'm making (going to try to ferment some salami/prosciutto etc). To make this thing professional-ish, I need to find a 3 pin connector, the female side being panel mounted. Temperature probes/thermocouples have their own connector for this application. Like this one,
    upload_2019-9-19_16-17-4.png

    But the humidity probe has three wires and I can't seem to find a 'standard' connector for it. Any thoughts?
     
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  2. JD

    JD Well-Known Member

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    Well, there always the connector that every other industry in the world uses sooner or later for 3 conductors --- XLR
     
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  3. bobgaggle

    bobgaggle Well-Known Member

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    Yeah I considered that. Seemed a bit excessive given the wire size on the probe. Looking for a lightweight plastic thing...
    IMG_9914.JPG
     
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  4. RonHebbard

    RonHebbard Well-Known Member Premium Member

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    Last edited: Sep 19, 2019
  5. DrewE

    DrewE Well-Known Member

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    There are many, many options available. XLR, mini-XLR, RJ11, 1/4" or 1/8" TRS, DIN, mini-DIN, and Phoenix/euroblock, among many others, are all pretty easy to find and have three or four contacts (or at least versions with three or four contacts).

    RJ11 (i.e. phone cord plugs) might be a good option if you don't need sealing or particularly great strength or super frequent insertion/removal. Crimper tools are easy to find, inexpensive, and quite straightforward to use.
     
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  6. JonCarter

    JonCarter Well-Known Member

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  7. JimmyM

    JimmyM Member

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    My favorite small connector would be these JST SM connectors, they are small, light, have a durable locking mech, and are cheap. heres some pigtails from Amazon, and heres some on Digikey, of course you can get them at whatever your favorite electronics wholesaler is.

    You can use a pretty standard crimping tool for these, and if you use the pigtails no crimping is required.
    [​IMG]
     
  8. tjrobb

    tjrobb Well-Known Member

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    Might look at ballast disconnects for fluorescent lights. They have two and three wire flavors, and are pretty cheap.
     
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  9. Chris Pflieger

    Chris Pflieger Well-Known Member

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  10. bobgaggle

    bobgaggle Well-Known Member

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    went with the 3.5mm trs. Now I gotta figure out how to solder wires so tiny. I'm used to working with Romex and SJ, not this low voltage stuff.
     
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  11. Chris Pflieger

    Chris Pflieger Well-Known Member

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