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Thread: Need this potentiometer to anyone can help

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    Default Need this potentiometer to anyone can help

    arc200 inverter welding plant. i haved search almost every where .no avail

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    Last edited by source; 15-07-22 at 12:48 PM.
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    Quote Originally Posted by fandtm666 View Post

    Been here before ~ that's a good physical match, but OP's going to need do their own due diligence wrt the pot's resistance value, pinout, shaft length etc etc...

    ...these pots are chinese knockoffs, made to order and usually are only supplied as part of the panel PCB assembly ; they can sometimes come up with their own {ahem} standards wrt shaft length/diameter/design & pinouts ;



    That's from the Bournes datasheet ~ we tend to consider this to be the defacto 'standard' pinout variations --- hint: never assume the pot 'wiper' pin is assigned to pin 2 on these CN made pots....(don't ask me how I know 8)

    What I got stuck with, was (plastic) pot shaft length versus knob fitment no match + having to mod the board 'coz chinese pinout, so end of the day I just forked out $25 on ebay to buy a complete new controller board as a parts donor;




    Just pointing out to take care, just because YMMV so much with this stuff =)

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    Quote Originally Posted by fandtm666 View Post
    Nice find ~ YT can often be a useful resource, especially wrt teardowns. You just need to be careful wrt which model/mains voltage folks are referring to. =)

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    Thanks so much for the info
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