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  1. #1
    Click image for larger version. 

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    please can anyone tell what this is
    its out of my workshop heater
    markings on it VDE in a triangle
    KSD301
    250V 16A
    85 DEGREE C
    where can I buy one from
    Many Thanks Geoff

  2. #2
    I suspect it's a thermal fuse and what it came out of isn't working?
    If I've guessed correctly the thing that doesn't work overheated ;-)

    http://sinolec.co.uk/en/19-thermal-c...metal-switches

    - Nick
    Last edited by magicniner; 28-12-2016 at 06:06 PM.
    You think that's too expensive? You're not a Model Engineer are you? :D

  3. #3
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom. Last Activity: 15 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,333. Received thanks 618 times, giving thanks to others 78 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Quote Originally Posted by geoff View Post
    Click image for larger version. 

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ID:	20113
    please can anyone tell what this is
    its out of my workshop heater
    markings on it VDE in a triangle
    KSD301
    250V 16A
    85 DEGREE C
    where can I buy one from
    Many Thanks Geoff
    Its an over temp. safety cut off switch. You should be able to get one from RS components or a good Electrical wholesaler

    or http://sinolec.co.uk/en/search?contr...submit_search=
    Last edited by Clive S; 28-12-2016 at 06:08 PM.
    ..Clive
    The more you know, The better you know, How little you know

  4. #4
    Bi-metallic thermostat. Will carry up to 16 amps and opens at 85 degrees centigrade. Safety device to prevent over heating. They normally close when cooled down again but easily tested with a meter and a boiling kettle or pan.

  5. #5
    thanks everyone
    makes sense what your telling me
    one of the terminals looks to have overheated and come lose tried to solder it back
    looks like a bad contact and caused the wire to overheated and become corroded




    need to buy a new one thanks Geoff

  6. #6
    CPC is a good price to get this sort of thing:

    http://cpc.farnell.com/temperature-switches


    Hard not to find the £5 worth of parts you need to buy for free postage.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  7. #7
    many thanks for all your help
    part ordered delivered today
    fitted to heater works great no longer freezing my bits off

    once again thanks geoff

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