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  1. #1
    Join Date
    Jul 2002
    Location
    Bellevue WA
    Posts
    82

    Duct heater high limit

    I need some "klixon" or "snap-disc" type high limits for a 480v circuit. I haven't been able to find any that are rated above 277v. Anybody know of a source?

    They're for electric duct heaters made by HW Tuttle in the mid-sixties.

    Thanks.

  2. #2
    Join Date
    Aug 2006
    Location
    Mixing oil and fire with a big spoon.
    Posts
    4,457
    have you tried using a low voltage snap disc and having that turn on a relay/contactor instead? it is a little more re-wiring but it would probably end up costing less.
    How to make the perfect "Half-Hitch" knot or any other boyscout knot in 3 easy steps...

    1. Remove your meter leads from the meter and very carefully return them to their storage case or bag.
    2. Wait 2 seconds
    3. Very carefully remove your meter leads from their storage place and enjoy your new knot!

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