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1800 Watt dimmer question

Discussion in 'Electronic Basics' started by 1, Feb 13, 2004.

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  1. 1

    1 Guest

    I need a dimmer that can handle 1800 Watts of
    incandescant lights. All the 1800/2400W dimmers I'm
    finding available are rack mounted units mainly for
    DJ use, which is more than I need.

    Any ideas where I can just get a standard switchbox mounted
    1800W dimmer?

    Thanks
     
  2. John Fields

    John Fields Guest

    ---
    Since 1800W at 120V is 15A, the TRIAC doing the dimming would dissipate
    about 15W full on, which is a lot of heat to get rid of in a standard
    switchbox.

    My guess would be that you won't find one.
     
  3. Is it possible to parallel triacs? Seems like it would be possible, but I've
    never tried it.

    Just a silly question. Seems like it would be useful.

    Regards,
    Bob Monsen
     
  4. Louis Bybee

    Louis Bybee Guest

    Leviton, and many other concerns make 1,800 W dimmers that will "kind of"
    fit in a standard switch box. They are commercial models that usually have
    heat sink fins as part of the cover assembly. The "kind of" part is due to
    the size of the heat sink assembly. If the installation is a SG box it will
    work fine. If it will be installed in a box larger than SG, and next to
    other switch devices you need to break off a portion of the fins, and the
    rated wattage capacity must be reduced accordingly.

    Louis--
    *********************************************
    Remove the two fish in address to respond
     
  5. Jerry G.

    Jerry G. Guest

    There are a number of wall mount dimmers on the market that will handle very
    high wattages. They do not mount in to the box as a standard light dimmer.
    They have large heat sinks on the sides to dissipate the heat. The main body
    of the dimmer will fit in to the box, and electrically connect up as normal.
    The heat sinks are necessary to dissipate the heat that the internal
    components make. Leviton is one of the manufactures of this type of switch.
    You will most likely have to go to a supplier for professional electrical
    installations to get one of these. They are not inexpensive, so don't be
    surprised that you will have to put out some cash for one of these. About
    10 years ago, I installed a 1200 Watt dimmer in our dining area for the
    chandelier. It works very well.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    =========================================


    I need a dimmer that can handle 1800 Watts of
    incandescant lights. All the 1800/2400W dimmers I'm
    finding available are rack mounted units mainly for
    DJ use, which is more than I need.

    Any ideas where I can just get a standard switchbox mounted
    1800W dimmer?

    Thanks
     
  6. John Fields

    John Fields Guest

     
  7. Thanks John, I'll take a look.

    Regards,
    Bob Monsen
     
  8. a

    a Guest

    Thanks for the info.
    It doesn't need to fit into a switchbox; I can deal with something
    a little bigger - I just don't need the expensive rack mount dimmers
    I'm finding that are designed for 1800/2400 watts.

    I'll check out Leviton.
    Thanks
     
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