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Extract fan motor

Discussion in 'Electronic Repair' started by pgc2004, Mar 23, 2006.

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  1. pgc2004

    pgc2004 Guest

    I have a single phase 850w extractor hood motor (manufacturer Casals
    top speed 1400 rpm. At the moment I have only on/off control and woul
    like to install a switch to enable variable speed. Any suggestions
     
  2. sofie

    sofie Guest

    pgc2004:
    Generally not a good idea especially for a 850 W motor. At hardware and
    electrical supply store they sell fan speed controls but not for anything
    that takes that much power.... maybe something could be special ordered....
    but be careful, if you get near stall speed the motor can easily overheat.
    Efficiency goes way down as the speed gets slower.
     
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