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Thread: RA2 Maestro Dimmer for Lutron Tu-Wire ballast

  1. #1
    Senior Member
    Join Date
    Oct 2015

    Question RA2 Maestro Dimmer for Lutron Tu-Wire ballast

    Client has fluorescent lamps powered by Lutron Tu-Wire ballast and Lutron Diva dimmer model DVFTU-5A3P. Which RA2 Maestro dimmer could replace the DVFTU dimmer? I've read the Tu-Wire uses only two wires (as the name implies!) and dimming is performed through the hot wire using phase adaptation. That smells like a 6NA or 10ND would be the best candidates to replace the DVFTU. But curious to know what you all think. Thank you!

  2. #2
    Authorized Lutron Contributor
    Join Date
    May 2013
    We would recommend using the RRD-10ND.

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  4. #3
    Senior Member
    Join Date
    Oct 2015
    Indeed you are right. We installed the 10ND and it worked very well with the Tu-Wire ballast. We did, though, adjust the upper limit to 85% to limit the current, the dimmer tends to warm up if left on 100%.

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