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LED Panels & Troffers
Advance AmbiStar RELB-2S40-N - (2) Lamp - F40T12 - 120 Volt - Rapid Start - 0.85 Ballast Factor
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Advance AmbiStar RELB-2S40-N

(2) Lamp - F40T12 - 120 Volt - Rapid Start - 0.85 Ballast Factor


Philips Advance AmbiStar ballasts for T12 lamps are an excellent residential replacement for their magnetic counterparts. The Advance RELB-2S40-N electronic fluorescent ballast operates (2) F40T12 lamp at 120 input volts. Ideal for use in normal light areas, this rapid start ballast is typically used in offices, board rooms, and retail.



  • Dimming from 100% down to 15% of relative light output
  • Class B FCC EMI Rating - Required for EPA ENERGY STAR residential lighting fixtures
  • Meets California's Title 24 residential lighting energy efficiency standards with applicable luminaire designs
  • Delivers energy savings of up to 25% over magnetic fluorescent ballast technology
  • Provides flicker-free starting, with lamp ignition in less than 1.0 second
  • Lamp End-Of-Life Protection Circuit - Cuts power to the lamps upon lamp failure

  • Advance's AmbiStar electronic ballasts for dimmable compact fluorescent lamps deliver warm, comfortable, and cost-effective solutions for such applications as downlighting, task, ambient, hallway, and staircase lighting. AmbiStar ballasts are available in a broad range of profiles and models to provide the maximum performance, efficiency, and design flexibility for consumer use.

    Brochures & Spec Sheets


    Stock Code:  BA-RELB2S40N
    Family:  AmbiStar
    Voltage:  120
    Length:  9.5 in.
    Height:  1.18 in.
    Start Temp. (Min):  32 Deg. F
    THD:  20%
    Weight:  1.3 lb.
    Case Quantity:  10
    Brand:  Advance
    Part No.:  RELB-2S40-N
    Ballast Factor:  0.85
    Width:  1.7 in.
    Lamps Operated:  (2) Lamps
    Power Factor:  98%
    Type:  Electronic Fluorescent
    Warranty:  2 Years

    Customer Reviews

    Rated 5 out of 5 by 1 reviewer.
    Rated 5 out of 5 by Let there be light Several fixtures in our church were in need of help and ordered a batch of ballast. The cost was half of what we normally pay local (at a discount). They worked well and the office has a totally different look. July 11, 2012
    • 2015-07-01T05:48:16.772-05:00
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