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  • Brand: Fulham
  • Voltage: 277
  • Number Of Lamps: 1
  • Ballast Factor 0.9-1.0
  • THD: < 33%
  • Power Factor > 0.9
  • Start Method: Instant Start
  • Min Start Temp: -20 Degree F
  • Case Quantity: 50
  • Width: 1 in.
  • Height: 0.76 in.
  • Length: 7.5 in.
  • Warranty: 5 Years
  • Usually Ships 1-2 Weeks



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The Fulham Workhorse instant-start 277V electronic ballast is made to power one lamp. Featuring a ballast factor of 0.9-1.0, this ballast has an efficacy factor of 4.0-7.1 This 277V ballast has a minimum start temperature of -20 degrees Fahrenheit and a THD of less than 33 percent.

A global leader in lighting solutions, Fulham is known for its strict quality control measures, resulting in a reliable, well-made product. That’s reflected in the warranty that Fulham includes with each Workhorse that covers it for five years.

This Fulham ballast is capable of powering many different types of lamps and numerous sorts of configurations. If you have questions about which Fulham ballast is most suitable for your particular project, just ask us. At, we love to educate people with questions, because we believe that educated consumers become satisfied customers.

This ballast will power many different lamp types in multiple configurations. Please use the ballast finder for help finding the right Fulham Workhorse ballast for you.

Download Fulham Ballast Chart.pdf

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