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  • Brand: Fulham
  • Voltage: 277V
  • Number Of Lamps: 1 or 2
  • Ballast Factor 0.7-1.3
  • THD: < 35.9%
  • Power Factor > 0.9
  • Start Method: Instant Start
  • Min Start Temp: -20 Degree F
  • Case Quantity: 50
  • Width: 2.32 in.
  • Height: 1 in.
  • Length: 3.37 in.
  • Warranty: 5 Years
  • Usually Ships 1-2 Weeks



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The Fulham Workhorse 277V instant-start electronic ballast from is a versatile electronic ballast with many potential applications. Small in its case size but big in its power factor, this ballast is lightweight and highly efficient.

Capable of operating one or two lamps, this quality ballast has a ballast factor of 0.7-1.3 and a THD of less than 35.9 percent. Just 2.32 inches wide by 1 inch high by 3.37 inches long, the Fulham Workhorse 277V instant-start electronic ballast boasts a power factor of greater than 0.9. Minimum start temperature is -20 degrees Fahrenheit.

Made by Fulham, a leading global manufacturer of lighting products, this ballast is subject to rigorous quality control and comes with a five-year warranty. It can accommodate many different types of lamps as well as many kinds of configurations. If you have questions about potential applications for this product, just contact the friendly, knowledgeable staff at for expert advice.

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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