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  • Brand: Espen
  • Voltage: 120-277V
  • Number Of Lamps: 1
  • Initial Lumens: 500
  • Operating Temp: 0-50 Degrees C
  • Emergency Operation: 90 minutes
  • Height: 1.5"
  • Width: 2.38"
  • Length: 9.5"
  • UL and cUL listed
  • Warranty: 5 Years
5 Year Warranty UL Listed



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The VEM5000DV-L emergency ballast from Espen Technology is designed to operate with fluorescent T8 lamps as well as Espen's Retroflex and Retroflex HE lines of plug-and-play LED T8 tubes. It works in conjunction with the AC ballast to allow the same fixture to be used for both normal and emergency operation. When AC power fails, the ballast switches to emergency mode and keeps one lamp illuminated at a reduced lumen output for 90 minutes maximum. It is suitable for use in new fixtures or retrofit applications.



  • Dual voltage (120/277)
  • Compatible with most electronic AC ballasts
  • Maintenance-free long-life, high temperature Ni-Cad battery


  • Durable, heavy-duty steel in painted white finish
  • Fits most fluorescent fixtures, low profile

Lamps Operated

  • 2'-4' single, Bi-pin, T8, T10, T12, U-bent or circline, Rapid or Instant Start
  • 2'-4' single, Bi-pin, RetroFlex & RetroFlex HE T8 LED tubes


  • 24 hour recharge, 7-10 year life expectancy
  • Nickel Cadmium

Additional Information

  • For use with switched or unswitched fixtures
  • Does not affect normal operation
  • May be installed in the wireway or on top of fixture
  • Emergency ballast must be fed from the same branch circuit as the AC ballast
4 Foot Retro Flex LED T5 Tube, 24W, 120-277V
4 Foot Retro Flex LED T8 Tube, 16W, 120-277V

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