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Fulham Work Horse WH4-120V-L Electronic Ballast for 1-2 Fluorescent Lamps BAL0077

Fulham Work Horse WH4-120V-L Electronic Ballast for 1-2 Fluorescent Lamps BAL0077

$32.68 ea

Brand: Fulham
MPN: WH4-120-L
Input Voltage: 120V
Max Wattage: 70W
Primary Lamp Operation: T5/T8
Number of Lamps: 1 ~ 2
Lamp Wiring: Lamp Dependent
See Spec-Sheet for All Compatible Lamp Combinations



SKU: BAL0077


Fulham Workhorse WH4-120-L • Instant Start
Electronic Ballast for 1 to 2 Fluorescent Lamps 120V Linear Case

  • Fulham Workhorse solid-state electronic ballast is expertly designed for maximum versatility and energy savings
  • Approved for lamp combination maximum of 70 watts
  • Ideal for use with fluorescent lamps that are not switched on and off frequently
  • High power factor
  • Compact and lightweight case
  • Use with lamp types: F21T5; F28T5; F35T5; F72T8; F25T8; F40T8
  • See spec-sheet for all compatible lamp combinations

Additional information

Weight 0.75 lbs
Dimensions 6.5 × 1 × 2.5 in

Technical Specifications


Technical Specifications
Input Voltage: 120V Ballast Type: Electronic Fluorescent
Max Wattage: 70W Ballast Factor: 0.78 ~ 1.41
Max Current: 0.56A Power Factor: >0.90
Min Start Temperature: -20°F (-30°C) Enclosure Type/Material: Linear / Metal
Max Case Temperature: 158°F (70°C) Starting Method: Instant Start
Sound Rating: A Lamp Wiring: See Wiring Chart
Dimensions: 6.38″ x 1.51″ x 1.02″ Classifications & Certifications: UL Listed; FCC
Weight: 0.65 lbs Warranty: Manufacurer Warranty Applies
Suitable for air handling spaces
UL Listed for indoor/outdoor use
Ballast must be grounded


Fulham Lamp Wiring Chart Upload Date: 04/26/2021


Fulham WH4-120L Spec Sheet Upload Date: 01/10/2022