WorkHorse ballasts are expertly designed for maximum versatility. Dozens of lamp types can be operated in hundreds of combinations, so a contractor or electrician who carries WorkHorse ballasts can handle any situation without leaving the job site.

  • Versatile
  • Energy Saving
  • High Power Factor
  • Lightweight
  • Small Case Size
  • Solid-State Electronics

For lamp operation and wiring diagrams, use the Wiring Diagram Finder here, download the WorkHorse Lamp Chart here, or check the product spec sheets.

120V Models »
230V Models »
277V Models »

Technical Details

Common Specifications

  • ATHD: Meets ANSI C82.11-1993


  • Over Current: Fuse
  • Transient Protection: C62.41 Class A 7 Strikes
  • EMI: FCC CFR Title 47 Part 18 non-consumer


  • Open/Shorted Lamp
  • Regulatory Approvals: UL Listed Type1 or Type 2
  • High Power Factor: > .90
  • Open Circuit Voltage: 600 V RMS Max.
  • Ballast Lamp Starting Mode: Instant Start
  • Inherent Thermal Protection: Class P
  • Sound Rating A


WorkHorse Lamp Chart and Wiring Diagrams

lamp chart thumbnail

  • Download PDF
  • View Online

120V WorkHorse Ballasts

230V WorkHorse Ballasts

277V WorkHorse Ballasts

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