Fulham WorkHorse 3 Electronic Instant Start Ballast 277V - Long Case

Fulham Brand WorkHorse 3 Electronic Ballast, 277 Volt, with Leads. Ten ballasts operate 132 lamps in 860 combinations.  Ballast Lamp Starting Mode:  Instant Start.

WH3-277-L Fluorescent Ballast Ignites:

• Circline:  One 20W - 40W
• T5 Circline:  One 22W - 55W 
• T5 HO:  One/Two F24HO - F54HO 
• T6 Linear:  Two F42
• T8 Linear:  One/Two F13, One F14 - F40, Two F15 - F32
• T8 HO:  One F48HO - F72HO
• T10 Linear:  One F40
• T12 Linear:  One F14 - F84, Two F15
• Twin:  One 13W - 55W, Two 13W - 24W
• Flat Quad:  One 18W - 36W, Two 24W
• Quad:  One 26W, Two 18W - 26W
• Triple:  One 26W - 42W, Two 18W
• 2-D:  One 28W - 38W, Two 21W - 28W