WH7-277-L, Fluorescent Electronic Ballast

WH7-277-L Fluorescent Electronic Ballast The WH7-277-L is a versatile fluorescent electronic ballast from Fulham's WorkHorse series, designed for use in electrical distribution and lighting solutions. It operates at 277 volts with a frequency of 50 hertz, providing reliable performance for a variety of fluorescent lamp types including F13T8 and F54T5HO. This ballast is suitable for contractors and electricians requiring adaptable wire and cable management in switchgear applications. Specifications Manufacturer: Fulham Manufacturer Part #: WH7-277-L Input Voltage: 277 V ± 10% Frequency: 50 hertz Max Power: 220 W Max Current at 277 VAC: 0.85 AMP Ballast Type: Solid State Electronic Ballast Power Factor: > 0.9 Sound Rating: A Ballast Factor: 0.8 to 1.2 depending on lamp type Efficiency Factor: 0.4 to 1.3 depending on lamp type Operating Temperature Range: -30°C to 70°C Case Temperature Max: 70°C Dimensions: 19.25" (L) x 1.72" (W) x 1" (H) Weight: 2.2880 lbs UL Listed, Class "P", suitable for outdoor use Input Protection: Fuse Output Protection: Fuse Compliance: FCC Part 18-A, ANSI C82.11-1993 EMI/RFI Features Small case size and lightweight design for ease of installation High power factor for energy-efficient operation Compatible with multiple lamp types including F54T5HO and F13T8 Instant start ballast type for rapid lamp ignition Designed for use in commercial and residential dedicated voltage applications Durable solid state construction for reliable performance Meets stringent EMI/RFI compliance standards Extended 5-year limited warranty from original purchaser Downloads & Links Catalog Specification/Technical Specification/Technical Other 1