The Hatch HL432APS/UV/HE/W electronic ballast operates three or four (3/4) F32T8 lamps 120-277 at 120V This ballast is great for areas that require normal lighting! Programmed start ballast is typically used in offices, board rooms, and retail. Also operates Fluorescent lamps.

Specifications
| Features
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Dimensions
| Compliance
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Performancmance:
- Sound Rated: A
- Starting Temp (minimum):: 0°F, -18°C
- Maximum Case Temperature: 167°F, 75°C
- Meets FCC Part 18 (Class A) Non-consumer limits
- 5 Year Warranty
- 50Hz/60hz Frequency
- Ballast frequency for all listed lamps: >40kHz
Physical Dimensions:
- Length (L): 9.50”
- Width (W): 1.65”
- Height (H): 1.18”
- Mounting (M): 8.9”
http://www.hatchlighting.com/products/fluorescent-ballasts-and-lamps/linear-fluorescent-ballasts/32-watt-linear-fluorescent-ballast-22.html ; http://www.hatchlighting.com/media/productPDF/HL432APS-UV-HE-W.pdf
