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The Robertson SP2G4 /A is a Magnetic Ballast that operates (1) FC8T9 lamp 277 at 120V This ballast is great for areas that require normal lighting! Preheat Self start ballast is typically used in offices, board rooms, and retail. Also operates Fluorescent lamps.

Specifications - Type: Electronic Circular Fluorescent
- Start Method: Preheat Self Start
- Lamps: one FC8T9
- Input Voltage: 277V
- Lamp Wiring: Series
| Features - Crest Factor: 1.7
- Maximum Temperature: 90°
- Sound Rated Class A
- 40% power factor
- 2 years warranty
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Dimensions - Length: 3.0600"
- Height: 1.7200"
- Width: 0.7000"
| Compliance - UL Listed
- Class P, Type 1 Outdoor
- ANSI C82.1
- RoHS
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