KEYSTONE Electronic Ballast, Fluorescent Lamp, 40 W Lamp, 40 W Input Wattage, 120/277 VAC, 0.26/0.62 A, 50/60 Hz, Rapid Start, 32 deg F Minimum Starting, 10 % Total Harmonic Distortion (THD), Power Factor: 0.98, Non-Dimmable Dimmable/Non-Dimmable, 2 Lamps, Thermal Protection: Yes, 1.7 Crest Factor, Ballast Factor: 0.85, 1.18 to 1.21 Ballast Efficacy Factor (B.E.F), 18 AWG Wire, 9-1/2 in Length, 1.3 in Width, 1.1 in Height, Additional Information: T12 Lamp Shape
| Additional Information | : | T12 Lamp Shape |
| Amperage Rating | : | 0.26/0.62 A |
| Ballast Efficacy Factor (B.E.F) | : | 1.18 to 1.21 |
| Ballast Factor | : | 0.85 |
| Crest Factor | : | 1.7 |
| Dimmable/Non-Dimmable | : | Non-Dimmable |
| Frequency Rating | : | 50/60 Hz |
| Height | : | 1.1 in |
| Input Wattage | : | 40 W |
| Lamp Type | : | Fluorescent |
| Lamp Wattage | : | 40 W |
| Length | : | 9-1/2 in |
| Minimum Starting Temperature | : | 32 deg F |
| Number of Lamps | : | 2 |
| Power Factor | : | 0.98 |
| Start Type | : | Rapid |
| Thermal Protection | : | Yes |
| Total Harmonic Distortion (THD) | : | 10 % |
| Voltage Rating | : | 120/277 VAC |
| Width | : | 1.3 in |
| Wire Size | : | 18 AWG |