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| Item | Compact Fluorescent Ballast | |
| Ballast Type | Electronic | |
| Ballast Family | Centium | |
| Lamp Type | J | |
| Start Type | Instant Start | |
| Voltage | 277 | |
| Input Watts | 41 | |
| Ballast Factor | 0.9 | |
| Power Factor | 0.98 | |
| Min. Starting Temp. (F) | 0 | |
| Base Type | 4 Pin | |
| Light Output | Normal | |
| Special Features | Small Case | |
| Number of Lamps | 1 | |
| Number of F40BX Lamps | 1 | |
| Dimension Reference | A16 | |
| Length (In.) | 9 1/2 | |
| Height (In.) | 1 1/5 | |
| Width (In.) | 1 7/10 | |
| Package Quantity | 1 |
** The "Usually Ships" reflects when an item is generally expected to ship from Grainger based on its stocking location. Real-time availability information will be shown during the checkout process and on the e-mail order confirmation (for U.S. and Puerto Rico - US customers only). Please allow additional delivery time for international orders.






