Ceramalux® ALTO High Pressure Sodium Lamp, Non-Cycling, C400S51/ALTO NC HPS, 400 W, 100 VAC, 4.6 A, E39 Mogul Screw Lamp Base, ED18, 50000 Lumens, 24000 hr Average Life, Warm White, 21 CRI, 2100 K Color, Clear Lamp, 9-3/4 in H x 2-1/4 in D
| Amperage Rating | : | 4.6 A |
| Average Life | : | 24000 hr |
| Color Rendering Index (CRI) | : | 21 |
| Color Temperature | : | 2100 K |
| Color | : | Warm White |
| Designation | : | C400S51/ALTO NC HPS |
| Dimensions | : | 9-3/4 in H x 2-1/4 in D |
| Lamp Finish | : | Clear |
| Type | : | Non-Cycling |
| Voltage Rating | : | 100 VAC |
| Wattage | : | 400 W |
| Shape | : | ED18 |
| Lumens | : | 50000 Lumens |