| Lamp/Fixture Information |
| Manufacturer: | Sylvania Electrical Products Inc. |
| Model Reference: | H39-22KB/RS (H39KB-175/RS) |
| Lamp |
| Lamp Type: | Mercury Vapor |
| Filament/Radiator Type: | Fused Quartz |
| Base: | E39 (Mogul) |
| Shape/Finish: | BT28 |
| Service Life: | 24,000 Hrs + |
| Burning Position: | Universal |
| Fixture |
| Ballast Type: | H39-22 |
| Electrical |
| Wattage: | 175W ~ |
| Voltage: | 130V ~ |
| Current: | 1.73A ~ |
| Optical |
| Lumen Output: | 7,900 (Initial) / 7,400 (Average) |
| Lumen Efficacy: | 45 (Initial) /42 (Average) |
| Colour Temperature: | 5700K CCT ~ |
| Colour Rendering Index: | 22% |
| Physical/Production |
| Factory Location: | Manchester, NH USA |
| Fabrication Date: | 4/71 |
| Application/Use: | Residential Streets & Security |
| File information |
| Filename: | SYL-H39-22KB-04-1_0.jpg |
| Album name: | Eric / Mercury Vapor Lamps |
| Keywords: | Lamps |
| Filesize: | 511 KiB |
| Date added: | 05 Apr 2026 |
| Dimensions: | 2026 x 1536 pixels |
| Displayed: | 19 times |
| URL: | https://trad-lighting.net/gallery/displayimage.php?pid=1178 |
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