| Lamp/Fixture Information |
| Manufacturer: | Westinghouse Electric Corporation |
| Model Reference: | S450BT37-120 |
| Lamp |
| Lamp Type: | Mercury Vapor |
| Filament/Radiator Type: | Fused Quartz |
| Base: | E39 (Mogul) |
| Shape/Finish: | BT37 |
| Service Life: | 16,000 Hrs ~ |
| Burning Position: | Base Up +/- 75° |
| Fixture |
| Ballast Type: | Self-Ballasted |
| Electrical |
| Wattage: | 450W ~ |
| Voltage: | 120V/60Hz ~ |
| Current: | 3.75A ~ |
| Optical |
| Lumen Output: | 9,100 (Initial) / 8,280 (Average) |
| Lumen Efficacy: | 20/18 LPW |
| Colour Temperature: | 5500K CCT ~ |
| Colour Rendering Index: | 25% |
| Physical/Production |
| Factory Location: | Bath, NY USA |
| Fabrication Date: | 10/83 |
| Application/Use: | RLM's |
| File information |
| Filename: | W-S450BT37-O3-120-1.jpg |
| Album name: | Eric / Mercury Vapor Lamps |
| Keywords: | Lamps |
| Filesize: | 395 KiB |
| Date added: | 17 Apr 2026 |
| Dimensions: | 2048 x 1083 pixels |
| Displayed: | 1 times |
| URL: | https://trad-lighting.net/gallery/displayimage.php?pid=1214 |
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