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Sylvania H37KB-250 250W Clear Mercury Vapor Lamp Another vintage clear mercury vapor lamp. Keywords: Lamps

Sylvania H37KB-250 250W Clear Mercury Vapor Lamp

Another vintage clear mercury vapor lamp.

20250420_203426.jpg 20250420_203520.jpg SMV-H37KB-250-73-1.JPG SMV-H33AR-400-2.JPG SMV-H33CD-400-069-1.jpg
Lamp/Fixture Information
Manufacturer:GTE-Sylvania
Model Reference:H37KB-250 (H37-5KB)
Lamp
Lamp Type:Mercury Vapor
Filament/Radiator Type:Fused Quartz
Base:E39 (Mogul)
Shape/Finish:BT28
Service Life:24,000 Hrs (Rated)
Fixture
Ballast Type:H37-5
Electrical
Wattage:250W ~
Voltage:130V ~
Current:2.10A ~
Optical
Lumen Output:12,000 (Initial), 10,800 (Average)
Lumen Efficacy:48/43 LPW
Colour Temperature:5,700K ~ CCT
Colour Rendering Index:22% ~
Physical/Production
Factory Location:Manchester, NH USA
Fabrication Date:1/77
Application/Use:Street/Security
File information
Filename:SMV-H37KB-250-73-1.JPG
Album name:Cobrahead / Mercury Vapor Lamps
Keywords:Lamps
Filesize:252 KiB
Date added:Apr 22, 2025
Dimensions:1168 x 765 pixels
Displayed:2 times
DateTime Original:2021:07:05 17:16:01
URL:https://trad-lighting.net/gallery/displayimage.php?pid=776
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