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Sylvania H33CD-400  400W Clear Mercury Vapor Lamp
This is a classic 1980's design with the four tension springs that hold the arc-tube in place. 
Keywords: Lamps

Sylvania H33CD-400 400W Clear Mercury Vapor Lamp

This is a classic 1980's design with the four tension springs that hold the arc-tube in place.

SMV-H37KB-250-73-1.JPG SMV-H33AR-400-2.JPG SMV-H33CD-400-069-1.jpg 20250423_150508.jpg 20250422_144438.jpg
Lamp/Fixture Information
Manufacturer:GTE-Sylvania
Model Reference:H33CD-400 (H33-1CD)
Lamp
Lamp Type:Mercury Vapor
Filament/Radiator Type:Fused Quartz
Base:E39 (Mogul)
Shape/Finish:BT37
Service Life:24,000 Hrs (Rated)
Fixture
Ballast Type:H33-1
Electrical
Wattage:400W ~
Voltage:130V ~
Current:3.30A ~
Optical
Lumen Output:21,000 (Initial), 18,300 (Average)
Lumen Efficacy:53/46 LPW
Colour Temperature:5,700K ~ CCT
Colour Rendering Index:22% ~
Physical/Production
Factory Location:Manchester, NH USA
Fabrication Date:9/86
Application/Use:Street/Security
File information
Filename:SMV-H33CD-400-069-1.jpg
Album name:Cobrahead / Mercury Vapor Lamps
Keywords:Lamps
Filesize:207 KiB
Date added:Apr 22, 2025
Dimensions:1297 x 767 pixels
Displayed:2 times
DateTime Original:2021:08:01 17:28:52
URL:https://trad-lighting.net/gallery/displayimage.php?pid=778
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