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Westinghouse Ceramalux C400S51 400W High Pressure Sodium Lamp Original design with the end cap sealed arc-tube and amalgam reservoirs. Keywords: Lamps

Westinghouse Ceramalux C400S51 400W High Pressure Sodium Lamp

Original design with the end cap sealed arc-tube and amalgam reservoirs.

WC-C310S67-39-1_0.jpg WC-C250S50-99-1_0.jpg WC-C400S51-1_2.jpg WC-C250S50-DX4-72-1.jpg WC-C150S56-DX4-1.jpg
Lamp/Fixture Information
Manufacturer:Westinghouse Electric Corporation
Model Reference:C400S51
Lamp
Lamp Type:High Pressure Sodium
Filament/Radiator Type:PCA (Poly Crystal Alumina)
Base:E39 (Mogul)
Shape/Finish:ET18
Service Life:24,000 Hrs +
Burning Position:Universal
Fixture
Ballast Type:S51
Electrical
Wattage:400W ~
Voltage:100V ~
Current:4.60A ~
Optical
Lumen Output:50,000 (Initial) /45,000 (Average)
Lumen Efficacy:125/113 LPW
Colour Temperature:2100K CCT ~
Colour Rendering Index:25%
Physical/Production
Factory Location:Bath, NY USA
Fabrication Date:5/81
Application/Use:Highway Lighting
File information
Filename:WC-C400S51-1_2.jpg
Album name:Eric / High Pressure Sodium Lamps
Keywords:Lamps
Filesize:348 KiB
Date added:06 Apr 2026
Dimensions:2048 x 938 pixels
Displayed:6 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1180
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