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General Electric Lucalox LU400/DX Delux High Pressure Sodium Lamp Unusual design with decent color rendering. Keywords: Lamps

General Electric Lucalox LU400/DX Delux High Pressure Sodium Lamp

Unusual design with decent color rendering.

WC-C250S50-99-1_0.jpg WC-C400S51-1_2.jpg WC-C250S50-DX4-72-1.jpg WC-C150S56-DX4-1.jpg GE-LU400-DX-28-1.jpg
Lamp/Fixture Information
Manufacturer:General Electric Company
Model Reference:LU400/DX
Lamp
Lamp Type:High Pressure Sodium
Filament/Radiator Type:PCA (Poly Crystal Alumina)
Base:E39 (Mogul)
Shape/Finish:ED28
Service Life:15,000 ~
Burning Position:Universal
Electrical
Wattage:400W ~
Voltage:100V ~
Current:4.60V ~
Optical
Lumen Output:37,400 (Initial) / 34,400 (Average)
Lumen Efficacy:94/86 LPW
Colour Temperature:2400K CCT ~
Colour Rendering Index:70% ~
Physical/Production
Factory Location:Ravenna, OH USA
Fabrication Date:4/90
File information
Filename:GE-LU400-DX-28-1.jpg
Album name:Eric / High Pressure Sodium Lamps
Keywords:Lamps
Filesize:413 KiB
Date added:31 Dec 2025
Dimensions:1765 x 1536 pixels
Displayed:15 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1076
Favourites:Add to Favourites

Comment 1 to 3 of 3
Page: 1

Tuopeek   [Wed 31 Dec 2025 at 20:16]
Good to see another of these. We were just discussing this lamp a few weeks ago.
BT25   [Wed 31 Dec 2025 at 20:58]
Yeah, I saw that. Is there any real differences between the UK/European version compared to the US version other than the E40 base?
Max   [Thu 01 Jan 2026 at 17:43]
Yes, the bulb size.

Comment 1 to 3 of 3
Page: 1