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Radium RNP-T 250W, 250W Deluxe SON/High Pressure Sodium Lamp
Seems to be a rare beast...

If you have lamp data that's missing, please add in comments below....thanks.
Keywords: Lamps

Radium RNP-T 250W, 250W Deluxe SON/High Pressure Sodium Lamp

Seems to be a rare beast...

If you have lamp data that's missing, please add in comments below....thanks.

DSC00375.JPG Westinghouse_H33-1-GL21Y_2m.jpg RD-RNP-T-250W-DX-0448.jpg Philips_XL_20W_Induction_Lamp.jpg WC-C150S56-DX4-1.jpg
Lamp/Fixture Information
Manufacturer:Radium (Osram)
Model Reference:RNP-T 250W
Lamp
Lamp Type:Deluxe High Pressure Sodium
Filament/Radiator Type:PCA (Poly Crystal Alumina)
Base:E40
Shape/Finish:Tubular
Fixture
Ballast Type:S50 (USA)
Electrical
Wattage:250W ~
Voltage:100V ~
Current:3.00A ~
Optical
Lumen Output:23,000
Lumen Efficacy:92 LPW
Colour Temperature:2200K CCT ~
Colour Rendering Index:65% ~
Physical/Production
Factory Location:Shaw, UK
Fabrication Date:3/94
File information
Filename:RD-RNP-T-250W-DX-0448.jpg
Album name:Eric / High Pressure Sodium Lamps
Keywords:Lamps
Filesize:397 KiB
Date added:12 Apr 2026
Dimensions:2048 x 1072 pixels
Displayed:53 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1212
Favourites:Add to Favourites

Comment 1 to 3 of 3
Page: 1

Max   [Sat 18 Apr 2026 at 17:07]
Definitely less common than standard HPS lamps. This one is a British-made (Shaw, England) and rebranded Osram Vialox NAV-T 250W De Luxe from April 1994. Its light-technical specs are: 23 klm, 92 lm/W, 2200 K, 65 Ra8. The electrical specs are the same as those of standard 250 W HPS lamps.
Eric   [Fri 24 Apr 2026 at 03:26]
Thanks for the info Max!
Max   [Sun 26 Apr 2026 at 05:18]
You're welcome!

Comment 1 to 3 of 3
Page: 1