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Sylvania H39-22KB/RS (H39KB-175/RS) 175W Clear Rough Service Mercury Vapor Lamp
With the exclusive Sylvania rough service frame. 
Keywords: Lamps

Sylvania H39-22KB/RS (H39KB-175/RS) 175W Clear Rough Service Mercury Vapor Lamp

With the exclusive Sylvania rough service frame.

WC-C400S51-1_2.jpg DSCN0165.JPG SYL-H39-22KB-04-1_0.jpg KR-H39-22KB-37.jpg WL-H39-22KB-40-25_0.jpg
Lamp/Fixture Information
Manufacturer:Sylvania Electrical Products Inc.
Model Reference:H39-22KB/RS (H39KB-175/RS)
Lamp
Lamp Type:Mercury Vapor
Filament/Radiator Type:Fused Quartz
Base:E39 (Mogul)
Shape/Finish:BT28
Service Life:24,000 Hrs +
Burning Position:Universal
Fixture
Ballast Type:H39-22
Electrical
Wattage:175W ~
Voltage:130V ~
Current:1.73A ~
Optical
Lumen Output:7,900 (Initial) / 7,400 (Average)
Lumen Efficacy:45 (Initial) /42 (Average)
Colour Temperature:5700K CCT ~
Colour Rendering Index:22%
Physical/Production
Factory Location:Manchester, NH USA
Fabrication Date:4/71
Application/Use:Residential Streets & Security
File information
Filename:SYL-H39-22KB-04-1_0.jpg
Album name:Eric / Mercury Vapor Lamps
Keywords:Lamps
Filesize:511 KiB
Date added:05 Apr 2026
Dimensions:2026 x 1536 pixels
Displayed:17 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1178
Favourites:Add to Favourites

Comment 1 to 3 of 3
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wide-lite 1000   [Mon 06 Apr 2026 at 01:32]
Nice find Eric !
Eric   [Mon 06 Apr 2026 at 01:35]
Yep, and unfortunately won't be easy to duplicate nowadays.
wide-lite 1000   [Sun 12 Apr 2026 at 19:02]
I'm sure there's still some out there somewhere .

Comment 1 to 3 of 3
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