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Line Material Industries Unistyle-400 400W/H33 (M59) Nice old classic cobra-head...unfortunately, the OE ballast was blown upon arrival. Ended up replacing it with a Cooper MHKT-400 being that's the closest to OE available today. Keywords: Lanterns

Line Material Industries Unistyle-400 400W/H33 (M59)

Nice old classic cobra-head...unfortunately, the OE ballast was blown upon arrival. Ended up replacing it with a Cooper MHKT-400 being that's the closest to OE available today.

WEC-RMA10QL-H39-1.JPG LMI_Unistyle_400-1_0.jpg Unidor-250-1_2.jpg AE-S11-175MV.JPG ITT-AE-R175-978-1.JPG
Lamp/Fixture Information
Manufacturer:McGraw-Edison Company
Model Reference:Unistyle-400
Lamp
Lamp Type:Mercury Vapor/Metal Halide
Fixture
Fixture Type:Cobra-Head
Ballast Type:M59-H33/CWA-HPF
Socket Type:E39 (Mogul)
Photocell Type:None
Electrical
Wattage:400W (455VA) ~
Voltage:120/208/240/277V @60Hz
Current:3.80/2.19/1.90/1.64A ~
Physical/Production
Factory Location:Milwaukee, WI USA
Fabrication Date:c.1967
Application/Use:Roadways, Parking Lots Etc.
File information
Filename:LMI_Unistyle_400-1_0.jpg
Album name:Eric / Lanterns / Fixtures
Keywords:Lanterns
Filesize:444 KiB
Date added:02 Jun 2026
Dimensions:1544 x 1536 pixels
Displayed:8 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1312
Favourites:Add to Favourites

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wide-lite 1000   [Sun 07 Jun 2026 at 05:40]
I love these ! I see yours is set up for 2" arms only . There's an adapter that screws to the u-bolt for 1 1/4" arms .

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