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Sylvania H45AY-40/DX Mercury Vapor Lamp

Sylvania H45AY-40/DX Mercury Vapor Lamp

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Sylvania H45AY-40/DX mercury vapor lamp. This lamp is also considered a 50W, but I find odd that Sylvania didn't put that in the etch.

H39KB-175-89_ETCH.JPG H45AY-40-DX.JPG H45AY-40-DX_ETCH.JPG H38JA100DX_CLEAR-TOP.JPG

Light Information

Light Information

Manufacturer:Sylvania Electric Products Inc.
Model Reference:H45AY-40/DX
Lamp
Lamp Type:Deluxe Mercury Vapor
Filament/Radiator Type:Quartz
Base:E26 (Medium)
Shape/Finish:B21
Service Life:16,000 Hrs
Fixture
Ballast Type:H45
Electrical
Wattage:40W
Voltage:120V Nominal
Current:0.33A
Optical
Lumen Output:1,350
Lumen Efficacy:34 LPW
Color Temperature:4,000K +/-
Color Rendering Index:55% +/-
Physical/Production
Factory Location:Manchester, NH
Fabrication Date:August, 1977
Application/Use:Building Exteriors

File information

File information

Download: Download this File
Filename:H45AY-40-DX_ETCH.JPG
Album name:WestinghouseCeramalux / Sylvania Mercury Vapor Lamps
Keywords:Lamps
File Size:82 KB
Date added:Feb 11, 2019
Dimensions:864 x 648 pixels
Displayed:70 times
Date Time:2019:02:11 00:46:30
DateTime Original:2019:02:11 00:46:30
Exposure Bias:0 EV
Exposure Time:1/200 sec
FNumber:f 4
Flash:No Flash
Focal length:7.1 mm
ISO:100
Make:Panasonic
Model:DMC-TZ5
Software:Ver.1.0
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-156182
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Comments
fluorescent lover 40
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Lights are awesome! :)


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Feb 11, 2019 at 05:39 PM Author: fluorescent lover 40
Nice lamp from August 1977.

Current: US 120v 60hz
Power provider: Southern California Edison (SCE)

-Date decoder of most US lamps 1960-present.

-Collects all types of lights.

I'll save any vintage lamp... dead or alive! Smiley

xmaslightguy
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^homebuilt fixture


GoL ATL
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Feb 11, 2019 at 07:21 PM Author: xmaslightguy
Cool find!

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

Globe Collector
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Preserving the Brightest Ideas of Our Age


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Feb 12, 2019 at 06:28 AM Author: Globe Collector
Such a tiny little arc tube that blackens up so rapidly.
40w mercurys are very rare here. I have one of these, two Iwasaki HF-40X's and half a dozen MBM 40's and that is all!

Are there any 50w mercurys on that side of the Duck Pond?

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

WestinghouseCeramalux
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Vintage HID Collector


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Feb 12, 2019 at 09:47 PM Author: WestinghouseCeramalux

Such a tiny little arc tube that blackens up so rapidly.
40w mercurys are very rare here. I have one of these, two Iwasaki HF-40X's and half a dozen MBM 40's and that is all!

Are there any 50w mercurys on that side of the Duck Pond?


Yes, there are 50W H46 mercury vapor lamps here. The 40/50W MV lights seemed to never really catch on, at least where I grew up.

Your mission - should you choose to except it - is to save unique and rare HID lighting before it's all scrapped.

Globe Collector
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Feb 12, 2019 at 11:52 PM Author: Globe Collector
About 3 decades ago, our then electricity authority, the Hydro-Electric Commission, tried MBF/U 50, HQL 50 roll out in some suburbs....their little arc tubes blacked in under six months. The replaced 2x 20wT12...and so they were considered a joke for streetlighting. They eventually settled on the 80w versions (MBF/U 80, HQL 80 and despite being not that much bigger, they lasted a hell of a lot better and we still have some around now...must be some sort of surface-area-to-volume thing, increase the lineal dimensions by a third, but the volume doubles and surface area only increases 1.7 times.

One interesting thing is the HQL 50's were vacuum filled and (some) had barium getters, whereas the HQL 80's (and all larger lamps) were nitrogen filled. I reckon the vacuum in the 50, was to "thermos flask" the tiny arc tube to keep it hot.

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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