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Philips Powertone 35 Watt SOX-Plus Lamps.

Philips Powertone 35 Watt SOX-Plus Lamps.

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I got these from eBay. I had difficulty finding a bulb for my LPS NEMA. When a lot of LPS lamps came up, I just had to move on it. Surprisingly I was the sole bidder on them.

IMG_0415.JPG 1253-35.JPG SOX35W.JPG IMG_0384.JPG

Light Information

Light Information

Manufacturer:Philips
Model Reference:SOX 35W
Lamp
Lamp Type:Low pressure sodium-vapour
Base:DC Bayonet (BY22d)
Shape/Finish:T15
Service Life:18,000 hours
Fixture
Ballast Type:L70
Electrical
Wattage:35W
Voltage:70 V
Optical
Lumen Output:4550 Lm
Color Temperature:1800 K
Physical/Production
Factory Location:United Kingdom
Fabrication Date:September 2000

File information

File information

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Filename:SOX35W.JPG
Album name:icefoglights / HID Lights
Keywords:Lamps
File Size:112 KB
Date added:Sep 07, 2009
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Date Time:2009:09:07 23:22:35
DateTime Original:2009:09:07 23:19:52
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Comments
lite_lover
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Darren


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Sep 07, 2009 at 10:32 PM Author: lite_lover
Great find!!

The brighter the better.

icefoglights
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ITT Low Pressure Sodium NEMA


GoL
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Jun 20, 2011 at 10:35 AM Author: icefoglights
Thanks! Surprisingly I was the only bidder, and I think the whole lot set me back only $10 or $20

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AngryHorse
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Rich


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Jun 20, 2011 at 11:12 AM Author: AngryHorse
Thats great, that their so rare in Alaska, no one else wants them, and probably don`t even know what they are , they have gone to a good home now.
Don`t know how much $s are to £s, but 35watt SOX are about £20 here now.

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

rjluna2
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Robert


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Jun 20, 2011 at 11:26 AM Author: rjluna2
Is there compatible ballast if I want to buy and build LPS fixture?

Pretty, please no more Chinese failure.

AngryHorse
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Rich


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Jun 20, 2011 at 11:47 AM Author: AngryHorse
LPS and SOX lamps have similar running characteristics, an 18watt SOX will run on 2 foot tube gear, and I`d guess a 35watt will run on 40watt tube gear.

Right just checked, a 35watt sox runs at, 70V (lamp voltage), and 0.6A (lamp current).
4 foot tube gear for either 36/40watt at, 103V (lamp voltage), and 0.43A (lamp current).
So it will slightly over run the lamp, but this is not a problem, as both 35/55watt SOX in the UK, run on the same gear.
Try a 40watt pre-heat/switch start ballast on a 35/70watt superimposed halide ignitor.
I have an 18watt running on a 2 foot tube choke, with the above ignitor, and I have had no problems with it ,p.s, these are figures for UK lamps and gear, not sure if their the same in the US.

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

icefoglights
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ITT Low Pressure Sodium NEMA


GoL
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Jun 20, 2011 at 02:21 PM Author: icefoglights
I was actually in Louisiana when I bought them, and they rode to Alaska in the back of my car.

I know of several LPS fixtures in service around town, but the number is shrinking. Lamps are just too expensive and hard to find. That's why I've jumped on small lots of lamps when I could. I have enough spare 18 and 35 watt lamps to keep my fixtures going.

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