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Thorn BETA 5 with Blue Photocell

Thorn BETA 5 with Blue Photocell

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Here you see a early 2000's Thorn BETA-5 35 watt SOX Low Pressure Sodium Side Road Street Lantern in Situ in Derbyshire with a Royce Thompson SCC1000-SA Electronic Photocell with Blue Cone Fitted.

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Light Information

Light Information

Manufacturer:Thorn Lighting Ltd / Royce Thompson Engineering Ltd
Model Reference:BETA-5 (QB5-1in-PVB1035.4) / SC1000-SA
Lamp
Lamp Type:Low Pressure Sodium Lamp
Filament/Radiator Type:Triple Wound Electodes within U-Tube
Base:BY22d or Sodium BC (Bayonet Cap)
Shape/Finish:Tubular
Service Life:12000 Hours
Fixture
Fixture Type:Street Light
Ballast Type:Integral Thorn Ballast & Ignitor and P.F.C. Capacitor
Socket Type:NEMA Socket
Photocell Type:Royce Thompson SC1000-SA Electronic NEMA Photocell
Arm Type:1 in Dia BSP Side Entry
Location:Derbyshire, United Kingdom
Electrical
Wattage:35 watts
Voltage:240 volts (Mains)
Current:0.6 amps (Lamp)
Optical
Lumen Output:4500 Lumens
Color Temperature:Monochromatic Yellow
Color Rendering Index:Poor
Physical/Production
Dimensions:5 Metres Mounting Height
Factory Location:Great Britain
Fabrication Date:2000's
Application/Use:Side Rod Street Lighting

File information

File information

Download: Download this File
Filename:TheHollowMoverSTH6.jpg
Album name:sailormoon_01_uk / Misc
Keywords:Lanterns
File Size:195 KB
Date added:Mar 12, 2018
Dimensions:800 x 600 pixels
Displayed:75 times
Date Time:2010:10:02 11:08:58
DateTime Original:2010:10:02 09:13:10
Exposure Bias:0 EV
Exposure Time:1/400 sec
FNumber:f 5.1
Flash:No Flash
Focal length:117.2 mm
ISO:50
Make:OLYMPUS IMAGING CORP.
Model:SP800UZ
Software:FinePixViewer Ver.3.2
White Balance:0
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Mar 12, 2018 at 06:31 PM Author:
Is there any significance to the colour of the photocell..?
wattMaster
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Mar 12, 2018 at 06:39 PM Author: wattMaster
In NA it tells you the voltage:
Blue 120-277
Gray 120
Red/maroon 240 or open cap
Green 347 (in Canada) or fail off
Yellow 480




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Mar 12, 2018 at 06:44 PM Author:

In NA it tells you the voltage:
Blue 120-277
Gray 120
Red/maroon 240 or open cap
Green 347 (in Canada) or fail off
Yellow 480

Not aware of any colour coding like that here, most of the ones I've seen are clear or occasionally green. Then again, I've not heard of streetlights here being fed from different supply voltages, we only tend to have either 230/240V single phase or 400/415V three phase supplies.
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Mar 12, 2018 at 09:01 PM Author: marvinsuggs
Very nice
sailormoon_01_uk
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Mar 13, 2018 at 07:07 AM Author: sailormoon_01_uk
I am not 100% sure but I think the use of these Blue Photocells were to Identify them being Installed in Derbyshire as part of a PFI (Private Financial Initiative) Scheme, where they were fitted and serviced by Electrical Contractors instead of the Council. I am unaware of anywhere else who adopted Blue Photocells within the UK.
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