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Schreder (Urbis) Evolo-3 315w CMH Street Light

Schreder (Urbis) Evolo-3 315w CMH Street Light

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Here you see a Schreder (Urbis) Evolo-3 315 watt CDM-TMW-Elite Street Light with Internal Philips Dyna-vision Electronic Ballast, this Lantern has a Unique Mounting to allow Both 42 to 60mm Diameter Side Entry and 60/76mm Post Top Mounting via step clamp which can be used Lateral for Side Entry and vertical for Post Top Mounting.

This Street Light has No Photocell fitted, which means it was Remotely or Group Switched and the cost of the Lamp is very Expensive (about £80 to £110 GBP).

Thorn-Gamma-Modern-Street-Light-2a.jpg Thorn-Gamma-6-SOX-Street-Lantern-2.jpg Shreder-315w-Evolo-3-Street-Light-1.jpg Shreder-315w-Evolo-3-Street-Light-2.jpg

Light Information

Light Information

Manufacturer:Schreder (Urbis) Lighting Limited
Model Reference:EVOLO-3 - EVO3 / 1963 / CDM-TMW-Elite / 315W-PGZ18 / GsSmLd-30/105/5o / EPhXtSt / NoDim / 220/240V / 50-60Hz / CL1-EU / Al / IP44 / NoPHC / STD V60-76 / H42-60 / NoCa / WO_Lamp / Bx / 0 / GBU
Lamp Type:CDM-TMW Elite Cermaic Metal Halide Lamp
Filament/Radiator Type:Cermic Arc Tube
Base:PGZ18 (Twist-Lock)
Service Life:30000 Hours
Fixture Type:Street Light
Ballast Type:Integral Dedicated 315w MH Electronic Ballast
Arm Type:42/48/60mm Dia Side Entry or 60/76mm Dia Post Top
Location:Personal Collection
Wattage:315 watts
Voltage:220-240 volts 50/60Hz (Mains)
Current:1.5 amps (Mains)
Lumen Output:35500 Lumens
Color Temperature:3000 or 4200 deg K
Color Rendering Index:CRi-90
Dimensions:893mm x 334mm x 225mm
Factory Location:Europe
Fabrication Date:21st May 2013
Application/Use:Motorway / Main Road Street Lighting

File information

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Album name:sailormoon_01_uk / UK & European Street Lights
File Size:688 KB
Date added:Feb 08, 2019
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Date Time:2019:02:08 10:12:42
DateTime Original:2019:02:08 09:51:21
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Wolfram Verdampfungsgefässe

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Feb 08, 2019 at 01:04 PM Author: monkeyface
Made in Spain. A very uncommon lamp wattage and range. Never catched much attention do to the LED hype.
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^homebuilt fixture

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Feb 09, 2019 at 11:35 AM Author: xmaslightguy
Nice looking light!

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


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Feb 09, 2019 at 12:03 PM Author: trojmiejski
Does the ballast power the lamp with a higher frequency than 50Hz?

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Area of interest: Airport and Discharge Lighting,

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Feb 09, 2019 at 12:37 PM Author: sailormoon_01_uk
Normally the CDM-TMW operates at 110Hz on a Dedicated PrimaVision 315w Electronic Ballast. see HERE, but I cant see why the lamp cant be operated on a magnetic Ballast, example see HERE.

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Feb 09, 2019 at 01:04 PM Author: Max.

but I cant see why the lamp cant be operated on a magnetic Ballast, example see HERE.

The problem with those CDM-TMW lamps is their high re-ignition peaks caused by the relatively high cerium vapor pressure in their burner (which cools the arc very effectively during each current zero crossing). The issue is particularly troublesome when their input power is lowered (dimming), which makes the use of a fast-switching electronic control gear necessary. While the warm-white /930 type can still be run reliably from a series choke ballast, it cannot be dimmed down, and this kind of control gear is unsuitable for the neutral-white /942 models (these lamps have a more contracted discharge, and thus have a higher re-ignition peak voltage). You certainly can run a brand new CDM-TMW /942 on a series choke, but the lamp won't last nearly as long as on its dedicated electronic ballast. A reliable operation on a magnetic ballast would certainly require an hybrid configuration with the PF capacitor connected to a center tap of the choke in order to raise the ballast's OCV (like in the hybrid control gears for SOX-E lamps).
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