LED modules for street lighting
27 October 2010
Opto-Electronics
OSRAM’s Streetlight Advanced system provides an efficient solution for technical and decorative street lighting with LEDs. This durable module enables lighting without distracting stray light plus easy maintenance thanks to a lamp socket that is installed once only.
With a light yield of up to 60 lm/W, the module itself comprises an LED, lens and reflector. An additional lamp socket is installed once only in the luminaire housing. Should even more efficient LEDs become available in future, the new modules can simply be snapped onto the existing socket without tools. The luminaire does not have to be replaced or modified, as the dimensions of any Streetlight Advanced LED modules developed by OSRAM will remain unchanged.
The streetlamps’ brightness can be individually adjusted, depending on the number of LED modules used. Plus, the modules can be controlled and dimmed using the appropriate Optotronic power supply and control gear. With the modules’ high colour rendering index of 75-80, illuminated objects appear very natural without any colour distortion. Streetlight Advanced is available either at a colour temperature of 6000 K or warm white at 3000 K. The module’s long life of up to 50 000 hours in a luminaire with a suitable heat sink reduces maintenance costs. As modules can be replaced without tools, the Streetlight Advanced module offers simple and fast maintenance.
Apart from their efficacy and long lifetime, the fundamental benefits of LEDs in street lighting are their directed light, ie, the LEDs only emit light in the desired direction or onto the desired surface. The Streetlight Advanced module’s particular optical concept – comprising LED, lens and reflector – enables a very high optical efficacy plus a street lighting according to the DIN EN 13 201 standard with uniform and sharply defined illumination.
As a further addition to its LED outdoor lighting portfolio, OSRAM’s Streetlight Protect is a modular, scalable solution with 15 high-power LEDs. These allow several 1000 lumen units to be combined and are therefore suitable for any application. The solution provides IP66 rating and an integrated heat sink delivers the cooling required. The module’s symmetric light distribution enables standards-compliant lighting at the side as well as the middle of the street. According to OSRAM, Streetlight Protect boasts 20% less energy consumption than conventional sodium vapour and halide lamps.
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