Outdoor LED lighting
February 2010
Electrical Power & Protection
In response to the demand for LED lighting and outdoor architecture decoration MEAN WELL has added the HLG-240 and HLG-240H to its product family in order to fulfil higher wattage requirements in the market. With built-in active power factor correction and wide AC input, 90-305 V (HLG – 240H) and 90-264 V (HLG-240), the supplies meet the harmonic current limitation per EN61000-3-2 Class C at a PF>0,9 if loading is over 65%. In addition, the units possess 4 kV surge immunity (EN61000-4-5) which complies with the requirements of street lighting.
The transformers have been fully potted with heat-dissipating glue to reach IP65 or IP67 waterproof/dustproof levels. The DC output voltage is adjustable from 95 to 105% (full scale) and the current from 50 to 100% to add flexibility for LED lighting system designers. In order to meet harsh outdoor requirements the supplies have been packaged in a full-aluminium case.
Up-to date rectifier technology enables efficiencies of 94% allowing cooling by free air convection from -30 to +70°C ambient for outdoor assembly. Standard functionality includes protection for short circuit, over voltage, overload, and over temperature. I/O connection can be changed by output cable or terminal block, to give users flexible installation options. HLG-240(H) series comply with global certificates per UL1012, EN61347-1, EN61347-2-13 (lighting regulations) as well as UL60950, EN60950-1 (IT regulations). These high efficiency power supplies are suitable for LED street lighting, outdoor displays and LED decorative lighting in applications that require high resistance to dust and moisture.
For more information contact Ettienne van der Westhuyzen, Current Automation, +27 (0)11 462 4253, [email protected], www.rectifier.co.za
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