In summary, TDK-Lambda’s new line of "green" 500-watt power supplies that comply with the European energy saving requirements of the ErP (Energy related Products) Directive. Ideal for use in industrial, broadcast, and communications applications, the GWS500 series power supplies employ innovative design techniques to combine high efficiency, high power density and low standby power consumption (<0.5W, no-load) with the confidence of a 5 year warranty. This is a 500W AC/DC, forced air-cooled power supply that achieves up to 90% efficiency, dramatically cutting the heat generated in industrial, LED, display/signage, IT, traffic controls, automated service, kiosks, test & measurement, and audio/video applications. These power supplies include overvoltage, over-temperature and overcurrent protections. Also included are 5V/0.3A standby output, remote on/off, and DC Good signal, as standard. The GWS500 is UL/EN/IEC 60950-1 safety certified (2nd Edition) and carry the CE mark. All models meet EN61000-4-X immunity and EN61000-3-2 harmonic correction standards.