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500W models added to TDK-Lambda GWS series of ‘Green’ power supplies

20th March 2012

ES Admin

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TDK Corporation announces the new TDK-Lambda GWS500 series of ‘green’ power supplies. Complying with the energy saving requirements of the ErP (Energy-related Products) Directive, the GWS500 AC-DC power supply uses innovative design techniques to combine high efficiency, high power density and low standby power with the confidence of a five-year warranty. The GWS500 is well -suited to a broad range of industrial applications, including ATE, automation and instrumentation.

Rated at 500W, the GWS500 combines a 1U form factor with 105x218mm footprint and 90% typical efficiency to achieve a power density of 8.7W/in3. Offered in 4 models, the GWS500 supplies nominal outputs of 12V (42A), 24V (21A), 36V (14A) and 48V (10.5A). Outputs can be user-adjusted by up to 20% depending on the model type, and the 24V and 36V models have a peak power rating of 600W.

With a flat efficiency curve averaging at 89%, from 25 to 100% load, which exceeds the ErP requirement of 87%, the GWS500 operates from -25 to 70°C with suitable derating. The high power GWS500 is reverse fan cooled (exhale) to mitigate contamination risk.

The GWS500 series from TDK-Lambda has overvoltage, overtemperature and overcurrent protection (constant current mode for 24V, 36V and 48V models, 12V model in hiccup mode). Models in the GWS500 series also feature a sub-0.5W standby power, 5V/0.3A standby output, remote on/off, DC GOOD signal and a voltage programming function as standard.

All GWS500 models operate from an 85-264Vac input with active power factor correction to ensure EN61000-3-2 compliance. CE marked in accordance with the LV Directive, the GWS500 conforms to EN55022 and CISPR22 Class B conducted and radiated EMC, and meets CSA/IEC60950-1 Ed 2 and UL/EN60950-1 safety approvals.

The GWS500 series is available in stock for immediate sale.