ECM60US05 Output AC-DC Converter, 12A, 5V dc Medical Approved Open Frame. The ECM60 series from XP Power offers an excellent range of open frame, 60 W power supplies, all of which are IT and medically approved. These highly reliable, compact power supplies all feature either a class I or class II construction. The range is convection-cooled and has an operating temperature from 0 ?C to +70 ?C Operating temperature.