Powertec supplieses india manufacturesoffers ac/dc converters . These ac/dc converters are provided with power levels of 5 w to 1500 w, manufactured by cosel of japan. Some technical specifications are like: units are over-voltage, overload, thermal trip, inrush current protected along with features like remote control and sensing. Supplies are compatible to professional equipment, industrial and paramilitary users as they carry international approval, like ul 1950, csa 22.2, tuv en60950, vde 160, iec 950, dentori and ce markings apart from clearances of fcc, vfg 243/91 and vcci-2. All units are environmentally cleared for shock, impact, vibrations, thermal and other extremes. Opening humidity ranges are 95 per cent non-condensing with temperature ranging from -10ºc to +60ºc ambient.Specifications of ac/dc converter include: the converter input ranges from 85 to 264 v ac, 40 to 440 hz with single, dual and triple outputs ranging from 3 v to 48 v dc that are universally available as standard select voltage combination. All sources are directly mountable on the instrument chassis, racks, cabinets and din rail with champs. Low profile heights of 25 mm or 30 mm are available for rack slider arrangements with power levels of 125 w, 250 w and 500 w.