Suiting either medical or industrial applications, the SHP650 and MHP650 single-output, fan-cooled ac/dc power supplies exhibit an efficiency of 86% and pack a power output to 650W. The MHP650 range meets the IEC60601-1 safety specification for medical equipment while the SHP650 range complies with the IEC60950 standard for IT and industrial equipment. Both operate from a universal 85 to 264 Vac input range with full power available from 90 Vac. Operating temperature range is -20°C to +70°C with no derating below 50°C. Each series offers six output-voltage versions covering the nominal voltages of 12, 15, 24, 28, 36, or 48 Vdc, trimmable within ±10% of nominal. Available control signals include AC OK and remote on/off. Prices start at $179 for the SHP650 and $281 for the MHP650 in medium volumes. For further information, contact Duane Darrow at XP Power, Sunnyvale, CA. (408)732-7777.