The PS-S10 and PS-S100 Series miniature DIN-rail switching power supplies feature a slim-line design, deliver efficiencies up to 88%, and include active PFC. The 10W to 100W single-output power supplies incorporate a universal ac input and both series install on DIN rail TS-35/7.5 or 15 and can be cooled by free air convection up to 60ºC. They specify a no-load power consumption of less than 1W and comply with UL508 and EN60950-1 safety standards. Depending on the model, they can perform in working temperatures from -20ºC to 70ºC. Standard features include 100% full load burn-in test, built-in DC OK active signal, and LED indicators to monitor power-on status. ALTECH CORP., Flemington, NJ. (908) 806-9400.