The MPU-300 series ac/dc switching power supplies deliver 300W of output power in a compact 1U high U-Chassis case. Four models operate from a universal input of 90 to 264 Vac, providing regulated single outputs of 12, 15, 24, or 48 Vdc. Standard features include active power factor correction to EN61000-3-2, filtering to EN55022 Class B, input/output isolation of 3 kVac, and a low safety ground leakage current. All models include over-load, over-voltage, over-temperature, and short-circuit protection. MICROPOWER DIRECT, Stoughton, MA. (781) 344-8226.