... Output Switching Power Supply, SMPS *High efficiency,low cost SMPS *professional switching power supply manufacture 25W Single Output Switching Power Supply SPECIFICATIONS INPUT ... ~500Hz,2G 10min./1cycle, period for 60min, X, Y, Z each ... Safety StandardDesign refer to UL1012, TUVEN60950EMC StandardDesign refer to EN55022,EN61000-3 ... are measured at 230VAC input, rated load and 25°C of ambient temperature ...