Using a universal input of 85 to 265 Vac (47-63 Hz), HWS-A series of ac-dc power supplies have 15-, 30-, 50-, 100- and 150-W power levels with nominal outputs of 3.3, 5, 12, 15, 24 and 48 Vdc. The 50-, 100- and 150-W models include active- power factor correction. All units comply with EN61000-3-2, and meet EN55011/EN55022 and FCC curve B requirements for conducted and radiated EMI at high line input. The operating temperature range is -10 to 50 °C at full load, and up to 70 °C with appropriate derating.