Emerson Network Power's range of DIN rail mount ac-dc power supplies with three-phase inputs comprises four models, with power output ratings from 240 watts to 960 watts. All four power supplies have a 380 to 480 Vac input, feature power factor correction, and meet the SEMI F47 standard for sag immunity. The power supplies are also capable of operating from a dc input in the range 450 to 820 Vdc.