The M1981 military power supply is a rugged AC to DC converter. It accepts an AC input range from 85 to 265VAC, 50/60/400Hz and provides a single DC output from 3.3V to 48V, up to 200W, with custom outputs available. Designed to meet military standards MIL-STD-704, MIL-STD-1399, MIL-STD-810, MIL-STD-461.