AC input rang selected by switch, short circuit and over load and over votage protections, cooling by free air convenction. AC input rang selected by switchshort circuit and over load and over voltage protectionscooling by free air convenction.100% full load load burn-in testFixed switching at 75KHz1 Year warranty

 40W 5V, 40W 12V, 40W 15 V, 40W 24V Single output switching power supply available.

S-40 40W Single output switching power supply