The PSD-30C-12 is a part of Mean Well's series of PFC (Power Factor Correction) power supplies. The part features 30 watts of output power, with a universal input voltage range from 90 - 264VAC. The unit has a built-in active PFC function, which improves the efficiency of the unit, and it has built-in protection from short-circuit, over-voltage, over-load, and over-temperature conditions. The device also has a temperature range of operation from -20°C to +45°C and has high reliability of over 200K hours. It also has an LED indicator, which displays the status of the power supply.