The Infineon W21-R220J part is a single-phase, rack-mountable, 12V/25A DC power supply. It features voltage, current, and temperature control, as well as protection against overloads, short circuits, and overvoltage. The W21-R220J works with a wide range of nominal input voltages of 90 - 264VAC and a range of 85 - 290VAC. It features a low profile, slim design and has a maximum power efficiency rating of up to 84%. In addition, the power supply has excellent load and line regulations, making it ideal for applications with stringent control requirements. The W21-R220J also has a three-year warranty.