The DNR120AS12-I part of XP Power is a high-performance ac-dc open frame power supply. The power supply provides 120W of output power in a 2" x 4" enclosure with an input voltage range of 85-264VAC and a wide output voltage range of 12V dc. It provides a peak power of 140W, short circuit protection, overcurrent protection, and an adjustable output voltage via an external potentiometer. The DNR120AS12-I also has high efficiency (>80%) and an active power factor correction for surge current reduction. The power supply has been designed to meet the requirements of international safety standards including UL, cUL, TUV and CE.