The TDK-Lambda RWS150B-12 is a switching power supply designed to convert AC power to DC power. It features 12V out with 13A of current and 156W of power, which can be used for a wide range of applications. The input voltage range is from 85 to 265VAC and the power supply is EN55022 compliant and UL/CSA/CE approved. It also features a power factor correction circuit that reduces harmonic distortion, meets European EMC requirements, and has a no-load input power of less than 0.3W. This power supply is suitable for IT, Telecom, Industrial, and other distributed power applications.