The Mean Well SD-150B-24 is a 150 watt, 24 volt, 6.25 amp DC power supply from the company's SD series of switching power supplies. It is designed to be easy to set up and use and features short-circuit, overload, and overvoltage protection on a tiny 5.9 x 3.1 x 1.3 inch package. It is UL and cUL recognized and has a two-year warranty. Other features include a high efficiency of 75 percent, -20C to +50C working temperature, and a low no-load power consumption of 0.20 W. It is suitable for use in communications, industrial automation, security systems, and other electronics applications.