The SKMW20F-15 is a 20W, open frame switching power supply produced by Mean Well. It features an adjustable output of 9-15V DC, an overload and short-circuit protection, and an input voltage range of 90-264V AC. It has an operating temperature range of -40oC to +85oC, an MTBF of over 200,000 hours, and a fanless, zero-noise design. It is a UL, cUL, and TUV approved product, and is often used in industrial and commercial applications, such as CNC machines, medical equipment, and medical/IT related equipment.