The GSM25E48-P1J is a Mean Well AC/DC enclosed power supply, featuring an adjustable output of 48V at 5.2A. It has a wide input voltage range of 85-264Vac, so it can be used in different countries with different mains supplies. The power supply is rated IP67, meaning it is dust-tight and can withstand immersion in water up to 1m deep. It also features active Power Factor Correction (PFC) to reduce power consumption and high efficiency of up to 90%. Short circuit, over load, over voltage, and over temperature protection circuitry is built-in to make sure the power supply works safely and reliably. The power supply is UL, CUL, TUV, CB, and RoHS approved to meet safety standards.