The GS40A18-P1J is a single output DC/DC power supply manufactured by Mean Well. It has an input voltage range of 10-36V DC, and an output voltage of 18V DC at 40A. It also features over-voltage, over-current, and short circuit protections, as well as over-temperature protection with a remote temperature sensor. It is suitable for use in a variety of applications, such as industrial, commercial, medical, and telecommunication systems. It is UL, TUV, CB, and CE certified.