The GS25A05-P1J is a 5A switching power supply from MeanWell. It is a high-efficiency, wide-operating voltage DC-DC step-down converter with a wide 2:1 input voltage range of 18V to 36V DC. It outputs a single voltage at 5V DC, and features adjustable operating current up to 5A. The device is designed to be lightweight, compact, and cost-effective, making it suitable for applications in distributed power systems, automotive, telecommunication, and instrumentation applications.