This RECOM part 20001227 is an AC-DC Power Supply module with a power output of 4W and a voltage output of 12VDC. It has a wide input voltage range of 80 to 305VAC, making it suitable for various applications. The module features a high isolation level of 4kVAC/1min, ensuring safe and reliable operation. Designed in a compact PCB form factor, this power supply module is easy to integrate into different electronic systems.