ELG-100-54-3Y is a part of a Mean Well switching power supply series. It is a 100 watt, 54 volt, 3-output power supply. It is used for supplying power to electronic devices, such as computers, printers, and other equipment requiring a secure, reliable and efficient power supply. This power supply can work with both AC and DC input ranges from 90 ~ 264 Vac and 120 ~ 375 VDC. It features over voltage, overload, and over temperature protection. It has a built-in active PFC function, and an efficiency rating up to 90%. It also has a no load power consumption of less than 0.1 Watts, and a short circuit protection with auto recovery that allows for safe and reliable operation.