The PBR500PS57B from XP Power is a AC to DC Converter with AC Input Voltage 80 to 264 V, AC Input Current 2600 to 5200 mA, DC Output Voltage 57 V, DC Output Current 7.02 to 8.78 A, DC Output Power 400 to 500 W. Tags: Chassis Mount. More details for PBR500PS57B can be seen below.