The Allen-Bradley 1756-PA75 is a robust standard power supply designed specifically for the ControlLogix chassis, offering reliable backplane power essential for module operation. This unit is compatible with input voltages ranging from 85 to 264VAC at 47-63 Hz, with a nominal input level of 120VAC or 240VAC, and delivers an output of 75 watts across varied current capacities of 4A at 3.3VDC, 13A at 5.1VDC, and 2.8A at 24VDC. It excels in industrial settings, handling Pollution Level 2 environments and operating up to 2000 meters altitude, with a non-replaceable fuse for enhanced safety, promising a consistent power supply even with brief input interruptions.