The Allen-Bradley / Rockwell Automation 1756-PA75R is a 120/220 V AC ControlLogix Redundant Power Supply. Operating voltage of 1756PA75R ranges from 85...265 V AC. 1756-PA75R has an input frequency range of 47...63Hz, input power max. of 120VA 115W, and an inrush current max. of 20A. Current capacity at 1.2V is 1.5A, at 3.3V is 4A, at 5.1V is 13A, and at 24V is 2.8A. The ControlLogix power supply is accompanied with the 1756 chassis to provide 1.2V, 3.3V, 5V, and 24V DC power to the chassis backplane (chassis standard series B).