Allen-Bradley 1756-PA75 ControlLogix AC Power Supply

The Allen-Bradley 1756-PA75 ControlLogix AC Power Supply is the standard AC-input power module for ControlLogix 1756 chassis, delivering power to the backplane and the controller’s 5 V DC rail. It accepts 85–265 VAC input at 47–63 Hz and provides up to 75 W of output power to support the chassis electronics. For higher availability, Rockwell offers a redundant version, the 1756-PA75R, designed to complement or replace the standard PA75 in systems requiring redundancy. In typical industrial automation deployments, this module powers a single ControlLogix chassis, enabling reliable operation of the CPU and I/O modules within the rack.