The Allen-Bradley 1756-PA75R is an AC redundant power supply module designed to ensure uninterrupted operation for critical ControlLogix chassis by sharing the load and providing full backup if one unit fails.
The Allen-Bradley 1756-PA75 is a 75-watt power supply for ControlLogix chassis, providing stable 1.2V/5.1V DC power to backplane modules with wide input voltage range (85-265V AC/DC).