1769-PA4 PLC Power Supply for use with Compact I/O Module 70 x 118 x 87 mm. The Allen Bradley power supply is designed to be used with the compact I/O module. It has an input supply voltage rating of 120VAC/240VAC and output voltage rating of 5VDC and 24VDC. It has an output current rating of 5A. It can fit up to 8 modules from each side of the PSU, depending on loading and individual module restrictions.