The Allen-Bradley 1746-P3 is a rack-mount DC power supply for the SLC 500 backplane, delivering a regulated 24 V DC output at up to 3.6 A to the chassis. It accepts a DC input in the range of 19.2 to 28.8 V. The module is UL Industrial Control Equipment listed for Class 1, Division 2 (Groups A–D) and C-UL Listed, suitable for hazardous-location installations under those ratings. The 1746-P3 is designed to power the 1746 backplane and connected I/O and processor modules in 1746 SLC 500 automation systems, making it a straightforward replacement or upgrade for existing racks.
