Allen-Bradley 1746-P4 SLC 500 Power Supply Module 1746P4

Description:

The Allen-Bradley 1746-P4 SLC 500 Power Supply Module (1746P4) is used in SLC 500 control systems to provide regulated input power to the chassis backplane and installed modules. Commonly installed in SLC 500 racks within industrial control panels, manufacturing systems, and process automation equipment where dependable PLC power distribution is required. Maintenance teams, OEMs, and system integrators use this power supply for system repairs, replacement of failed units, rack refurbishment, and maintaining reliable operation of legacy SLC platforms.

Applications:

The Allen-Bradley 1746-P4 power supply is widely used in industrial environments operating SLC 500 controllers to energize CPUs, communication modules, and I/O cards. It supports manufacturing plants, water treatment facilities, material handling systems, and processing operations where stable PLC backplane power is essential for continuous automation performance.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part number: 1746-P4
• Product type: PLC power supply module
• Platform: SLC 500
• Input voltage: 24 V DC
• Output: Backplane power for SLC 500 chassis
• Mounting: Chassis-mounted (left side of rack)
• Compatible chassis: 1746 SLC 500 racks
• Output capacity: Application dependent
• Application environment: Industrial automation systems

Common Replacements:

• Allen-Bradley 1746-P2
• Allen-Bradley 1746-P1
• Siemens 6EP1333-3BA10