Description:

The Allen-Bradley 1756-PA75 PLC AC Power Supply is used in ControlLogix automation systems to provide regulated AC power to PLC racks, controllers, and I/O modules. Commonly installed in industrial control cabinets, machine automation panels, and distributed PLC systems where dependable power delivery is critical for logic processors and I/O card operation. Maintenance teams and system integrators use this power supply for panel upgrades, retrofit replacements of failed power modules, system expansions, and ensuring continuous uptime.

Applications:

The Allen-Bradley 1756-PA75 power supply is commonly used in industrial automation environments including manufacturing production lines, material handling systems, packaging machinery, HVAC and building automation panels, water and wastewater treatment facilities, and processing equipment where stable PLC power ensures reliable controller performance and reduces unplanned downtime.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 1756-PA75
• Product Type: PLC AC Power Supply
• Input Voltage: AC mains (model dependent wide AC range)
• Output Voltage: Regulated DC supply to ControlLogix rack
• Output Current: 75 A total DC output capacity
• Power Rating: Industrial control power source for PLC/I/O modules
• Compatibility: Rockwell Automation 1756/ControlLogix systems
• Mounting Type: Rack mounted in ControlLogix chassis or panel mounted
• Protection Features: Overload, short-circuit and overvoltage protection
• Application Category: Power supply for PLC logic and I/O systems
• Operating Temperature Range: Industrial-rated conditions
• Connection: Terminal connections or pluggable connectors (model dependent)

Common Replacements:

• Allen-Bradley 1756-PA120 Power Supply (higher capacity)
• Allen-Bradley 1606-XLS Industrial Power Supply Series
• Mean Well RSP-480 Industrial Power Supply