Allen-Bradley 1756-PA75R ControlLogix Redundant Power Supply

Product Description

Allen-Bradley 1756-PA75R ControlLogix Redundant Power Supply is an AC redundant power supply module designed for ControlLogix chassis systems. It provides reliable backplane power for ControlLogix processors, communication modules, and I/O modules. The redundant configuration allows two power supplies to operate together, providing automatic load sharing and improved system availability for critical industrial applications.

Technical Specifications

Advantages & Features

• Redundant Power Architecture
  Supports dual power supply configurations to improve system reliability and reduce downtime.
• Automatic Load Sharing
  Two power supplies can share the chassis load, maintaining stable system operation.
• High Reliability Industrial Design
  Provides continuous power for ControlLogix controllers and I/O modules in demanding environments.
• Wide AC Input Range
  Supports 85–265V AC input, suitable for various industrial power systems.
• Status Monitoring Function
  Provides power supply status indication for easier system maintenance and troubleshooting.
• Easy ControlLogix Integration
  Designed for direct installation with ControlLogix chassis systems.

Applications

• ControlLogix PLC Systems
• High Availability Automation Systems
• Process Control Systems
• Oil & Gas Automation
• Power Generation Systems
• Chemical Processing Equipment
• Water Treatment Systems
• Large Manufacturing Production Lines

Precautions

• Confirm compatibility with the ControlLogix chassis before installation.
• Use the recommended redundant cable (1756-CPR2) for proper configuration.
• Ensure input voltage is within the specified AC range.
• Install in a clean and ventilated control cabinet.
• Disconnect power before replacement or maintenance.
• Verify both power supplies are correctly configured before operation.
• Ensure total chassis power consumption does not exceed the rated output capacity.