Allen-Bradley 1756-PSCA2K Redundant Power Supply Adapter

Create reliable redundant power systems with the essential 1756-PSCA2K chassis adapter. This module ensures continuous operation for critical ControlLogix applications.

Technical Specifications

• Brand & Model: Allen-Bradley 1756-PSCA2K
• Module Type: Redundant Power Supply Adapter
• Operating Temperature: 32°F to 140°F (0°C to 60°C)
• Storage Temperature: -49°F to 140°F (-45°C to 60°C)
• Backplane Current: 125mA at 24V DC
• Power Dissipation: 25.7W at 30°C, 21.3W at 60°C
• Current Capacity 5.1V: 15A maximum output
• Current Capacity 24V: 2.8A maximum output
• Weight: 8.1 ounces (0.228 kilograms)
• Dimensions: 5.51 x 4.41 x 5.71 inches

Power Supply Compatibility

• Works with 1756-PA75R AC power supply
• Compatible with 1756-PB75R DC power supply
• Supports multiple power supply configurations
• Enables true N+1 redundancy systems
• Provides single connection to chassis backplane
• Ensures seamless power supply switching

Installation Guide

• Mount horizontally on left side of chassis
• Use three removable terminal blocks (RTBs)
• Compatible with 1756-TBSH and 1756-TBNH RTBs
• Maintain 5-inch minimum cable bend radius
• Connect using left side CPR2 power cable
• Ensure proper backplane connection

System Requirements

• Requires only one adapter per system
• Needs compatible ControlLogix chassis
• Works with redundant power supplies
• Supports industrial automation environments
• Ideal for critical process applications

Package Contents

• One 1756-PSCA2K adapter module
• Installation documentation
• Mounting hardware and accessories

Shipping Information

• Fast worldwide delivery via FedEx, UPS, DHL
• Complete tracking information provided
• Professional industrial packaging

Warranty Protection

• 12-month comprehensive warranty
• Full coverage for manufacturing defects
• Quality assurance guarantee

Expert FAQ

• How many power supplies can this adapter support?
  The 1756-PSCA2K combines two power supplies into one system.
• What power supply models are compatible?
  It works with 1756-PA75R and 1756-PB75R power supplies.
• Where does this module install in the chassis?
  It mounts horizontally on the left side of the chassis.
• How many terminal blocks does it support?
  It accommodates three removable terminal blocks.
• What is the maximum current at 5.1V output?
  It delivers up to 15A at 5.1V DC for system power.

Download Complete Documentation

• Access full technical specifications
• Get detailed installation instructions
• Download Full Product Manual Here

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