Allen-Bradley 1756-CPR2 Power Cable

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Allen-Bradley 1756-CPR2 Power Cable

1. Product Description

The 1756-CPR2 is a redundant power cable designed for Allen-Bradley ControlLogix systems, specifically used to connect redundant power supplies (1756-PA75R or 1756-PB75R) to the 1756-PSCA2 chassis adapter module. This cable is a critical component in creating redundant power configurations for industrial automation systems, ensuring continuous operation even if one power supply fails .

2. Key Features

1. Redundant Power Support – Enables synchronization between dual power supplies for fail-safe operation .

2. Standard Length – 0.91 meters (3 feet), with a minimum bend radius of 12.7 cm (5 inches) to prevent damage .

3. High Reliability – Designed for industrial environments, resistant to vibration and temperature fluctuations .

4. Plug-and-Play Installation – Simplifies setup in ControlLogix chassis without requiring additional tools .

5. Compatibility – Works with:

   • 1756-PA75R / 1756-PB75R (redundant power supplies)

   • 1756-PSCA2 (chassis adapter module) .

3. Technical Specifications

4. Applications

• Critical Process Control – Used in oil & gas, power plants, and chemical plants where power redundancy is essential .

• Manufacturing Automation – Ensures uninterrupted operation in PLC-based assembly lines .

• Data Centers & Infrastructure – Provides backup power for industrial servers and control systems .

5. Installation & Precautions

1. Correct Pairing – Must be used with two identical power supplies (e.g., 1756-PA75R x2) .

2. Avoid Sharp Bends – Maintain ≥12.7 cm bend radius to prevent cable damage .

3. Chassis Compatibility – Verify 1756-PSCA2 adapter is installed in the ControlLogix chassis .

The structure and details of the product：

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