Overview
The Allen-Bradley 1756-CPR2 /A is a specialized power supply cable designed for ControlLogix chassis systems requiring redundant power configurations. It connects the Chassis Adapter module to the redundant power supply module, enabling automatic load sharing and seamless failover protection in critical automation environments.
Key Features
- Enables power supply redundancy in ControlLogix chassis, connecting two power supplies in redundant configuration to ensure continuous power delivery and fault tolerance in critical automation systems
- Supports automatic load sharing
- Made up of high-quality industrial-grade material
- Bend radius of 5 inches
- Gray with connectors at both ends
Technical Specifications
- Catalog Number: 1756-CPR2
- Cable Length: 0.91m (3ft)
- Weight: Approximately 0.679 kg
- Operating Temperature: 0 to 60 °C (32 to 140 °F)
- Connector Type: Proprietary Allen-Bradley two-end connection
- Compatible Adapter: 1756-PCSA2 Chassis Adapter
- Certifications: GOST and KC
- Series: ControlLogix
Typical Applications
The ControlLogix range includes various input and output modules for many different requirements, mostly used for the control of manufacturing processes or as high-speed digital devices. This cable is essential for:
- High-availability control systems requiring power redundancy
- Mission-critical manufacturing process automation
- Dual power supply configurations on ControlLogix Series B platforms
- Systems requiring automatic failover without shutdown
Compatibility & Replacements
The Allen-Bradley 1756-CPR2 /A connects exclusively to the 1756-PCSA2 Chassis Adapter and works with compatible power supply models such as 1756-PA75 and 1756-PB75. The cable can be extended by using an additional compatible extender cable. This is the standard replacement cable for redundant power configurations on ControlLogix chassis—verify current part availability with your distributor for series/revision compatibility.






