Brand: Siemens SIMATIC
Part Number: 6ES7441-1AA04-0AE0
Model: SIMATIC S7-400 CP441-1 Coupling Module
Product Type: Communication / Coupling Module
System Compatibility: Siemens SIMATIC S7-400 PLC Systems
Communication: Point-to-Point Connection (Serial Communication)
Application: Industrial Automation and Control Systems
Condition: Used – Tested
The Siemens SIMATIC S7-400 CP441-1 Coupling Module (6ES7441-1AA04-0AE0) is designed to enable reliable point-to-point communication in industrial automation systems. This communication processor allows efficient data exchange between the S7-400 PLC and external devices using serial communication protocols.
The CP441-1 coupling module integrates seamlessly with Siemens SIMATIC S7-400 automation platforms, providing stable communication for machine control, industrial data transfer, and process automation applications.
This Siemens 6ES7441-1AA04-0AE0 CP441-1 communication module has been used and tested, ensuring dependable performance and readiness for integration into existing automation systems.
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Shipping & Support
✓ Ships within 24 hours from stock
✓ Express shipping options available at checkout
✓ Worldwide insured shipping via UPS & DHL
✓ Includes 30-day warranty

Photos show the actual item. If multiple units are available, all are identical in condition and specifications.
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We supply industrial automation spare parts including PLCs, HMIs, CPUs, I/O modules, drives, sensors, and control components from leading brands such as Siemens, Beckhoff, Allen-Bradley, Omron, Schneider Electric, Eaton, and more. All parts are available from stock and ready for fast worldwide shipping. Aegean Automation is a trusted supplier of industrial automation components for production systems, machinery, and factory automation worldwide.
This product is used in industrial automation systems to support reliable operation and integration within control and monitoring environments.
It is commonly applied in PLC systems, control panels, and automation processes where stability and long-term performance are required.
Suitable for maintenance, replacement, or expansion of existing industrial automation systems.


















