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Siemens 6ES7401-2TA01-0AA0 Programmable Logic Controller
The Siemens 6ES7401-2TA01-0AA0 is a high-capacity PLC (Programmable Logic Controller) rack from the Siemens SIMATIC S7-400 series.

| Brand | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7401-2TA01-0AA0 |
Siemens 6ES7401-2TA01-0AA0 Programmable Logic Controller - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-400, rack CR2, central, 18 slots, 2 segments 2 redundant PS can be plugged in |
| Product family | Racks |
| Product Lifecycle (PLM) | PM300:Active Product |
| PLM Effective Date | 240 / 240 |
| Region Specific PriceGroup / Headquarter Price Group | Show prices |
| Metal Factor | AL : N / ECCN : N |
| Net Weight (kg) | 30,70 x 59,20 x 4,20 |
| Packaging Dimension | CM |
| Package size unit of measure | 1 Piece |
The Siemens 6ES7401-2TA01-0AA0 PLC belongs to the SIMATIC S7-400 racks family and is engineered for central automation architectures where scalability and redundancy are critical. With 18 available slots, divided into 2 segments, the rack allows extensive system configuration while supporting 2 redundant power supplies for maximum uptime. Measuring 30.70 Γ 59.20 Γ 4.20 cm, it is built to house a large number of modules securely while maintaining mechanical stability and efficient airflow. Classified as an active PM300 lifecycle product, Siemens ensures long-term service, spare availability, and compatibility with existing and future S7-400 modules. Engineers trust the 6ES7401-2TA01-0AA0 because it combines modular scalability, redundancy support, and Siemensβ proven build quality. Designed as a CR2 central rack with 18 slots, it provides robust housing for CPUs, power supplies, and I/O modules, ensuring reliable performance in large-scale automation systems that demand modularity and high availability.
Applications of the Siemens 6ES7401-2TA01-0AA0 PLC rack cover industries that require large, reliable, and expandable automation infrastructures. In automotive and aerospace manufacturing, it serves as the backbone for centralized control systems that integrate robotics, conveyors, and quality monitoring. In heavy industries such as cement, steel, and petrochemicals, the 18-slot rack provides the modular space required for extensive I/O networks and redundant controllers. Utilities and energy plants deploy the 6ES7401-2TA01-0AA0 to ensure stable housing of critical CPUs and redundant power supplies that keep continuous operations running without failure. Engineering professionals and students can clearly see how this CR2 rack supports fault-tolerant, scalable, and future-proof system design. By integrating the Siemens 6ES7401-2TA01-0AA0, industries benefit from reduced downtime, flexible expansion, and long-term reliability within their SIMATIC automation environment.




