In most procurement cycles, 6ES7401-1DA01-0AA1 is considered with Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0, giving decision-makers confidence that theyβve chosen the most dependable component.
Siemens 6ES7401-1DA01-0AA1 Programmable Logic Controller
The Siemens 6ES7401-1DA01-0AA1 is a rugged PLC (Programmable Logic Controller) rack from the Siemens SIMATIC PCS 7 / S7-400 series.

| Brand | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7401-1DA01-0AA1 |
Siemens 6ES7401-1DA01-0AA1 Programmable Logic Controller - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC PCS 7, CR3 XTR S7-400 rack central with 4 slots for extended temperature range and with conformal coating |
| Product family | Ordering Data Overview |
| Product Lifecycle (PLM) | PM300:Active Product |
| PLM Effective Date | 280 / 280 |
| Region Specific PriceGroup / Headquarter Price Group | Show prices |
| Metal Factor | AL : N / ECCN : N |
| Net Weight (kg) | 14,60 x 39,30 x 4,30 |
| Packaging Dimension | CM |
| Package size unit of measure | 1 Piece |
The Siemens 6ES7401-1DA01-0AA1 PLC is purpose-built for extreme operating conditions, offering a compact but durable frame with 4 available slots to house CPUs, power supply modules, and I/O systems. Its extended temperature tolerance and conformal coating safeguard electronics from dust, humidity, and corrosive atmospheres, making it ideal for demanding industries. With robust dimensions (14.60 Γ 39.30 Γ 4.30 cm), the rack balances compactness with mechanical strength. Classified as an active PM300 lifecycle product, Siemens ensures long-term support, spare part availability, and compatibility within the PCS 7 ecosystem. Engineers and system integrators trust the 6ES7401-1DA01-0AA1 because it combines modular flexibility, rugged design, and proven lifecycle assurance. Designed as a CR3 XTR central rack with 4 slots, it is built for extended temperature ranges and features a conformal coating for protection in harsh industrial environments, ensuring long-term stability and reliability in automation projects.
Applications of the Siemens 6ES7401-1DA01-0AA1 PLC rack are focused on industries operating in extreme environmental conditions. In oil and gas facilities, the extended temperature range ensures uninterrupted control in outdoor installations. In chemical and pharmaceutical plants, the conformal coating protects critical automation modules against aggressive vapors and moisture. Energy generation and utilities deploy the 6ES7401-1DA01-0AA1 to build central racks that guarantee high availability and system resilience. Manufacturing plants in steel, cement, and paper industries also rely on its rugged design to minimize downtime in demanding production environments. Maintenance teams and engineering students alike can learn how this CR3 XTR rack demonstrates Siemensβ commitment to reliable and scalable automation infrastructure. By integrating the Siemens 6ES7401-1DA01-0AA1, industries achieve dependable system performance, reduced lifecycle costs, and strong protection for mission-critical automation investments.




