In most procurement cycles, 6ES7400-1JA01-0AA0 is considered with Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0, giving decision-makers confidence that they’ve chosen the most dependable component.
Siemens 6ES7400-1JA01-0AA0 Programmable Logic Controller
The Siemens 6ES7400-1JA01-0AA0 is a rugged PLC (Programmable Logic Controller) rack from the SIMATIC S7-400 family, designed for both central and distributed installations.

| Brand | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7400-1JA01-0AA0 |
Siemens 6ES7400-1JA01-0AA0 Programmable Logic Controller - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-400, rack UR2, central and distributed with 9 slots, 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) | 27,50 x 39,10 x 4,30 |
| Packaging Dimension | CM |
| Package size unit of measure | 1 Piece |
The 6ES7400-1JA01-0AA0 is part of the Racks product family and classified as a PM300 Active Product by Siemens, meaning it is actively supported for new installations. This rack accommodates 9 expansion slots and allows for redundant power supply units to be plugged in, offering uninterrupted operation for critical control tasks. It is compatible with the full range of S7-400 CPUs, interface modules, and power supplies.
With a packaging dimension of 27.50 x 39.10 x 4.30 cm and a durable metal build (ECCN: N), this unit is engineered for reliability in process industries, manufacturing, and infrastructure automation. . The Siemens 6ES7400-1JA01-0AA0 rack is widely used in SCADA-based DCS architectures, power plants, steel mills, and water treatment facilities where high uptime and modular expandability are crucial. Its ability to support redundant power supply units ensures continuous operation during PSU maintenance or failure.
Automation engineers prefer this rack for its compatibility with PCS 7 configurations and its support for high-density I/O setups. The 9-slot design provides flexibility for system expansion without additional panels, reducing cabinet footprint.
Engineered to Siemens’ global quality standards, the 6ES7400-1JA01-0AA0 combines long-term lifecycle support, mechanical robustness, and efficient system integration—making it a trusted choice in critical industrial control deployments.




