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Siemens 6ES7400-0HR52-4AB0 Programmable Logic Controller
The Siemens 6ES7400-0HR52-4AB0 is a fully integrated PLC (Programmable Logic Controller) system bundle from the Siemens SIMATIC S7-400H series, featuring dual CPU 414-5H processors in a hot standby H-system configuration.

| Brand | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7400-0HR52-4AB0 |
Siemens 6ES7400-0HR52-4AB0 Programmable Logic Controller - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-400H, 414-5H System bundle H-system with 1 x UR2-H, without memory card, 2 x PS 405 10A, 24/48/60 V DC, 4 x sync modules up to 10 m, 2 x sync cables 1 m, 2 x CPU 414-5H, in addition 2 memory cards and 4 backup-batteries required |
| Product family | CPU 414H |
| Product Lifecycle (PLM) | PM300:Active Product |
| PLM Effective Date | 240 / 240 |
| Region Specific PriceGroup / Headquarter Price Group | Show prices |
| Metal Factor | AL : N / ECCN : 9N9999 |
| Net Weight (kg) | 30,40 x 59,10 x 28,00 |
| Packaging Dimension | CM |
| Package size unit of measure | 1 Piece |
The Siemens 6ES7400-0HR52-4AB0 system bundle includes 1 x UR2-H rack (without memory card), 2 x PS 405 power supplies (10 A, supporting 24/48/60 V DC), 4 x synchronization modules (up to 10 meters), 2 x 1-meter synchronization cables, and 2 x CPU 414-5H processors. To complete the system, users must additionally procure 2 memory cards and 4 backup batteries. This configuration is part of the CPU 414H product family, known for stable performance in redundancy-driven environments.
Weighing approximately 30.40 kg and delivered in a durable package measuring 59.10 x 28.00 cm, this bundle is actively supported under the PM300 product lifecycle. The S7-400H platform ensures safe and continuous control even during CPU or hardware failure, making it a trusted solution in sectors like power generation, chemical processing, and large infrastructure automation.
The Siemens 6ES7400-0HR52-4AB0 PLC bundle is well-suited for high-reliability automation projects that operate 24/7 and cannot tolerate system failures. With its dual CPU 414-5H setup and real-time H-redundancy, it is frequently used in water treatment plants, energy distribution networks, transport automation, and oil & gas refineries.
For Indian automation contractors and plant engineering teams, this bundle offers a complete Siemens-certified hardware stack that simplifies the deployment of fault-tolerant PLC architecture. The PS 405 power supply support for 24/48/60 V DC adds versatility for field installations and specialized control cabinets in mobile or modular systems.
Whether you are upgrading a legacy DCS or building a new high-availability control infrastructure, the Siemens 6ES7400-0HR52-4AB0 delivers the redundancy, processing power, and lifecycle assurance required for dependable industrial automation.




