Siemens 6ES7400-0HR50-4AB0 CPU 412-3H

Series#: Siemens

Product Details

Siemens SIMATIC S7-400H CPU 412-3H System Bundle (6ES7400-0HR50-4AB0) – A fully integrated, high-availability redundant automation solution.
Includes 2 x CPU 412-3H with 1 MB RAM each, delivering robust fault-tolerant processing for critical process control applications.
Pre-configured with 2 x PS 405 10A power supplies, 1 x UR2-H rack, 4 x synchronization modules, and 4 x buffer batteries for seamless redundancy.
Supports hot-swap capability for selected components, minimizing downtime during maintenance or upgrades.
Ideal for chemical, petrochemical, power generation, and other demanding industrial environments requiring maximum system availability.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The Siemens SIMATIC S7-400H CPU 412-3H System Bundle (6ES7400-0HR50-4AB0) is a turnkey redundant automation platform engineered for mission-critical processes where downtime is not an option. This H-system configuration integrates two high-performance CPU 412-3H modules, each equipped with 1 MB of RAM, to provide automatic failover and seamless synchronization. The bundle includes all essential redundancy components—such as the UR2-H universal rack, four synchronization modules, and two PS 405 10A power supplies—ensuring a ready-to-deploy solution for demanding industrial applications. With support for advanced diagnostics, hot-swap maintenance, and flexible expansion via PROFIBUS and PROFINET interfaces, this system is the backbone of modern, high-availability control architectures.

Specification	Details
Product Type	Siemens SIMATIC S7-400H CPU 412-3H System Bundle
Order Number (MLFB)	6ES7400-0HR50-4AB0
System Configuration	H-system with 2 x CPU 412-3H (redundant CPUs)
CPU Memory (per CPU)	1 MB RAM (2 MB total system)
Power Supply Units	2 x PS 405 10A (DC 24/48/60 V)
Rack Type	1 x UR2-H (universal redundancy rack)
Synchronization Modules	4 x synchronization modules (cable length up to 10 m)
Synchronization Cables	2 x 1 m cables
Buffer Batteries	4 x buffer batteries for memory retention
Interfaces (per CPU)	1 x MPI/DP, 1 x PROFIBUS DP, 1 x PROFINET (optional via CP)
Supported Protocols	PROFIBUS DP, MPI, PROFINET, Industrial Ethernet
Programming Software	STEP 7 V5.x or higher; TIA Portal (compatible versions)
Redundancy Type	Automatic failover with clock synchronization
Hot-Swap Support	Yes (selected modules)
Diagnostics Functions	Extensive system diagnostics, error logging, and status indicators
Operating Temperature	0°C to 60°C (32°F to 140°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Relative Humidity	5% to 95% (non-condensing)
Protection Class	IP20 (standard enclosure)
Application Areas	Chemical, petrochemical, power generation, water treatment, and other high-availability process industries