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Siemens SIMATIC S7-400H Redundant System Bundle

Name: Siemens 6ES7400-0HR51-4AB0
Brand: Siemens
SKU: 6ES7400-0HR51-4AB0
Availability: InStock

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES7400-0HR51-4AB0

System Type H-system (High Availability)

Rack 1 x UR2-H

Power Supplies 2 x PS 405 10A (24/48/60 V DC)

CPUs 2 x CPU 412-5H

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12-month warranty

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Same-day dispatch

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Redundant CPU configuration High system availability Robust H-system design Integrated sync modules and cables Designed for critical applications

Product description

The Siemens 6ES7400-0HR51-4AB0 is a SIMATIC S7-400H system bundle designed for high-availability applications. This H-system features redundant components to ensure continuous operation even in the event of a single hardware failure. The bundle includes one UR2-H rack, two power supplies (PS 405 10A), and two CPU 412-5H controllers.

This system is engineered for critical processes where downtime is not an option, such as in power generation, chemical processing, and transportation. It utilizes sync modules and cables for robust communication between redundant components, ensuring seamless failover. Please note that two memory cards and four backup batteries are required and must be purchased separately.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens S7-400H system bundle. We understand the importance of reliability in your operations and offer quality components to meet your demanding needs.

Technical specifications

System Type	H-system (High Availability)
Rack	1 x UR2-H
Power Supplies	2 x PS 405 10A (24/48/60 V DC)
CPUs	2 x CPU 412-5H
Sync Modules	4
Sync Cables	2 x 1m
Required Accessories	2 Memory Cards, 4 Backup Batteries

Common applications

Process Control

Power Generation

Water/Wastewater

Petrochemical

Critical Infrastructure

Redundant PLC Systems

Compatible systems

S7-400H Systems SIMATIC Step 7 Software

Also known as

Siemens S7-400H redundant PLC SIMATIC S7-400H system 6ES7400-0HR51-4AB0 PLC bundle

Replaces / compatible with

The S7-400H platform offers a high-availability solution for critical automation tasks, often replacing less redundant systems where uptime is paramount.

Technical note

Expert tip

Ensure the correct type and capacity of memory cards are selected for the CPU 412-5H to enable full functionality and redundancy.

What happens next?

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Frequently asked questions

What is included in the Siemens 6ES7400-0HR51-4AB0 S7-400H system bundle?

The Siemens 6ES7400-0HR51-4AB0 bundle includes one UR2-H rack, two 10A power supplies, four sync modules, and two 1-meter sync cables. It also comes with two CPU 412-5H controllers. However, memory cards and backup batteries must be purchased separately.