Siemens SIMATIC S7-400H Series Series PLC CPU for Use with SIMATIC S7-400H

Subtotal (1 unit)*

R 404 589,08

(exc. VAT)

R 465 277,44

(inc. VAT)

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  • Ready to ship from 22 October 2026
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Units
Per unit
1 +R 404,589.08

*price indicative

RS stock no.:
226-3949
Mfr. Part No.:
6ES7400-0HR51-4AB0
Manufacturer:
Siemens
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Brand

Siemens

Accessory Type

Bundle H-system

Product Type

PLC CPU

Series

SIMATIC S7-400H Series

For Use With

SIMATIC S7-400H

Hazardous Area Certification

No

Standards/Approvals

CE, UKCA

COO (Country of Origin):
DE

Siemens SIMATIC S7-400H Series PLC CPU, Bundle H-system Accessory Type - 6ES7400-0HR51-4AB0


This PLC CPU is designed to serve as the central processing element within high-availability control architectures for SIMATIC S7-400H installations. It operates as part of a redundant configuration to maintain continuous control in industrial automation environments and is supplied as an accessory bundle for implementation into H-system arrangements. The unit complies with relevant CE and UKCA regulatory marks and is intended for use in locations that are not designated hazardous areas.

Features and Benefits:


• Supports redundant operation for continuous control availability
• Supplied as an H-system bundle for simplified integration
• Compatible with SIMATIC S7-400H for direct system interchangeability
• Conforms to CE and UKCA standards for regulatory alignment

Applications


• Suitable for redundant PLC installations in process control
• Used with SIMATIC S7-400H for plant automation systems
• Ideal for high-availability manufacturing control environments
• Can be used where non-hazardous-area equipment is required

Is the unit certified for use in explosive atmospheres?


It is not certified for hazardous areas and must be installed only in non-hazardous locations.

Which control platforms will accept this accessory bundle?


It is designed for direct use with SIMATIC S7-400H control hardware.

What regulatory marks indicate conformity for regional markets?


The unit carries CE and UKCA markings indicating conformity with applicable regional requirements.

Does the product support redundant system architectures?


Yes, it is intended for deployment in redundant configurations within H-system arrangements.

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