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Siemens SIMATIC S5 CPU 946R Central Processor Unit

Name: Siemens 6ES5946-3UR12
Brand: Siemens
SKU: 6ES5946-3UR12
Availability: InStock

Siemens SIMATIC S5 CPU 946R

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number6ES5946-3UR12

Series SIMATIC S5

Model CPU 946R

PLC Compatibility S5-155H

Availability Exchange Only

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12-month warranty

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Veteran-owned

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SIMATIC S5 CPU 946R For S5-155H PLC Central Processing Unit High-Availability Design Available as Exchange Unit

Product description

The Siemens 6ES5946-3UR12 is a SIMATIC S5 CPU 946R, a central processing unit designed for the Siemens S5-155H PLC system. This high-availability CPU is a critical component for robust industrial control applications that demand reliable operation and redundancy.

This specific CPU is available only as an exchange unit, indicating its role in maintaining operational uptime for existing S5-155H installations. It is engineered to meet the rigorous demands of industrial environments, providing the processing power necessary for complex automation tasks within the S5 platform.

Stanlo Automation, a veteran-owned surplus parts distributor specializing in industrial automation components, offers the Siemens 6ES5946-3UR12. If you require a replacement CPU for your SIMATIC S5-155H system, contact Stanlo Automation for availability and exchange options.

Technical specifications

Series	SIMATIC S5
Model	CPU 946R
PLC Compatibility	S5-155H
Availability	Exchange Only

Common applications

Industrial Process Control

Manufacturing Automation

Legacy PLC Systems

Redundant Control Systems

High-Availability Applications

Compatible systems

Siemens SIMATIC S5-155H PLC

Also known as

Siemens S5 CPU 946R SIMATIC S5 6ES5946 PLC CPU S5-155H Siemens CPU 946R Exchange

Replaces / compatible with

This CPU is designed as a direct replacement or exchange unit for the Siemens SIMATIC S5-155H PLC system. It ensures continuity for existing installations requiring a functional CPU.

Technical note

Expert tip

As an exchange-only part, ensure your existing unit is prepared for return to maintain system availability.

What happens next?

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Frequently asked questions

What Siemens PLC system is the 6ES5946-3UR12 CPU 946R designed for?

The Siemens 6ES5946-3UR12 CPU 946R is specifically designed as the central processing unit for the Siemens SIMATIC S5-155H PLC system. It is part of a high-availability platform for critical industrial applications.