Siemens 6ES7921 Series Front Connector for Use with Analog I/O Modules

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RS Stock No.:
282-3306
Mfr. Part No.:
6ES7921-5AK20-0AA0
Manufacturer:
Siemens
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Brand

Siemens

Accessory Type

Connector Module

Product Type

Front Connector

Series

6ES7921

For Use With

Analog I/O Modules

Standards/Approvals

No

Hazardous Area Certification

No

Supply Voltage

24V

Siemens 6ES7921 Series Front Connector, Connector Module Type, For Use With Analog I/O Modules - 6ES7921-5AK20-0AA0


This front connector provides a purpose-built Interface for connecting analogue I/O modules within industrial control systems. It functions as an accessory connector module designed to mate with analogue input and output units, simplifying wiring and module replacement tasks in distributed automation racks.

Features and Benefits:


• Designed as a front-mounted connector module for quick access
• Supports integration with analogue I/O modules for straightforward connectivity
• Acts as a spare-part option to facilitate Rapid field replacement
• Compatible with S7-style analogue module configurations to Streamline service operations
• Supplied by the original equipment manufacturer to ensure form-fit compatibility

Applications


• Suitable for use with analogue input modules in PLC racks
• Used with analogue output modules for signal distribution
• Ideal for system maintenance as a replacement connector spare part
• Can be used during retrofit projects to restore module connections

How does this connector assist during module replacement?


It allows the front-end Interface to be swapped without disturbing rear wiring, reducing downtime during service interventions.

Is this item intended for general-purpose connector use?


No, it is specifically designed as an accessory connector module for analogue I/O modules in Siemens control installations.

Can it be procured as a spare to keep on-site?


Yes, it is intended to serve as a spare part to support Rapid replacement of front connectors in operational systems.

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