Siemens 6ES7921 Series Front Connector for Use with Digital I/O modules
- RS Stock No.:
- 282-3302
- Distrelec Article No.:
- 302-64-217
- Mfr. Part No.:
- 6ES7921-5AB20-0AA0
- Brand:
- Siemens
Subtotal (1 unit)*
$207.43
(exc. GST)
$228.17
(inc. GST)
FREE delivery for orders over $60.00 ex GST
Stocked by manufacturer
- Ready to ship from 15 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | $207.43 |
*price indicative
- RS Stock No.:
- 282-3302
- Distrelec Article No.:
- 302-64-217
- Mfr. Part No.:
- 6ES7921-5AB20-0AA0
- Brand:
- Siemens
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Accessory Type | Connector Module | |
| Product Type | Front Connector | |
| Series | 6ES7921 | |
| For Use With | Digital I/O modules | |
| Standards/Approvals | No | |
| Hazardous Area Certification | No | |
| Supply Voltage | 24V | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Accessory Type Connector Module | ||
Product Type Front Connector | ||
Series 6ES7921 | ||
For Use With Digital I/O modules | ||
Standards/Approvals No | ||
Hazardous Area Certification No | ||
Supply Voltage 24V | ||
- COO (Country of Origin):
- RO
Siemens 6ES7921 Series Front Connector, Front Connector Type, For Use With Digital I/O modules - 6ES7921-5AB20-0AA0
This front connector provides a connection Interface designed to mate with digital input/output modules in industrial control systems. It functions as an accessory module that links field wiring to digital I/O cards within modular PLC racks, facilitating orderly signal routing and service access in automation installations.
Features and Benefits:
• Connector module format enables straightforward service replacement
• Designed for digital I/O modules to simplify panel integration
• Accessory classification allows dedicated spare-part management
• Manufacturer origin supports consistent component sourcing
• Designed for digital I/O modules to simplify panel integration
• Accessory classification allows dedicated spare-part management
• Manufacturer origin supports consistent component sourcing
Applications
• Suitable for integration into PLC I/O bays in control panels
• Ideal for routine spare-part stocking in maintenance departments
• Used with digital signal modules in automation systems
• Can be used for replacing faulty front connectors during servicing
• Ideal for routine spare-part stocking in maintenance departments
• Used with digital signal modules in automation systems
• Can be used for replacing faulty front connectors during servicing
How does it Interface with existing I/O hardware?
It mounts directly onto compatible digital I/O modules to provide the required front-end connection between the module and external wiring harnesses.
What operational role does it serve in a control cabinet?
It serves as the primary point for organising and accessing digital signal terminations, allowing technicians to isolate and exchange I/O modules without disturbing backplane wiring.
Is it considered an OEM spare or a generic accessory?
It is produced by the module manufacturer and intended to be used as a factory-compatible accessory for matching digital I/O hardware.
How should maintenance teams classify this component in inventory?
It should be logged as a connector accessory for digital I/O modules to ensure Rapid identification during replacements.
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