Siemens SIMATIC S7-400 Series Series Digital I/O Module for Use with SIMATIC S7-400
- RS Stock No.:
- 226-3990
- Mfr. Part No.:
- 6ES7421-1BL01-0AA0
- Brand:
- Siemens
Subtotal (1 unit)*
£460.56
(exc. VAT)
£552.67
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 3 unit(s) shipping from 27 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £460.56 |
*price indicative
- RS Stock No.:
- 226-3990
- Mfr. Part No.:
- 6ES7421-1BL01-0AA0
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Accessory Type | Digital I/O Module | |
| Range | S7-400 | |
| Series | SIMATIC S7-400 Series | |
| For Use With | SIMATIC S7-400 | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Accessory Type Digital I/O Module | ||
Range S7-400 | ||
Series SIMATIC S7-400 Series | ||
For Use With SIMATIC S7-400 | ||
- COO (Country of Origin):
- DE
The Siemens SIMATIC S7-400 series digital input SM 421 has 32 digital input. It has 24VDC input voltage and 20mA current.
Number of digital input 32
Input current 20mA
Power loss 6W
Input current 20mA
Power loss 6W
Related links
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- Siemens SIMATIC S7-400 Series Series Connector for Use with SIMATIC S7-400
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