Siemens Digital I/O Module SIMATIC S7-400 Digital 230V
- RS stock no.:
- 226-3992
- Mfr. Part No.:
- 6ES7421-1FH20-0AA0
- Manufacturer:
- Siemens
Subtotal (1 unit)*
R 18 504,36
(exc. VAT)
R 21 280,01
(inc. VAT)
FREE delivery for orders over R 1,500.00
Stocked by manufacturer
- Ready to ship from 18 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | R 18,504.36 |
*price indicative
- RS stock no.:
- 226-3992
- Mfr. Part No.:
- 6ES7421-1FH20-0AA0
- Manufacturer:
- Siemens
Specification
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Digital I/O Module | |
| Module Type | Digital I/O Module | |
| Input Type | Digital | |
| Maximum Supply Voltage | 230V | |
| Number of I/Os | 16 | |
| Depth | 210mm | |
| Series | SIMATIC S7-400 | |
| Standards/Approvals | RoHS | |
| Width | 25mm | |
| Length | 290mm | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Digital I/O Module | ||
Module Type Digital I/O Module | ||
Input Type Digital | ||
Maximum Supply Voltage 230V | ||
Number of I/Os 16 | ||
Depth 210mm | ||
Series SIMATIC S7-400 | ||
Standards/Approvals RoHS | ||
Width 25mm | ||
Length 290mm | ||
- COO (Country of Origin):
- DE
The Siemens SIMATIC S7-400 series digital input SM 421 has 16 digital input. It has 120/230V input voltage and 80mA current.
Input current 80mA
Number of digital inputs 16
Type of input voltage AC/DC
Power loss 12 W
Isolation tested with 1500 V AC
Related links
- Siemens SIMATIC S7-400 Series Series Digital I/O Module for Use with SIMATIC S7-400
- Siemens SIMATIC S7-400 Series Series Digital I/O Module for Use with Rapid/Slow Traverse Drives
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- Siemens SIMATIC S7-400 Series Series Rack for Use with SIMATIC S7-400
- Siemens SIMATIC S7-400 Series Series Power Supply for Use with SIMATIC S7-400
- Siemens SIMATIC S7-400 Series Series Connector for Use with SIMATIC S7-400
- Siemens SIMATIC S7-400 Series Series Power Supply for Use with SIMATIC S7-400, 230 V
- Siemens SIMATIC S7-400 Series Series PLC I/O Module for Use with SIMATIC S7-400