Siemens Digital I/O Module SIMATIC S7-400 120V
- RS stock no.:
- 226-3991
- Mfr. Part No.:
- 6ES7421-1EL00-0AA0
- Manufacturer:
- Siemens
Subtotal (1 unit)*
R 42 128,67
(exc. VAT)
R 48 447,97
(inc. VAT)
FREE delivery for orders over R 1,500.00
Stocked by manufacturer
- Ready to ship from 22 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | R 42,128.67 |
*price indicative
- RS stock no.:
- 226-3991
- Mfr. Part No.:
- 6ES7421-1EL00-0AA0
- 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 | |
| Maximum Supply Voltage | 120V | |
| Number of I/Os | 32 | |
| Series | SIMATIC S7-400 | |
| Standards/Approvals | RoHS | |
| Width | 25mm | |
| Length | 290mm | |
| Depth | 210mm | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Digital I/O Module | ||
Module Type Digital I/O Module | ||
Maximum Supply Voltage 120V | ||
Number of I/Os 32 | ||
Series SIMATIC S7-400 | ||
Standards/Approvals RoHS | ||
Width 25mm | ||
Length 290mm | ||
Depth 210mm | ||
- 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.
Input current 200mA
Number of digital inputs 32
Type of input voltage AC/DC
Power loss 6.5 W
Isolation tested with 1500 V AC