| Manufacturer part number (MPN) | 6ES7421-1EL00-0AA0 |
| EAN / GTIN | 4019169046145 |
| Sales unit | pcs |
| Voltage type (supply voltage) | DC |
| Number of digital inputs | 32 |
| Digital outputs configurable | No |
| Input current at signal 1 | 2 mA |
| Type of voltage (input voltage) | AC/DC |
| Type of digital output | None |
| Short-circuit protection, outputs available | No |
| Type of electric connection | Screw-/spring clamp connection |
| Explosion safety category for gas | ATEX gas-ex-protection, Cat. 3G |
| Explosion safety category for dust | None |
| Width | 25 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Country of origin | Germany |