| Manufacturer | Siemens |
| Category | SIMATIC S7-300 (Legacy Range) |
| SKU / Product code | 6ES7321-1CH00-0AA0 |
| Weight | 0.306 kg |
| Country of origin | DE |
| Commodity code | 85389091 |
| Description | SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16 DI, AC/DC 24 - 48V WITH ONE CHANNEL PER COMMON, 1 X 40 PIN |
