| Manufacturer | Siemens |
| Category | SIMATIC S7-300 (Legacy Range) |
| SKU / Product code | 6ES7321-7RD00-0AB0 |
| Weight | 0.3 kg |
| Country of origin | DE |
| Commodity code | 85389091 |
| Description | SIMATIC S7, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 4 DI, 24V DC, NAMUR/DIN 19234, F. SIGNALS F HAZARDOUS AREAS, CAPABLE OF DIAGNOST.,PTB-TESTED |
