| Manufacturer part number (MPN) | 5ST3721 |
| EAN / GTIN | 4001869288642 |
| Sales unit | pcs |
| Package quantity | 25 pcs |
| Insulated | Yes |
| Number of phases | 3 |
| Cross section | 16 mm² |
| Number of poles | 3 |
| Length | 396 mm |
| Conditioned rated short-circuit current Iq | 25 kA |
| Width in number of modular spacings | 15 |
| Rated surge voltage | 4 kV |
| Type of electric connection | Pin |
| Suitable for devices with auxiliary switch | No |
| Suitable for devices with N-conductor | Yes |
| Max. rated operation voltage Ue | 400 V |
| Module width | 18 mm |
| Country of origin | Germany |
| MOQ | 1 |