| Spesifikasi | Voltan yang dinilai (V) | Arus yang dinilai (A) | Demensi lebar masa 9mm | |
| S7-OF pembantu | VAC | 415V | 3A | 1 |
| 230V | 6A | 1 | ||
| VDC | 60V | 4A | 1 | |
| 110V | 2A | 1 | ||
| 220V | 1A | 1 | ||
| S7-SD penggera tambahan | VAC | 415V | 2A | 1 |
| 240V | 4A | 1 | ||
| VDC | 110V | 1A | 1 | |
| S7-MX perjalanan shunt | VAC | 220V-415V | ≥44VA | 2 |
| 110V-220V | ≥44VA | 2 | ||
| VDC | 110V-220V | ≥48VA | 2 | |
| 24V-60V | ≥48VA | 2 | ||