| Spesifikasi | Tegangan terukur (V) | Arus terukur (A) | Dimensi lebar waktu 9mm | |
| S7-OF bantu | VAC | Tegangan 415V | 3A | 1 |
| Tegangan 230V | 6A | 1 | ||
| VDC | Tegangan 60V | 4A | 1 | |
| Tegangan 110V | 2A | 1 | ||
| Tegangan 220V | 1A | 1 | ||
| S7-SD alarm tambahan | VAC | Tegangan 415V | 2A | 1 |
| Tegangan 240V | 4A | 1 | ||
| VDC | Tegangan 110V | 1A | 1 | |
| S7-MX perjalanan shunt | VAC | Tegangan 220V-415V | ≥44VA | 2 |
| Tegangan 110V-220V | ≥44VA | 2 | ||
| VDC | Tegangan 110V-220V | ≥48VA | 2 | |
| Tegangan 24V-60V | ≥48VA | 2 | ||