M.V. switchboards
| ELECTRICAL CHARACTERISTICS | "CF6" Compact System |
| Rated insulation voltage (Ui) | Ui 12 ÷ 24 kV |
| Rated frequency | fr 50 ÷ 60 Hz |
| Rated atmospheric impulse withstand voltage | Up 75 ÷ 125 kV |
| Rated thermal current | Ir up to 630A |
| Rated short circuit duration 1s | Ik up to 21kA |