| Test Item | Voltage U m (kV) | Test result | ||||
| 7.2 | 12 | 17.5 | 24 | 36 | ||
| A.C. voltage dry withstand, 5min | 17 | 27 | 39 | 54 | 81 | No breakdown or flashover |
| Partial discharge | 6 | 11 | 15 | 20 | 30 | <10pC |
| Impulse voltage | 60 | 75 | 95 | 125 | 170 | No breakdown or flashover |
| A.C. voltage dry withstand,15min | 9 | 15 | 23 | 30 | 45 | No breakdown or flashover |
| Humidity, 300h | 4.5 | 7.5 | 11 | 15 | 22.5 | No failure or flashover |
| Test Item | Voltage U m (kV) | Test result | ||||
| 7.2 | 12 | 17.5 | 24 | 36 | ||
| A.C. voltage dry withstand, 5min | 17 | 27 | 39 | 54 | 81 | No breakdown or flashover |
| Partial discharge | 6 | 11 | 15 | 20 | 30 | <10pC |
| Impulse voltage | 60 | 75 | 95 | 125 | 170 | No breakdown or flashover |
| A.C. voltage dry withstand,15min | 9 | 15 | 23 | 30 | 45 | No breakdown or flashover |
| Salt fog, 1000h | 4.5 | 7.5 | 11 | 15 | 22.5 | No failure or flashover |