| Marca | ROCKWILL |
| Número do Modelo | Maintenance-Free Outdoor Ring Main Unit-12kV 24kV 36kV |
| Tensão nominal | 36kV |
| Corrente nominal | 630A |
| Série | RMR |
Maintenance-Free Outdoor Ring Main Unit
Product description
Main new advantages
Main technical parameter
| No | Item | Unit | Data | ||
| 1 | Rated voltage | kV | 12kV | 24kV | 36kV |
| 2 | Rated current | A | 630 | ||
| 3 | Rated short-time withstand current | kA | 20/3s | ||
| 4 | Dynamic stable current | kA/0.3s | 50 | ||
| 5 | Thermally stable current | kA/3s | 20 | ||
| 6 |
Power frequency withstand voltage/1min
|
kV | 42 | 55 | 85 |
| 7 | Lightning impulse withstand voltage | kV | 75/85 | 125/150 | 170/185 |
| 8 | Partial discharge test | Less than 9kV | Less than 15kV | Less than 45kV | |
| Discharge amount: ≤10PC | Discharge amount: ≤10PC | Discharge amount: ≤10PC | |||
| 9 | Enclosure protection class | IP44 | |||