The FKW18 Outdoor load break switch is engineered for high-performance in outdoor 12/24/36kV three-phase AC 50/60Hz power systems. It is robustly composed of a disconnect blade, arc extinguishing chamber, and a precision-engineered operating mechanism.
| Items | Unit | Data |
|---|---|---|
| Rated voltage | kV | 12,24,36 |
| Rated frequency | Hz | 50,60 |
| Rated current | A | 630 |
| Rated active load breaking current | A | 630 |
| Rated loop breaking current | A | 630 |
| 5% rated active load breaking current | A | 31.5 |
| Rated power transformer breaking current | A | 1250 |
| Rated short-circuit making current | kA | 50 |
| Rated short-circuit duration | s | 4 |