Model | FKN12-12D | FKRN12-12D | ||
Rated voltage | kV | 12 | 12 | |
Rated frequency | Hz | 50 | 50 | |
Rated current | A | 630 | 125 | |
Rated short-time withstand current | kA | 20 (4s) | 20(4s) | |
Rated peak withstand current (peak) | kA | 50 | 50 | |
Rated short circuit breaking current | kA | - | 31.5 | |
Rated transfer current | A | - | 1200 | |
Mechanical endurance | Ops | 2000 | 2000 | |
No-load transformer breaking capacity | KVA | 1250 | 1250 | |
Rated cable charging current | A | 10 | 10 | |
Power frequency withstand voltage (1min) (wet)(dry) phase to phase/isolating distance | kV | 42/48 | 42/48 | |
Lighting impulse withstand voltage (peak) (wet)(dry) phase to phase/isolating distance | kV | 75/85 | 75/85 |