12kv MSS Tavriad permanent magnet vacuum circuit breaker 630A 20kA
This circuit breaker is the same to Tavrida, with permanent mangent structure, compact size.
Widely used in site places which require frequent operations and frequent breaking short circuit current.
The performance is extremely stable, and mechanical life could be up to 50000 times, and weight less than 50kgs.
| Item | Unit | ||||
| Rated voltage | kV | 12 | |||
| Rated current | A | 630 | |||
| Rated frequency | Hz | 50 | |||
| Power frequency withstand voltage | kV | 43 | |||
| Lightning Impulse Withstand Voltage | kV | 85 | |||
| Short-Circuit Breaking Current | kA | 20 | |||
| Rated Short-Circuit Making Current | kA | 50 | |||
| Rated Short-Time Withstand Current | kA | 20 | |||
| Rated Short-Time Duration | s | 4 | |||
| Rated Peak Withstand Current | kA | 50 | |||
| Rated transfer current | A | / | |||
| Rated Operating sequence | / | O-0.3s-CO-15s-CO | |||
| Mechanical life | times | 50000 | |||

