Live Tank Circuit Breaker EDT with integrated current transformer
Well proven circuit breaker based on modular design, factory assembled and tested for rapid installations
The EDF SK is a live tank SF6 AutopufferTM circuit breaker. It has a proven design and long performance in a vast range of environments and ambient conditions with an installed base in over 80 countries. The EDF breaker is type-tested to stringent conditions as per the latest IEC standard for high voltage circuit breakers, IEC 62271-100.
Applications
- Switching of Transmission Lines
- Switching of Transformers
- Switching of Capacitor banks
- Switching of Reactors
Why Hitachi Energy?
- Proven self blast technology with low energy requirement
- Superior switching capability – Class C2 & S2 as per IEC
- Proven performance in extreme temperatures, from -50 °C to +50 °C
- Compact design and easy installation
- Factory assembled poles facilitate easy installation
- Global service organization, local everywhere
Brief performance data
| EDF SK 1-1 72.5 kV | |||
|---|---|---|---|
| Rated voltage | kV | 52 | 72.5 |
| Frequency | Hz | 50-60 | 50-60 |
| Rated current* | A | 2500 | 2500 |
| Rated Breaking current | kA | 31.5 | 31.5 |
| Lightning impulse withstand level – LIWL** | kV | 250 | 325 |
| * for temp below +40 °C ** higer values on request |
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