Live Tank Circuit Breaker EDF SK 1-1 up to 72.5 kV
Well proven circuit breaker based on established design, assembled and tested for rapid installation
The EDF SK is a live tank SF6 Auto-Puffer™ 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 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 -30 °C to +50 °C
Compact design and easy installation
High seismic capability due to optimized pole and structure design
Global service organization, local everywhere
Brief performance data
| LTB Type | EDF SK 1-1 | |
|---|---|---|
| Rated voltage | kV | 72.5 |
| Frequency | Hz | 50-60 |
| Rated continuous current | A | 2500* |
| Rated short circuit breaking current | kA | 31.5 |
* Standard values as per IEC. Additional data on request.
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