Spring operated circuit breaker EDF SK
SF6 gas-insulatedlive-tankhigh-voltage

spring operated circuit breaker
spring operated circuit breaker
spring operated circuit breaker
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spring operated, SF6 gas-insulated, live-tank
Electrical characteristics
high-voltage, switching
Operating mode
for transformers
Other characteristics
Primary current

2,500 A


52 kV, 72.5 kV


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 ABB Power Grids? • 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
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.