The SF6-free EconiQ circuit-breaker reduces CO2-equivalent emissions from the insulating gas by 99.3 percent. SF6 gas has excellent insulation and switching performance and has been used for ...
This chapter reviews the circuit-breaker designs which are type tested to IEC 60298 and IEC 62271-100 for use on distribution voltages up to 52 kV. The design and service experience of different types ...
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