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The world's first 800 kV / 80 kA circuit breaker has passed national-level technical appraisal.
On November 9, a new type of circuit breaker for gas-insulated metal-enclosed switchgear—designated ZF27-800(L)/Y6300-80—successfully passed a national-level technical appraisal organized by the Chinese Society for Electrical Engineering (CSEE) in Beijing. Developed jointly by a leading Chinese manu
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