manufacture 11kv sf6 circuit breaker Malaysia,Rated short circuit breaking current of circuit breaker kA 25 Rated short circuit making current of circuit breaker kA 63 63 63 Rated operating sequence O – 0.3 s – CO – 3 min – CO Rated closing time msec 70 70 80 Rated opening time msec 50 50 50 p.u.
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