CG is one of the leading manufacturers of SF6 gas circuit breakers (GCB) in the world. We manufacture GCBs ranging from 24 kV to 765 kV. More than 29, 000 GCBs have been put into service in various environments in many countries since 1983 and operating satisfactorily. We developed 800 kV 3150 A, 50 kA GCB wi more...