... generation of 10 KV-35KV intelligent circuit breakers (V-Sa series) which have obtained many patents. FeaturesComplete modularized ... sensorReal-time temperature measurement of dynamic contactField of ApplicationV-Sa indoor vacuum circuit breakers are widely used in ... 75951251853Rated frequencyHz50,604Rated currentA630,1250,1600,2000,2500,3150,4000*630,1250,1600,2000,2500,3150,5Rated short-circuit ...