... vacuum circuit breakerBased on Germany’s advanced medium voltage circuit breaker manufacturing technologies and through independent ... Low fault rate.Intelligent control and diagnosisElectronic current/voltage sensorMechanism position sensorReal-time temperature measurement of ... .8,27.4,34.8,43.521.8,21.8,27.417.4,21.8,27.417.3,21.7, ... .5/24/40.5kV Indoor Medium Voltage Vacuum Circuit Breaker(VCB)