AVR-24 Intelligent Compact Solid Insulated Switchgear

The AVR-24 type intelligent compact solid insulation switchgear is China's first-developed intelligent permanent-magnetic vacuum switchgear developed and manufactured by our company with independent intellectual property rights, which is based on the development demands of smart grid and adopts the design concept of being "intelligent, energy-saving, environmentally-friendly and maintenance-free". It integrates such functions as measurement, control, protection and communication etc, with high intelligent degree. This product is suitable for 50Hz, 12kV electric power systems, extensively applied to industrial and civil cable ring networks and power supply terminal projects; it is a top choice to guarantee safe, reliable, economical and efficient operation of the power network.Rated voltage24 kVRated current630/1,250 ARated frequency50 HzRated short-duration (1 min) power frequency withstand voltage42 kVRated short-circuit breaking current25 kARated short-duration withstand current (4s)25 kARated lightning impluse withstand voltage110 kVRated short-circuit making current (peak value)63 kARated peak withstand current63 kARated short-circuit current drop-out times30 timesMechanical service life of vacuum circuit breaker10,000 timesMechanical service life of disconnectors/ground switch2,000 timesProtection degree of enclosureIP4XRated operating sequence of circuit breakerO-0.3s-CO-180s-CORated work power supplyAC/DC 100/220V
DescriptionUnitUsing Environment ValueSurrounding AirMax TemperatureºC+50Min Temperature-50Max Daily Temperature DifferenceK30Altitudem≤2,000Solar Radiation IntensityW/cm20.1Pullution ClassIVIcing-Thicknessmm10HumidityAverage Value of Daily Relative Humidity%≤100Average Value of Monthly Relative Humidity≤95Earthquake Torelance AbilityDegree≤8