China Distribution System Intelligent Energy Saving High Voltage Switchgear

The AVR-24 type intelligent compact solid insulated 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.
This product conforms to IEC60298, GB3906-2006, GB/T 11022-1999, DL/T 593-2006, GB 1984-2003 standards, etc.
Major Technical Parameters are shown below:

Rated voltage24kVRated current630/1250ARated frequency50HzRated short-duration (1 min) power frequency withstand voltage42kVRated short-circuit breaking current25kARated short-duration withstand current (4s)25kARated lightning impluse withstand voltage110kVRated short-circuit making current (peak value)63kARated peak withstand current63kARated short-circuit current drop-out times30 TimesMechanical service life of vacuum circuit breaker10000 TimesMechanical service life of disconnectors/ground switch2000 TimesProtection degree of enclosureIP4XRated operating sequence of circuit breakerO-0.3s-CO-180s-CORated work power supplyAC/DC 100/220V