Power Distribution System High Voltage 12kv Solid Insulated Electrical Switchgear
The AVR-12 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.
IEC60044-1, IEC60060, IEC60068-2, IEC60099-4, IEC60255-27, IEC60270, IEC60280.1, IEC60529, IEC60694, IEC60815-1, IEC60870-5-101, IEC61000-4, IEC61243-5, IEC62271,
Rated voltage12 kVRated current630/1,250 ARated frequency50 HzRated short-duration (1 min) power frequency withstand voltage35 kVRated short-circuit breaking current20 kARated short-duration withstand current (4s)20 kARated lightning impluse withstand voltage75kVRated short-circuit making current (peak value)50 kARated peak withstand current50 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