13.2kV No SF6 Solid Insulated Electrical Switchgear

12kv Metal Enclosed Sf6 Gas Insulated Electrical Switchgear The GIR-12 type intelligent switchgear is 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 IEC60044-1, IEC60060, IEC60068-2, IEC60099-4, IEC60255-27, IEC60270, IEC60280.1, IEC60529, IEC60694, IEC60815-1, IEC60870-5-101, IEC61000-4, IEC61243-5, IEC62271 standards, etc. Major Technical Parameters are shown below: Rated voltage 12kV Rated current 630A Rated frequency 50Hz Rated short-duration (1 min) power frequency withstand voltage 42/48kV Rated short-circuit breaking current 20kA Rated short-duration withstand current (4s) 20kA Rated lightning impluse withstand voltage(to earth/break) 75/85kV Rated short-circuit making current (peak value) 50/63kA Rated peak withstand current 50kA Rated load breaking current 630A Mechanical service life of vacuum circuit breaker 10000Times Rated close circle breaking current 630A 5% rated load open current 31.5A Rated transfer current 1700A