... for 3.6~24kV,3-phase AC 50Hz,single-bus and single-bus sectionalized system. It is mainly used for ... and starting of large high-voltage motor, etc.,so as to control, protect and monitor the system. The switchgear meets IEC298, ... ,2500,3150,400061min Power frequencywithstand voltagewetkV3850/60drykV4860/657Lightning impulse withstand voltagekV7595/1258Rated short circuit breaking current (peak)kA40/50 ...