switchgear 1:induced ABB's technic,,high flame retardant materail was used.safe and reliable 2:compact desing,save space MNS low voltage draw-out switchgear(indoor)Main technicial Parameters Rated isolation voltage660VRated frequency50HzRated voltage of Auxiliary circuitAC:100V,220V,380VDC: 110V220VRated current≤4000ARated short-time withstand current50,80kARated peak value withstand current105, ...