Features of ProSWGR Compartment structure that meets LSC2B •ProSWGRmeetsservicecontinuitylevelLSC2BasperIEC62271-200. •ProSWGRhasacontrolunit,amainbusunit,acircuitbreakerunitandacableunitinseparatecompartments. •UnderLSC2B,whilewithdrawableswitchingdeviceisrack-out,bothshuttersareautomaticallyclosed,separatingthemainbusunitfromthecableunitbothelectricallyandmechanically. A B C D Metallic partition structure (Class PM) •Themetallicpartitionstructureconsistsofmetalcompartmentsandmetalshutter,providingsuperiorinsulationandoutsideprotectionagainstarcaccident. •Metallicpartitionsmaintainearthingstatusbetweenlivecablesandinspectionpart,securingsafetyofoperators. •OperatorscanmonitoroperationthroughtheinspectionwindowwhiletheCBdoorisclosed,andtheequipmentsupportsinterlockwithfrontdooraccordingtothecircuitbreakerstate.
Features of ProSWGR Arc-resistance structure in compliance with IEC62271-200 ARCProof IAC(Internalarcclassified)-AFLR Duration-25kA/1.0sec -31.5kA/1.0sec -40kA/1.0sec -50kA/1.0sec Accessibility A:Type(restrictedtoauthorizedpersonnelonly) F:forFrontside L:forLateralside R:forRearside •Forthesafetyofusers,thearc-resistancetestwasperformedincompliancewithIEC62271-200AnnexA. Arc flow •Testconditions -Doororothercoversshallnotopen. -Nopiecesthatmaycauseinjuryshallburstoutfromdistributionpanel. -Noholeshallbemadeoutsidethedistributionpanelthatcanbeaccessed. -Nofront,sideorrearindicatorshallburnoutduetogasorfire. -Alldistributionpanelsshallmaintaineffectiveearthingstate. •LeadingmanufacturerinKoreafor50kA/1secinternalarccertifiedMediumVoltageSwitchgear. Internal Arc Test I 06 07 ProSWGR