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
Interlock structure (Mandatory) •Itisimpossibletoconnect/disconnectcircuitbreaker,whileit•Intheservicepositionthecontrolplugcannotbeseparated. isinthe‘On’condition. •Topreventclosingofthe earthingswitchwhenthecircuit•Itispossibletoswitch‘On’thecircuitbreakeronlyifitisinbreakerisintheServiceposition. theServicepositionortheTestposition. •Itispossibleforrackingcircuitbreakerfrom‘service’to‘test’•Thecircuitbreakercanbeswitched‘Off’manuallyifthereisorvice-versaonlyifCBcompartmentdoorisclosed. nooperatingpowerorelectricinterlockattheServiceorTestpositionofthecircuitbreaker. •Theshuttercanbeoperatedviamovementofthecircuitbreaker. Interlock structure (Option) LV Door Switch Operation •CapacitiveIndicatorisequipped •Topreventswitchoperationerror,onthedoor. itispossibletocontroltheswitchingoperationforbreakerwithasoftwareprogram. Control Plug •Statusmonitoringofcontrolplug forconnectionordisconnection. Control Panel •Monitoringthecircuitbreakerpositionandearthingswitchstatus. Door Padlock • PadlockscanbeinstalledontheCBcompartmentandthecableEarthing Padlock compartment. •Padlockcanbeinstalledattheearthingswitchoperatingslot. CB Door •ItispossibletochecktheVCBoperationthroughthemonitoringCable Door window. •Itisnotallowedtoopenthedoor•Torestrictopeningofdoorifthecircuitbreakerisinthe whentheearthingswitchisnotShutter Padlock servicepositioninuncertainclosed. position. •Whenthecircuitbreakeris•Itispossibletocheckthecable•Aoperatingslot(padlockable)on removed,itispossibletoapplyathroughthemonitoringwindow. padlocktoeachshutterforeasy•Tooperatetheearthingswitchthedoorwhichcanswitchoffthe maintenance. whenthecabledoorisopen. circuitbreakerinemergency.