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tbreakermaincircuitandundervoltagetripcoils、powertransformerfortheinstallationoftheprimarycoilcategoryiv,therestoftheauxiliarycircuit、controlcircuitforⅲinstallationcategory。●pollutionlevelsforlevel3。●circuitbreakergenerallyadoptopeninstallation,canachieveip30protectiongrade;circuitbreakerinstalledinthecabinetputoneselfinanother'slittleroom,withthedoorframe,canachieveip40protectiongrade;installedinthecabinetputoneselfinanother'ssmallindoorandmountedtotheframeandtransparentcover,protectiongradecanreachip54。

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ratedvoltage380velectricpowercapacitorcompensationloopthroughandbreaking,toadjustthepowerfactorofpowersystem,

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