tandundervoltagetrippingdeviceforⅲinstallationcategory,notconnectedtothemaincircuitofauxiliarycircuitandcontr

nstallationofthecategoryⅲ,notconnectedtothemaincircuitoftcontrolcircuitory;●circuitbreakerprotectiongrade(iec609

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沈阳宏发企业集团家具有限公司企业质量信用报告

浏览次数: 日期:2017-12-14

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

parameterselectiontablequicklyne

1、theamb

controlcircuitrprotectiongrade(accordwiththestandardiec60947-1)achieveip20。___li

hasefailureprotection。thisproductisnotsuitableforreversibleconversion,doesnotapplytouseac-4categories。conform