【英文标准名称】:Electricalinstallationsofbuildings-Part4-43:Protectionforsafety;Protectionagainstovercurrent
【原文标准名称】:建筑物的电气设施第4-43部分：安全防护过电流保护
【标准号】:IEC60364-4-43-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC64
【标准类型】:()
【标准水平】:()
【中文主题词】:电气保护设备;电力设备;保护设备;电气工程;建筑物;过电流保护装置
【英文主题词】:Buildings;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Overcurrentprotection;Protectiondevices
【摘要】:Part4-43ofIEC60364describeshowliveconductorsareprotectedbyoneormoredevicesforautomaticinterruptionofthesupplyintheeventofoverload(seeclause433)andshort-circuits(seeclause434)exceptincaseswheretheovercurrentislimitedinaccordancewithclause436orbytheconditionsdescribedin433.4,443.5or443.3aremet.Further,protectionagainstoverloadandagainstshort-circuitsshallbeco-ordinatedinaccordancewithclause436.NOTE1Liveconductorsprotectedagainstoverloadinaccordancewithclause434areconsideredtobeprotectedalsoagainstfaultslikelytocauseovercurrentsofamagnitudesimilartooverloadcurrents.NOTE2Therequirementsofthisstandarddonottakeaccountofexternalinfluences.Fortheapplicationofprotectivemeasuresinrelationtoconditionsofexternalinfluences,see410.3.4ofIEC60364-4-41andclause422ofIEC60364-4-42.NOTE3Protectionofconductorsaccordingtothisstandarddoesnotnecessarilyprotecttheequipmentconnectedtotheconductors.
【中国标准分类号】:P91
【国际标准分类号】:29_120_50;91_140_50
【页数】:41P;A4
【正文语种】:英语