热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

HB 2-1963-2002 链环

作者:标准资料网 时间:2024-05-17 06:07:26  浏览:8020   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:链环
英文名称:Chain hoop
中标分类: 航空、航天 >> 航空器与航天器零部件 >> 机械配件、构件
替代情况:HB 2-63-1994
发布日期:
实施日期:2003-02-24
首发日期:
作废日期:
出版日期:
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 航空 航天 航空器与航天器零部件 机械配件 构件
下载地址: 点击此处下载
【英文标准名称】:Electricalaccessories-Portableresidualcurrentdeviceswithoutintegralovercurrentprotectionforhouseholdandsimilaruse(PRCDs)
【原文标准名称】:电气附件.家用和类似用途无综合过电流保护的便携式剩余电流器件(PRCDs)
【标准号】:IEC61540-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC23E
【标准类型】:()
【标准水平】:()
【中文主题词】:线路开关;电气工程;过电流保护装置;电气器具;试验;开关;家用
【英文主题词】:Electricappliances;Electricalengineering;Householduse;Lineswitches;Overcurrentprotection;RCD;Switches;Testing
【摘要】:ThisInternationalStandardappliestoportabledevicesforhouseholdandsimilaruses(hereafterreferredtoasportableresidualcurrentdevices(PRCDs)consistingofaplug,aresidualcurrentdevice(RCD)andoneormoresocket-outletsoraprovisionforconnection,functionallyindependentof,orfunctionallydependenton,linevoltage.Theydonotincorporateovercurrentprotection.Theyareintendedforsingle-phasecircuitsforratedcurrentsnotexceeding16Aforratedvoltagesnotexceeding250Va.c.,orforratedcurrentnotexceeding32Aforratedvoltagesnotexceeding130Va.c.toearth.Theyareintendedtoprovideprotectionagainstshockhazardincaseofdirectcontact,inadditiontotheprotectionprovidedbythefixedinstallationsforthecircuitdownstream.PRCDshavearatedresidualoperatingcurrentnotexceeding0,03A.Theyensuretrippingincaseofresidualalternatingcurrentsandresidualpulsatingdirectcurrents,whethersuddenlyappliedorslowlyrising(see8.15).Plugsandsocket-outletswillcomplywiththerelevantstandards.Thisstandardappliestoportabledevicesperformingsimultaneouslythefunctionsofdetectionoftheresidualcurrent,ofcomparisonofthevalueofthiscurrentwiththeresidualoperatingvalueandofopeningoftheprotectedcircuitwhentheresidualcurrentexceedsthisvalue.Theyarenotintendedtobeusedaspartsoffixedinstallations.Theirconnectingmeansmaybeplugs,socket-outlets,terminalsorcords.NOTES1TherequirementsforPRCDsareinlinewiththegeneralrequirementsofIEC61008-1.PRCDsareessentiallyintendedtobeoperatedbyunskilledpersonsanddesignednottorequiremaintenance.Theymaybesubmittedforcertificationpurposes.2TheRCDpartofthePRCDisnotintendedtoprovideisolationwhichmaybeprovidedbytheplug.3Theuseofanintegralfuseispermitted,ifnecessary,fortherelevantplugandsocket-outletsystem.4InAustraliaandinGermany,PRCDsswitchingalsothePEcircuitareinuse.Suchdevicesarenotcoveredbythisstandard.Therequirementsofthisstandardapplyforenvironmentalconditionsasdefinedin7.1.AdditionalrequirementsmaybenecessaryforPRCDsusedinlocationshavingmoresevereenvironmentalconditions.PRCDsincludingbatteriesarenotcoveredbythisstandard.ThepresentstandarddoesnotcontainadditionalrequirementsforPRCDswithoutearthingcontactsforwhichspecificrequirementsmayapply.Itmay,however,beusedasaguideforsuchdeviceswhichareintendedtobeusedonlywithClassIIappliances.ThepresentstandarddoesnotapplytoPRCDsprovidingtheadditionalfunctionofdetectingfaultsonthesupplysideandavoidingtheclosingofthePRCDonafaultysupplycircuit.
【中国标准分类号】:Y60
【国际标准分类号】:29_120_50
【页数】:217P.;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1