【英文标准名称】:Electricalaccessories-Circuit-beakersforovercurrentprotectionforhouseholdandsimilarinstallations-Circuitbreakersfora.c.operation
【原文标准名称】:家用和类似设施用的过电流保护断路器.交流操作断路器
【标准号】:BSEN60898-1-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-09-09
【实施或试行日期】:2003-09-09
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;开关动力;小型断路器;电气工程;使用条件;电力设备;定义;低压电器;自动断路器;断路器;交流断路器;开关;寿命试验;试验条件;作标记;过流断路器;线路开关;家用;尺寸选定;过电流保护装置;额定值;特性;特性;电气设备;试验;设计;过电流;交流电流;家用设备
【英文主题词】:Abilitytoswitch;Alternatingcurrent;Alternating-currentcircuitbreakers;Auxiliarycircuits;Characteristics;Circuit-breakers;Clamps;Classificationsystems;Contactsafetydevices;Definition;Definitions;Design;Dimensioning;Electricalappliances;Electricalengineering;Electricalinstallations;Erecting(constructionoperation);Householdequipment;Householduse;Installations;Letterings;Lifetest;Lineswitch;Low-voltageequipment;Marking;Miniaturecircuit-breakers;Mountingconditions;Operatingconditions;Overcurrent;Overcurrentcircuit-breakers;Overcurrentprotection;Productinformation;Properties;Ratedvoltages;Ratings;Resistance;Routinechecktests;Self-actingcircuit-breakers;Switches;Switchingpower;Testing;Testingconditions
【摘要】:ThispartofIEC60898appliestoa.c.air-breakcircuit-breakersforoperationat50Hzor60Hz,havingaratedvoltagenotexceeding440V(betweenphases),aratedcurrentnotexceeding125Aandaratedshort-circuitcapacitynotexceeding25000A.Asfaraspossible,itisinlinewiththerequirementscontainedinIEC60947-2.Thesecircuit-breakersareintendedfortheprotectionagainstovercurrentsofwiringinstallationsofbuildingsandsimilarapplications;theyaredesignedforusebyuninstructedpeopleandfornotbeingmaintained.Theyareintendedforuseinanenvironmentwithpollutiondegree2.Theyaresuitableforisolation.Circuit-breakersofthisstandardaresuitableforuseinITsystemsprovidedthattherequirementsofHD384.4.473arecompliedwith.Thisstandardalsoappliestocircuit-breakershavingmorethanoneratedcurrent,providedthatthemeansforchangingfromonediscreteratingtoanotherisnotaccessibleinnormalserviceandthattheratingcannotbechangedwithouttheuseofatool.Thisstandarddoesnotapplyto-circuit-breakersintendedtoprotectmotors;-circuit-breakers,thecurrentsettingofwhichisadjustablebymeansaccessibletotheuser.Forcircuit-breakershavingadegreeofprotectionhigherthanIP20accordingtoEN60529,foruseinlocationswherearduousenvironmentalconditionsprevail(e.g.excessivehumidity,heatorcoldordepositionofdust)andinhazardouslocations(e.g.whereexplosionsareliabletooccur),specialconstructionsmayberequired.Requirementsforcircuit-breakersfora.c.andd.c.operationaregiveninEN60898-2.Requirementsforcircuit-breakerswhichincorporateresidualcurrenttrippingdevicesaretobefoundinEN61009-1andEN61009-2-1.Supplementaryrequirementsmaybenecessaryforcircuit-breakersofthescrew-intypes.Aguideforco-ordinationundershort-circuitconditionsbetweenacircuit-breakerandanothershort-circuitprotectivedevice(SCPDs)isgiveninannexD.NOTE1Formoresevereovervoltageconditions,circuit-breakerscomplyingwithotherstandards(e.g.IEC60947-2)shouldbeused.NOTE2Foranenvironmentwithahigherpollutiondegree,enclosuresgivingtheappropriatedegreeofprotectionshouldbeused.NOTE3Circuit-breakerswithinthescopeofthisstandardmayalsobeusedforprotectionagainstelectricshockincaseoffault,dependingontheirtrippingcharacteristicsandonthecharacteristicsoftheinstallation.Thecriterionofapplicationforsuchpurposesisdealtwithbyinstallationrules.NOTE4RecommendationsforthedimensionalcoordinationbetweenenclosuresandcircuitbreakersformountingonrailaccordingtoEN60715orequivalentmeansaregivenintheCENELECreportR023-001.Thisstandardcontainsallrequirementsnecessarytoensurecompliancewiththeoperationalcharacteristicsrequiredforthesedevicesbytypetests.Italsocontainsthedetailsrelativetotestrequirementsandmethodsoftestingnecessarytoensurereproducibilityoftestresults.Thisstandardstatesa)thecharacteristicsofcircuit-breakers;b)theconditionswithwhichcircuit-breakersshallcomply,withreferenceto:1)theiroperationandbehaviourinnormalservice;2)theiroperationandbehaviourincaseofoverload;3)theiroperationandbehaviourincaseofshort-circuitsuptotheirratedshort-circuitcapacity;4)theirdielectricproperties;c)thetestsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthetests;d)thedatatobemarkedonthedevices;e)thetestsequencestobecarriedoutandthenumberofsamplestobesubmittedforcertificationpurposes(seeannexC);f)theco-ordinationundershort-circuitconditionswithanothershort-circuitprotectivedevice(SCPD)associatedinthesamecircuit(seeannexD);g)theroutineteststobecarriedoutoneachcircuit-breakertorevealun
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:142P.;A4
【正文语种】:英语


【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge-Biological-ecologicalanalysisofwater(groupM)-Part1:Determinationofthesaprobicindexinrunningwaters(M1)
【原文标准名称】:德国对水、废水和淤泥的统一检验法.水的生物学-生态学分析(M组).第1部分:流动水中腐生物指数的测定(M1)
【标准号】:DIN38410-1-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:质量;标准方法;水常规;生物试验;溪;水;生物学;流水;水域;生态学;定义;水质试验;试验;水生生物学;腐生物指数;水化学;水质;分类
【英文主题词】:definition;water;waters;quality;definitions;testing;streams;standardmethods;waterquality;chemistryofwater;ecology;classification;runningwaters;saprobicindices;biology;waterpractice;biologicalt
【摘要】:Theprojectspecifiesamethodforcalculationofthesaprobicindexinrunningwaters.ItisapplicabletopermanentlyortimelyrestrictedrunningwatersofallsizesandinallgeographicalregionsofGermany.Itisnotapplicableforcoastalwatersandtransitionalwaters,orpermanentlyortimelyrestrictedsaltwateraffectedwaters.Inwatertrafficcourses(canals)andhighwatercontrolledrunningwatersthismethodisonlyofrestrictedapplicability.Selectionoftime,frequencyandlocalityofsamplingisofdecisiverelevanceforbiological-ecologicaltesting.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:80P;A4
【正文语种】:德语