UL 674-2003 1区危险(分类)位置用安全电子电动机和发电机的UL标准.第4版
作者:标准资料网 时间:2024-05-22 08:03:02 浏览:9027
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:ULStandardforSafetyElectricMotorsandGeneratorsforUseinDivision1Hazardous(Classified)LocationsFourthEdition;ReprintwithRevisionThroughandIncludingOctober19,2007
【原文标准名称】:1区危险(分类)位置用安全电子电动机和发电机的UL标准.第4版
【标准号】:UL674-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003-12-11
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:危险区域;电动机;外壳;发电机;危险场所分类(电气设备用)
【英文主题词】:Dangerzones;Electricmotors;Enclosures;Generators;Hazardousareasclassification(forelectricalequipment)
【摘要】:1.1Theserequirementscoverthefollowingequipmentforinstallationanduseinhazardous(classified)locations,ClassI,Division1,GroupsB,C,andD,andClassII,Division1,GroupsE,F,andG,inaccordancewiththeNationalElectricalCode,NFPA70:a)Electricmotorsandgenerators;andb)Submersibleandnonsubmersiblesewagepumpsandsystems.1.2Theserequirementsalsocoverthesametypesofelectricalequipmentindicatedin1.1forinstallationanduseinClassI,Zone1,GroupsIIA,IIB,andIIBplushydrogenandZone20and21hazardous(classified)locationsinaccordancewiththeNationalElectricalCode,NFPA70.1.2revisedAugust12,20081.3Theserequirementscoverbothhorizontalandverticalmachinesthathavefractionalandintegralhorsepowerratingsandareforuseonalternatingcurrent(ac)ordirectcurrent(dc).1.4Theserequirementscoverelectricmotorsandgeneratorsforuseonlyunderthefollowingatmosphericconditions:a)Aminimumambienttemperatureofminus70°C(minus94°F);b)Anoxygenconcentrationnotgreaterthan21percentbyvolume;andc)Anominalbarometricpressureofoneatmosphere.1.5Theserequirementsdonotcoverintrinsicallysafemotorsandgenerators.
【中国标准分类号】:K25
【国际标准分类号】:29_160_30;29_260_20
【页数】:116P.;A4
【正文语种】:英语
【原文标准名称】:1区危险(分类)位置用安全电子电动机和发电机的UL标准.第4版
【标准号】:UL674-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003-12-11
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:危险区域;电动机;外壳;发电机;危险场所分类(电气设备用)
【英文主题词】:Dangerzones;Electricmotors;Enclosures;Generators;Hazardousareasclassification(forelectricalequipment)
【摘要】:1.1Theserequirementscoverthefollowingequipmentforinstallationanduseinhazardous(classified)locations,ClassI,Division1,GroupsB,C,andD,andClassII,Division1,GroupsE,F,andG,inaccordancewiththeNationalElectricalCode,NFPA70:a)Electricmotorsandgenerators;andb)Submersibleandnonsubmersiblesewagepumpsandsystems.1.2Theserequirementsalsocoverthesametypesofelectricalequipmentindicatedin1.1forinstallationanduseinClassI,Zone1,GroupsIIA,IIB,andIIBplushydrogenandZone20and21hazardous(classified)locationsinaccordancewiththeNationalElectricalCode,NFPA70.1.2revisedAugust12,20081.3Theserequirementscoverbothhorizontalandverticalmachinesthathavefractionalandintegralhorsepowerratingsandareforuseonalternatingcurrent(ac)ordirectcurrent(dc).1.4Theserequirementscoverelectricmotorsandgeneratorsforuseonlyunderthefollowingatmosphericconditions:a)Aminimumambienttemperatureofminus70°C(minus94°F);b)Anoxygenconcentrationnotgreaterthan21percentbyvolume;andc)Anominalbarometricpressureofoneatmosphere.1.5Theserequirementsdonotcoverintrinsicallysafemotorsandgenerators.
【中国标准分类号】:K25
【国际标准分类号】:29_160_30;29_260_20
【页数】:116P.;A4
【正文语种】:英语
下载地址: 点击此处下载
