MIL-C-28840A (AMENDMENT 6)
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MIL-C-28840A (AMENDMENT 6), MILITARY SPECIFICATION: CONNECTORS, ELECTRICAL, CIRCULAR, THREADED, HIGH DENSITY, HIGH SHOCK, SHIPBOARD, CLASS D, GENERAL SPECIFICATION FOR (5 MAY 2000) [S/S BY MIL-DTL-28840B]., This amendment forms a part of MIL-C-28840A, dated 26 May 1981, and is approvedfor use by the Space and Naval Warfare Systems Command, Department of The Navy,and is available for use by all Departments and Agencies of the Department of Defense.
【英文标准名称】:EquipmentusedforsystemisolationandRatedasaSingleUnit
【原文标准名称】:用于系统绝缘和作为单一装置的设备
【标准号】:UL6420BULLETIN-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-05-21
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1.1.1Thisstandardappliestoisolatingequipmentincorporatingelectromechanicalcontactorsremotelycontrolledandmonitoredtoprovideremoteisolationstatusindicationwithadefinedintegritylevel.Thisequipmentisintendedforuseasanadditionalisolatingmeansontheloadsideoftherequiredsupply-disconnectingdeviceandovercurrentprotection.Thisstandardappliestoisolatingequipmentthatistobeusedincircuitsofwhichtheratedvoltagedoesnotexceed1000voltsacor1500voltsdc.1.1.1.2TheSystemIsolationEquipmentisexpectedtobeusedbothasameansforremovalofpowerforpreventionofunexpectedstart-upofastoppedmachineandasanisolatortoprovideprotectionfromelectricshockbyensuringtheremovalofelectricalenergy.1.1.1.3ThisequipmentisintendedforinstallationinaccordancewiththeNationalElectricalCode,NFPA70andtheElectricalStandardforIndustrialMachinery,NFPA79.NOTE–ReferencetoSystemIsolationEquipmentisfoundinArticle430.109(a)(7)ofNFPA70;in5.5,DevicesforDisconnecting(Isolating)ElectricalEquipment,ofNFPA79;andintheStandardforSafetyofMachinery–ElectricalEquipmentofMachines–Part1:GeneralRequirements,IEC60204-1.1.1.1.4TheSystemIsolationEquipmentisnotintendedtofulfillthefunctionofamotorstarterorothermotioncontroldevice.
【中国标准分类号】:K15
【国际标准分类号】:
【页数】:74P.;A4
【正文语种】:英语
【英文标准名称】:Electronicsassemblytechnology.Selectionguidanceofenvironmentalandendurancetestmethodsforsolderjoints
【原文标准名称】:电子装配技术.焊缝用环境和耐久性试验方法的选择指南
【标准号】:BSEN62137-3-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-03-31
【实施或试行日期】:2012-03-31
【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】:
【英文主题词】:Bendtesting;Bendingstrength;Definitions;Durability;Electricalcomponents;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Environmentaltests;Erecting(constructionoperation);Influenceoftemperature;Jointstrength;Materialstesting;Properties;Reliabilitytesting;Shearstrength;SMD;Solderedjoints;Solderingpoints;Solders;Stress;Surfacemounting;Temperaturestability;Testing
【摘要】:
【中国标准分类号】:L10
【国际标准分类号】:31_020;31_190
【页数】:47P;A4
【正文语种】:英语
