UL SUBJECT 2455-2004 自锁紧防护盖调查大纲.发布编号:1

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【英文标准名称】:OUTLINEOFINVESTIGATIONFORSELF-HOLDINGPROTECTORSIssueNumber:1
【原文标准名称】:自锁紧防护盖调查大纲.发布编号:1
【标准号】:ULSUBJECT2455-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004-05-05
【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】:1.1TherequirementsinthisOutlineofInvestigationcover:a)Impedance-protectedmotors;b)Thermal-device-protectedmotors;c)Thermal-protectivedevices;andd)Mo[orswithsolidslatethermalprotectioncircuitry.1.2TherequirementsinthisOutlineofInvestigationapplyonlytomotorsrated600Vorless.1.3TherequirementsinthisOutlineofInvestigationdonotcover:a)Amanualdeviceforopeningthecircuit;b)Amotorintendedforuseinahazardouslocation;c)Motorsemployingadevicethatservesasamotorprotectorandamanualmotorcontroller;d)Motorsemployingamotorprotectorwithcontactsthatcontrolarelaycoilinamotorstarter;e)Motorsprotectedbydevicesresponsivetocurrentonly;f)Sealed(hermetic)typemotorcompressors;g)Impedance-protectedmotorsemployinganautomatic-startingswitch;orh)Thermalcutoffdevices.ThermalcutoffsarecoveredbytheStandardforThermalCutoffsforUseinElectricalAppliancesandComponents,UL1020.1.4TherequirementsinthisOutlineofInvestigationareintendedtoevaluateaspecificmotor,protector,andmotor/protectorcombination.Wheneitherthemotor,theprotector,orthemotor/protectorcombinationischanged,aseparateevaluationisrequired.
【中国标准分类号】:K31
【国际标准分类号】:
【页数】:8
【正文语种】:英语