LED()SELVYuAnqiChinaNationalLightSourceQualitySupervisionTestingCentre(Shanghai),ChinaNationalLightingFittingQualitySupervisionTestingCentre,ShanghaiAlphaLightingEquipmentTestingLtd.Abstract:Thisarticleintroducestheproductclassification,mainsafetyrequirementsandapplicationscopeininternationalandnationalstandardsofLEDcontrolgear;analyzesthecharacteristicsofdiversifieddimminglightingappliancesandthespecificsafetyrequirementsofLEDdimmingcontrolgeartowhichattentionshouldbepaid.ThisarticlealsointroduceshowtoidentifyandapplycorrespondingproductstandardsaccordingtooperationalfunctionofdiversifiedLEDcontrolgear.Keywords:SELV(safetyextra-lowvoltage),isolation,dimming,thermallimitLEDLEDLEDLEDLEDLEDGB19510.14/IEC61347-2-136LEDLED1LEDSELVSELV/2LED/250V16mm7mm2SELV50V25V33V332V3EMCY1Y231tatata25F2LEDta1.0613LED0.941.0634LED10310LEDIP12V11000K1100K201002HIDHIDHID50100HID3LED0100LEDLEDLEDLEDLEDLED010VLEDSELVLED/0.4mmLEDLEDLEDLED1IEC61347-2-13200613LED