UL1310培训讲义.docx
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UL1310培训讲义.docx
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UL1310培训讲义
Class2PowerUnits
-UL1310(5thEdition)
(DatedMay3,2005,LastReviseDateJan。
31,2006)
-CAN/CSA-C22.2No。
223—M91(2ndEdition)
(DatedJune1991)
Agenda(大綱)
ØScope(范围)
ØClass2Definition(Class2定义)
ØKeyConstructionRequirements(结构要求重点)
•Enclosure/ProtectiveDevices/CoilInsulation/InputConnections/OutputConnections
/AccessibilityofLiveParts/SeparationofCircuits/Grounding/Spacing
(外壳/保护装置/变压器绝缘/输入连结/输出连结/带电体可接触性/线路隔离/间距)
ØKeyPerformanceRequirements(测试要求重点)
•ElectricalTests(电气测试)
•MechanicalTests(机构测试)
ØCautionMarking&Instruction(警告标示及使用说明)
ØRelativeSPSStandardInstruction(相关标准简介)
Scope(範圍)
IndoorandoutdooruseClass2powersuppliesandbatterychargersforuseonalternatingcurrentbranchcircuitswithamaximumpotentialof150Vtoground。
连接于对地最大电压150V的交流电源上之室内及户外用Class2电源适配器及充电器
ØPortabledirectplug-inunitsprovidedwith15Abladeconfigurationsforuseonnominal120or240Vbranchcircuits
ØCord—andplug—connectedunitsprovidedwitha15Aor20Aattachmentplugconfiguration(构造)
ØUnitspermanentlyconnectedtotheinputsupply
Inputpowerdoesnotexceed660Wunderanypossibleconditionofoutputloading(最大输入功率不超过660W)
Class2Definition(Class2定义)
Class2VoltageLimitation(Class2电压限制)
VoltageTypeIndoor—useunitsOutdoor—useunits
Sinusoidal,ac30V,rms30V,rms(UL)
Non—sinusoidal,ac42.4V,peak42。
4V,peak(UL)
Puredc60V(UL)60V(UL)
Non—sinusoidalacordc42.4V(CUL)42.4V(CUL)
Note:
ForACSystems—Iftheproductexceedsthe15Vrmsand21.2Vpeak;andisnotgreater30Vrmsand42。
4Vpeak;
ForDCSystems-Iftheproductexceedsthe30VforcontinuousdcTheproductshallbemarkedasbelow:
US–“Class2notwet,”“Class3wet”
Canada–“Class2notwet,”“Class1wet”
Max.O/Pcurrentforinherentlylimitedunits(先天限制的)(30。
1)
Circuitvoltage(Vmax)a,bacordcVolts
Max。
nameplateratings
Max.o/pcurrent
(Imax)c,amperes
V—A
Amperes
0–20
Over20to30
Over30to60,dconly
5。
0XVmax
100
100
5.0
100/Vmax
100/Vmax
8.0
8。
0
150/Vmax
aVmax:
Maximumoutputvoltageregardlessofloadwithratedinputvoltageapplied.
bVoltagerangesshownareforsinusoidalalternatingcurrentandcontinuousdirectcurrent.Fornonsinusoidalalternatingcurrent,maximumvoltageshallnotbegreaterthan42.4voltspeak.Fordirectcurrentinterruptedatarateof10–200hertz,maximumvoltageshallnotbegreaterthan24.8volts。
cImaxismaximumoutputcurrentregardlessofload.
Themaximumoutputvolt-amperesshallnotbemorethan100volt-amperes(最大输出不得超过100VA)
Max。
O/PcurrentandVAfornotinherentlylimitedunits(非先天限制的)(Cl30.2)
Circuitvoltage(Vmax)a,bacordcVolts
Max.nameplateratings
Max.o/pcurrent
(Imax)c,amperes
Max.o/pVA
(VAmax)d
Max。
overcurrentprotectionrating,A
V-A
Amperes
0–20
Over20to30
Over30to60,dconly
5.0XVmax
100
100
5.0
100/Vmax
100/Vmax
1000/Vmax
1000/Vmax
1000/Vmax
250e
250
250
5。
0
100/Vmax
100/Vmax
aVmaxisthemaximumoutputvoltageregardlessofloadwithratedinputvoltageapplied.
bVoltagerangesshownareforsinusoidalalternatingcurrentandcontinuousdirectcurrent.Fornonsinusoidalalternatingcurrent,maximumvoltageshallbegreaterthan42.4voltspeak.Fordirectcurrentinterruptedatarateof10–200hertz,maximumvoltageshallnotbegreaterthan24.8volts。
cImaxismaximumampereoutputregardlessofloadafteroperationasspecifiedin30。
2.1。
dVAmaxismaximumvolt-ampereoutputregardlessofloadafteroperationasspecifiedin30.2。
1.
eMaximumvolt—amperesis350ifmaximumcircuitvoltageis15orless.
Construction(結構)
MechanicalAssembly——DirectPlug—In(机构组立—插墙式)(Cl7.11)
MechanicalAssembly--DirectPlug—In(机构组立—插墙式)(7。
16)
Determinationofperimeterofunitswithroundededges
A=5。
1mmforUL(MarkingforMounting(固定件)Tab)
A=8.0mmforCUL(NoMountingTab)
Ifamountingtabbeprovided,thefollowingconditionsshallbemet:
a)Useonaor15—ampere,125-250-voltreceptacle(NEMA1—15Ror5—15Ror6-15R);
b)Ascrew[No.6mountingscrew(3。
5mmmajordiameter,32threads/inch)]isprovidedandconstructedtosecuretoaduplex(双方的)receptaclethathasacenterscrew;
c)Foraunitwithoutagroundingpin,themountingtabisconstructedtobemountedtobothgroundingandnon—groundingreceptacles;and
d)Marked“CAUTION”andthefollowingortheequivalent:
1)“RiskofElectricShock–Disconnectpowertothereceptaclebeforeinstallingorremovingtheunit。
Whenremovingreceptaclecoverscrew,covermayfallacrossplugpinsorreceptaclemaybecomedisplaced;”
2)“Useonlywithduplexreceptaclehavingcenterscrew;”and
3)“Secureunitinplacebyreceptaclecoverscrew”
MetalEnclosure(金属外壳)
Indooruse:
ØAsheetmetalthicknessnotlessthanthatinTable8。
1.ThethicknessofsheetmetalotherthansteeloraluminumshallnotbelessthatthaninTable8。
1foruncoatedsteel(8.4)
ØIronandsteelpartsshallbeprotectedagainstcorrosion(抗蚀)bygalvanizing(镀锌),plating(电镀),enameling(上釉),orotherequivalentmeansifthecorrosion(侵蚀)ofsuchunprotectedpartsresultsinariskoffire,electricshock,orinjurytopersons(9。
1)
Outdooruse:
ØAtype3R,3S,or4XenclosureevaluatedwithUL50(CCN:
CYIVorBGUZ),isnotrequiredtobesubjectedtotheRainTest(56。
1)
ØAmetallicenclosureshallbeprotectedagainstcorrosion(57。
5)
ØCopper,bronze(青铜),andbrass(黄铜)containingnolessthan80percentcopper,orstainlesssteelmaybeusedwithoutadditionalprotectionagainstcorrosion(57.6)
Enclosure(塑料外壳)
Indooruse:
ØUL:
Flammability(燃烧等级):
Min.V—2(UL94)
CUL:
Flammability:
Min.V-1(UL94)
ØResistancetoarcingproperties:
UL746C
ØMoistureabsorptiveproperties
Outdooruse:
ØAtype3R,3S,or4XenclosureevaluatedwithUL50(CCN:
CYIVorBGUZ),isnotrequiredtobesubjectedtotheRainTest
ØAnenclosureofaunitshallbeconstructedtoreducetheriskofelectricshockduetoweatherexposureandshallpreventliveparts,electricalcomponents,orwiring(notidentified(鉴别)forusewhileincontactwithwater)frombecomingwet
ProtectiveDevices(保护装置)
ØTheprotectivedevicemaybelocatedineithertheprimaryorsecondarycircuit(可在初级或次级线路)
ØTypeofprotectivedevice:
Thermostat,ThermalCutoff,PositiveTemperatureCoeffecient(PTC)Resistor,NegativeTemperatureCoeffecient(NTC)Resistor,Fuse,EutecticMaterial(双合金材料)
ØAnprotectivedeviceshallnotopenwhendeliveringitsratedoutput(正常额定输出时,保护装置不可做动)
ØAprotectivedeviceforanotinherentlylimitingClass2powerunitshallnotbeoftheautomaticreclosingtype(自动恢复式)andshallberatedwithTable30.2andprovidedinsecondarycircuit
CoilInsulation(变压器线圈绝缘)
ØAnytypeorthicknessofinsulationmaybeusedifthecoilwithstandstheinducedpotentialtest(13.2.8.b)
ØTapeusedasinsulationinlieuof(代替)spacingshallprovideacontinuous1/32inch(0.8mm)minimumwidebentupedgeagainstthebobbinflanges(使用胶带当绝缘以抵押间距要求则须提供至少0。
8mm宽的反折)(13。
2.3)
Aflanged,bobbin-woundtransformershallbesubjectedtotheoutputloadingtestcontinuedfor15daysifthetransformerhas:
ØTheprimarywindingwoundoverthesecondarywindingorthesecondarywindingwoundovertheprimarywinding;and
ØTheprimarywindinginsulatedfromthesecondarywindingbyalayerofinsulatingmaterialotherthancoilform/bobbin
Thetestisnotrequiredtobeappliedfor15daysifthefollowingrequirementsaremet:
ØMultiplelayeredwindingwire◊UL746A,UL746B,UL746C
ØMeetspacingrequirement◊Table24.1,Table24。
2
ØAlternatespacing◊UL840
ØTripleinsulatedwiring◊Subject2353(OBJT2)
InputConnection(输入连结)
MultipleVoltageRatedPowerUnit(多输入电压电源适配器)
Definition(定义):
Apowerunitwitharatedvoltagerange(suchas100–240volts)ormorethanonediscretevoltagerating(suchas120/240volts)
IntendedforUseByTravellers(旅行者用电源适配器)
Definition(定义):
(14。
1。
4)
Amultiplevoltagerateddirectplug-inpowerunitwitha125V,15A(parallel)inputbladeconfiguration,oramultiplevoltageratedcord—connectedpowerunitwithanon—detachablepowersupplycordterminatingina125V,15A(parallel)bladeplug
RequirementsforIntendedforUseByTravellers(旅行者用电源适配器的要求):
(14。
1.4)
a)Thebladeassemblyshallbea125volt,15ampconfiguration(构造);
b) Thepowerunitshallemployauseradjustable(可调整的)voltageselectorandcomplywithSwitchPositionTest,orbecapableofoperatingatdifferentvoltageswithoutuseradjustment;
c) Theinputvoltageratingshallincludenominal120volt;
d) Thepowerunitshallbemarkedasspecifiedin51。
8;and
e) Thepowerunitshallbeprovidedwithinstructionsasspecifiedin54.4
Amultiplevoltageratedpowerunitintendedforusebytravelersshallbemarkedasfollowswiththefollowingorequivalent:
(51.8)
a)”SeeinstructionmanualforuseincountriesotherthantheU.S.A.”or
b)“Seeinstructionsforinputvoltageconversion."or
c)“Seeinstructionsiftheinputplugdoesnotfitthepoweroutlet"
Instructionsshallinclude(a)—(c)ortheequivalent,asappropriate.Theitemsshallbeprecededby”IMPORTANTSAFETYINSTRUCTIONS—SAVETHESEINSTRUCTIONS”and"DANGER-TOREDUCETHERISKOFFIREORELECTRICSHOCK,CAREFULLYFOLLOWTHESEINSTRUCTIONS"inlettersof1/8inch(3.18mm)highorinareadilyvisiblecontrastingtext(54。
4)
a)”Besurevoltageselectorisincorrectvoltagepositionbeforepluggingin。
”Theinstructionsshallalsospecifytheprocedurestofollowforchangingthevoltageselector
b)”ForuseintheU.S。
A。
,thevoltageselectorswitchmustbeplacedin
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