UL1310培训讲义Word文档下载推荐.docx

1、 Caution Marking & Instruction （警告标示及使用说明） Relative SPS Standard Instruction （相关标准简介）Scope （範圍） Indoor and outdoor use Class 2 power supplies and battery chargers for use on alternating current branch circuits with a maximum potential of 150 V to ground.连接于对地最大电压150 V的交流电源上之室内及户外用 Class 2电源适配器及充电器 P

2、ortable direct plug-in units provided with 15 A blade configurations for use on nominal 120 or 240 V branch circuits Cord- and plug-connected units provided with a 15 A or 20 A attachment plug configuration（构造） Units permanently connected to the input supplyInput power does not exceed 660 W under an

3、y possible condition of output loading （最大输入功率不超过 660W）Class 2 Definition （Class 2定义）Class 2 Voltage Limitation（Class 2电压限制 ） Voltage Type Indoor-use units Outdoor-use units Sinusoidal, ac 30 V, rms 30 V, rms （UL） Non-sinusoidal, ac 42.4 V, peak 42.4V, peak （UL）Pure dc 60 V （UL） 60 V （UL） Non-sinuso

4、idal ac or dc 42.4 V （CUL） 42.4 V （CUL） Note: For AC Systems - If the product exceeds the 15 V rms and 21.2 V peak; and is not greater 30 V rms and 42.4 V peak; For DC Systems - If the product exceeds the 30 V for continuous dc The product shall be marked as below:US “Class 2 not wet,” “Class 3 wet”

5、Canada “Class 2 not wet,” “Class 1 wet”Max. O/P current for inherently limited units （先天限制的） （30.1）Circuit voltage （Vmax） a,b ac or dc VoltsMax. nameplate ratingsMax. o/p current（I max）c, amperesV-AAmperes0 20Over 20 to 30Over 30 to 60, dc only5.0 X V max1005.0100/Vmax8.0150/Vmaxa V max : Maximum ou

6、tput voltage regardless of load with rated input voltage applied.b Voltage ranges shown are for sinusoidal alternating current and continuous direct current. For nonsinusoidal alternating current, maximum voltage shall not be greater than 42.4 volts peak. For direct current interrupted at a rate of

7、10 200 hertz, maximum voltage shall not be greater than 24.8 volts.c I max is maximum output current regardless of load.The maximum output volt-amperes shall not be more than 100 volt-amperes （最大输出不得超过 100VA）Max. O/P current and VA for not inherently limited units （非先天限制的） （Cl30.2）Max. o/p VA（VA max

8、）dMax. overcurrent protection rating, A5.0 X Vmax1000/Vmax250e250a V max is the maximum output voltage regardless of load with rated input voltage applied.b Voltage ranges shown are for sinusoidal alternating current and continuous direct current. For nonsinusoidal alternating current, maximum volta

9、ge shall be greater than 42.4 volts peak. For direct current interrupted at a rate of 10 200 hertz, maximum voltage shall not be greater than 24.8 volts.c I max is maximum ampere output regardless of load after operation as specified in 30.2.1.d VA max is maximum volt-ampere output regardless of loa

10、d after operation as specified in 30.2.1.e Maximum volt-amperes is 350 if maximum circuit voltage is 15 or less.Construction （結構）Mechanical Assembly-Direct Plug-In （机构组立-插墙式） （Cl7.11）Mechanical Assembly-Direct Plug-In （机构组立-插墙式）（7.16）Determination of perimeter of units with rounded edgesA = 5.1 mm f

11、or UL （Marking for Mounting（固定件）Tab）A = 8.0 mm for CUL （No Mounting Tab）If a mounting tab be provided, the following conditions shall be met:a） Use on a or 15-ampere, 125- 250-volt receptacle （NEMA 1-15R or 5-15R or 6-15 R）;b） A screw No. 6 mounting screw （3.5 mm major diameter, 32 threads/inch） is

12、provided and constructed to secure to a duplex （双方的） receptacle that has a center screw;c） For a unit without a grounding pin, the mounting tab is constructed to be mounted to both grounding and non-grounding receptacles; andd） Marked “CAUTION” and the following or the equivalent:1） “Risk of Electri

13、c Shock Disconnect power to the receptacle before installing or removing the unit. When removing receptacle cover screw, cover may fall across plug pins or receptacle may become displaced;”2） “Use only with duplex receptacle having center screw;” and3） “Secure unit in place by receptacle cover screw

14、”Metal Enclosure （金属外壳 ）Indoor use: A sheet metal thickness not less than that in Table 8.1. The thickness of sheet metal other than steel or aluminum shall not be less that than in Table 8.1 for uncoated steel （8.4） Iron and steel parts shall be protected against corrosion （抗蚀）by galvanizing （镀锌）,

15、plating （电镀）, enameling （上釉）, or other equivalent means if the corrosion （侵蚀）of such unprotected parts results in a risk of fire, electric shock, or injury to persons （9.1）Outdoor use: A type 3R, 3S, or 4X enclosure evaluated with UL 50 （CCN: CYIV or BGUZ）, is not required to be subjected to the Rai

16、n Test （56.1） A metallic enclosure shall be protected against corrosion （57.5） Copper, bronze（青铜）, and brass（黄铜） containing no less than 80 percent copper, or stainless steel may be used without additional protection against corrosion （57.6）Enclosure （塑料外壳） UL: Flammability （燃烧等级 ）:Min. V-2 （UL 94）

17、CUL: Flammability: Min. V-1 （UL 94） Resistance to arcing properties: UL 746C Moisture absorptive properties CYIV or BGUZ）, is not required to be subjected to the Rain Test An enclosure of a unit shall be constructed to reduce the risk of electric shock due to weather exposure and shall prevent live

18、parts, electrical components, or wiring （not identified （鉴别）for use while in contact with water） from becoming wetProtective Devices （保护装置） The protective device may be located in either the primary or secondary circuit （可在初级或次级线路 ） Type of protective device: Thermostat, Thermal Cutoff, Positive Tem

19、perature Coeffecient （PTC） Resistor, Negative Temperature Coeffecient （NTC） Resistor, Fuse, Eutectic Material （双合金材料 ） An protective device shall not open when delivering its rated output （正常额定输出时, 保护装置不可做动） A protective device for a not inherently limiting Class 2 power unit shall not be of the aut

20、omatic reclosing type（自动恢复式） and shall be rated with Table 30.2 and provided in secondary circuitCoil Insulation （变压器线圈绝缘） Any type or thickness of insulation may be used if the coil withstands the induced potential test （13.2.8.b） Tape used as insulation in lieu of （代替）spacing shall provide a conti

21、nuous 1/32 inch （0.8 mm） minimum wide bent up edge against the bobbin flanges （使用胶带当绝缘以抵押间距要求则须提供至少 0.8 mm宽的反折） （13.2.3）A flanged, bobbin-wound transformer shall be subjected to the output loading test continued for 15 days if the transformer has: The primary winding wound over the secondary winding

22、 or the secondary winding wound over the primary winding; The primary winding insulated from the secondary winding by a layer of insulating material other than coil form/bobbin The test is not required to be applied for 15 days if the following requirements are met: Multiple layered winding wire UL

23、746A, UL 746B, UL 746C Meet spacing requirement Table 24.1, Table 24.2 Alternate spacing UL 840 Triple insulated wiring Subject 2353 （OBJT2）Input Connection （输入连结）Multiple Voltage Rated Power Unit （多输入电压电源适配器）Definition （定义）: A power unit with a rated voltage range （such as 100 240 volts） or more th

24、an one discrete voltage rating （such as 120/240 volts）Intended for Use By Travellers （旅行者用电源适配器） （14.1.4） A multiple voltage rated direct plug-in power unit with a 125 V, 15 A （parallel） input blade configuration, or a multiple voltage rated cord-connected power unit with a non-detachable power supp

25、ly cord terminating in a 125 V, 15 A （parallel） blade plugRequirements for Intended for Use By Travellers （旅行者用电源适配器的要求）:a） The blade assembly shall be a 125 volt, 15 amp configuration（构造）;b） The power unit shall employ a user adjustable （可调整的）voltage selector and comply with Switch Position Test, o

26、r be capable of operating at different voltages without user adjustment;c） The input voltage rating shall include nominal 120 volt;d） The power unit shall be marked as specified in 51.8;e） The power unit shall be provided with instructions as specified in 54.4 A multiple voltage rated power unit int

27、ended for use by travelers shall be marked as follows with the following or equivalent: （51.8）a） See instruction manual for use in countries other than the U.S.A. orb） “See instructions for input voltage conversion.” orc） “See instructions if the input plug does not fit the power outlet” Instruction

28、s shall include （a） - （c） or the equivalent, as appropriate. The items shall be preceded by IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS and DANGER - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, CAREFULLY FOLLOW THESE INSTRUCTIONS in letters of 1/8 inch （3.18 mm） high or in a readily visible contrasting text （54.4）Be sure voltage selector is in correct voltage position before plugging in. The instructions shall also specify the procedures to follow for changing the voltage selectorb） For use in the U.S.A., the voltage s