UL 2756-2011 UL Standard for Safety UL Advantage Program for Class III Products《第III类产品优势计划》.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 2756UL Advantage Program forClass III ProductsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FO

2、R FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSpecification for UL Advantage Program for Class III Products, UL 2756First Edition, Dated August 24, 2011Summary of TopicsThis is the first edition of UL 2756.All rights reserved. No part of this publication may be reproduced, stored i

3、n a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this Specification as is without warranty of any kind, either expressed or implied, includingbut not limited to, the implied warranties

4、 of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Specification, even i

5、f UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Specification, regardless of the form of the claim.Users of the electronic versions of ULs Specifications agree to defend, inde

6、mnify, and hold UL harmlessfrom and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneysfees) resulting from any error or deviation introduced while purchaser is storing an electronic Specificationon the purchasers computer system.AUGUST 24, 2011 UL 2756 t

7、r1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 24, 2011 UL 2756tr2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 24, 20111UL 2756Specification for U

8、L Advantage Program for Class III ProductsFirst EditionAugust 24, 2011This UL Specification consists of the First Edition.ULs Specifications are copyrighted by UL. Neither a printed nor electronic copyof a Specification should be altered in any way. All of ULs Specifications and allcopyrights, owner

9、ships and rights regarding those Specifications shall remain thesole and exclusive property of UL.COPYRIGHT 2011 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 24, 2011UL ADVANTAGE PROGRAM FOR CLASS III PR

10、ODUCTS - UL 27562No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Components 53 Units of Measurement .54 Undated References 55 Glossary .6CONSTRUCTION6 General 67 Thermoplastic Parts .68 Batte

11、ries .69 Power Supply 710 I/O Connectors 7PROGRAM REQUIREMENTS11 General .712 Production Line Tests 713 Manufacturers Data 814 Process .8MARKINGS15 General .9INSTRUCTIONS16 General .9APPENDIX AUL Advantage Program for Class III Products Construction Validation FormInstructions for the Manufacturer .

12、A1Part I Construction Validation Checklist .A1Part II Production Tests by Manufacturer A1APPENDIX BOutput capabilities of common sizes and types of batteriesAUGUST 24, 2011 UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 2756 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRI

13、BUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements apply to High-Tech Class III Products used in indoor pollution degree 2 locationsthat:a) Are supplied by a separable USB, LPS or Class II Power Supply only (no additional onboard power such as from a battery) examples being M

14、P3 charging stations, wireless routers,etc., orb) Are supplied by a separable USB, LPS or Class II Power Supply that also include a primary(non-rechargeable) battery (see Appendix B) examples being portable radios, iPod docks,clock radios, etc., orc) Are supplied by a separable USB, LPS or Class 2 P

15、ower Source that also include asecondary (rechargeable) battery with a capacity no larger than 7000 mAh examples beingcell phones, tablet computers, etc.Examples of suitable power sources related to itemsacinclude: Listed Class 2 Transformer Listed Class 2 Power Supply Other Listed Equipment marked

16、to identify the Class 2 Power Source Limited power output ports of Listed Equipment such as USB ports, etc. that are powered bya limited power source (see UL 60950-1, Second Edition, sub-clause 2.5).1.2 These requirements include:a) Relevant technical requirementsb) Relevant manufacturing requiremen

17、tsc) Relevant program requirements for providing UL, cUL and euUL services for these productsincluding Manufacturer Qualification and Training.1.3 These requirements do not apply to products with Laser Modules, notebook type computers, Class IIIdevices other than described above in 1.1, products inc

18、orporating a high voltage inverter operating aboveSELV limits, Class I or Class II products with a NEMA enclosure rating or IP Rating noted either in themanual or marketing materials or marked on the unit, an interface to a cable distribution system ortelecommunications network (TN) or motors. UL re

19、serves the right to determine and modify whichproducts qualify for this program.AUGUST 24, 2011UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 27564UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1.4 The long-term characteristics or the possi

20、ble physiological effects of radio frequency (RF)electromagnetic fields associated with this equipment have not been investigated.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this Specification shall comply withthe requirements for that component.2.2 A component is

21、 not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this Specification; orb) Is superseded by a requirement in this Specification.2.3 A component shall be used in accordance with it

22、s rating established for the intended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified limits, and shall b

23、e used only under those specific conditions.2.5 All specified component parts and materials are UL Listed or UL Recognized, and used in accordancewith the conditions of use. UL Listed or UL Recognized Components that are not covered in the Follow-UpService Procedure shall not be used without further

24、 evaluation.3 Units of Measurement3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this Specification shallbe interpreted as

25、referring to the latest edition of that code or standard.AUGUST 24, 2011 UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 2756 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Glossary5.1 Refer to the Standard for Information Technology Equi

26、pment Safety Part 1: General Requirements,UL 60950-1, Second Edition, sub-clause 1.2.5.2 LIMITED POWER SOURCE (LPS) Refer to sub-clause 2.5 of the Standard for InformationTechnology Equipment Safety Part 1: General Requirements, UL 60950-1, Second Edition.5.3 CLASS III PRODUCT A product in which pro

27、tection from electric shock relies upon supply fromSELV circuits and in which voltages above SELV limits are not generated.CONSTRUCTION6 General6.1 Class III products under this program comply with the requirements the Standard for InformationTechnology Equipment Safety Part 1: General Requirements,

28、 UL 60950-1, Second Edition.7 Thermoplastic Parts7.1 Enclosure flame rated minimum HB at the thickness used.7.2 Internal parts minimum V-2 at thickness used or electronic components, such as integrated circuitpackages, optocoupler packages, capacitors and other small parts that are mounted on minimu

29、m V-1 atthickness used.8 Batteries8.1 If inserting the batteries in the wrong orientation is possible a fire or overheating hazard shall notresult as validated by the Heating test of 12.3 with the battery inserted improperly8.2 Primary Batteries there shall be multiple/redundant components in series

30、 with the battery to preventany charging conditions8.3 Secondary Batteries Shall be Listed (BBFS) and comply with the Standard for Household andCommercial Batteries, UL 2054, having LPS outputs and are suitable for the intended use.8.4 Secondary batteries shall comply with the forced charge rapid di

31、scharge requirements in theStandard for Information Technology Equipment Safety Part 1: General Requirements, UL 60950-1,Second Edition, sub-clause 4.3.8. This can be achieved by evaluation of the maximum output voltage andcurrents from the power source under normal and single fault conditions and c

32、ompared to the batterymanufacturers specification for maximum allowed charge voltage/currents and maximum dischargecurrent of the battery pack.AUGUST 24, 2011UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 27566UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT P

33、ERMISSION FROM UL9 Power Supply9.1 Power Supply is either Listed ITE (QQGQ) having LPS outputs or Listed Class II and complies with9.2 and 9.3.9.2 The rated output current of the power supply is not to be exceeded when the product is configuredand operating to consume maximum power with the battery

34、charging under maximum charging conditions.9.3 The Power Supply Report specifies the maximum operating ambient of the Power Supply at least thesame or higher than the maximum operating ambient of the product.10 I/O Connectors10.1 I/O connectors shall not exceed LPS limits.PROGRAM REQUIREMENTS11 Gene

35、ral11.1 In addition to the above construction requirements, the following program elements must be in placefor the product to be covered by this program.12 Production Line Tests12.1 Type Tests are typically not anticipated on these types of products. The following production linetests are to be cond

36、ucted on representative samples of each new production run of Class III Productsunder this program. The related test data (or data supplied by the manufacturer) is to be recorded in theConstruction Validation Form (Appendix A).12.2 INPUT (UL 60950-1, Second Edition, sub-clause 1.6) The input current

37、 is to be measured on onesample of each new construction to verify the actual input current is equal to or less than the markedoutput rating of the power supply at the power supply marked output voltage when the unit is configuredand operating to consume maximum power from the source with the batter

38、y charging at maximumcharging current12.3 HEATING (UL 60950-1, Second Edition, sub-clause 4.5) one sample of each new constructionincorporating a battery shall be operated from discharge of the battery to full charge of the battery(maximum charging conditions) and while operating at maximum input cu

39、rrent to verify Temperature limitsas defined in sub-clause 4.5 (of UL 60950-1, Second Edition) are maintained: On the battery, Other internal parts and Parts accessible to the operator.AUGUST 24, 2011 UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 2756 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F

40、URTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL12.4 PHYSICAL (UL 60950-1, Second Edition, sub-clause 4.2) Two samples of each new constructionincorporating a UL 2054 recognized battery, shall be subjected to steady force, drop, and/or impact testsin accordance with the compliance crite

41、ria of sub-clause 4.2.1 (of UL 60950-1, Second Edition); duringand after the tests, the compliance criteria of sub-clause 4.3.8 (of UL 60950-1, Second Edition) is to beapplied to the battery pack.Exception: Products that employ a UL 2054 Listed battery pack(s) or a UL 2054 recognized batterypack(s)

42、constructed of a complete hard/rigid mechanical enclosure shall be checked by evaluating overallconstruction and review of data provided by the manufacturer.12.5 PRODUCTION TEST DATA Discrete testing as indicated above may be replaced by data obtainedby the manufacturer during the design and develop

43、ment of the product.13 Manufacturers Data13.1 ACOUSTIC (UL 60950-1, Second Edition, Annex NAD) Where the product is provided with sometype of acoustic output at communication receivers and similar devices used for voice telecommunicationregardless of transmission medium, test data supplied by the ma

44、nufacturer is to be available for eachdevice.13.2 LPS VALIDATION (UL 60950-1, Second Edition, sub-clauses 3.5.4 and 5.3 and NWGQ Guide Card) Where the combination of battery and power source is greater than LPS, the following LPSdetermination is conducted for each new construction incorporating a ba

45、ttery as follows:a) By review of the schematic that the two power sources do not combine or limitingimpedances or fuses limit the combined output in accordance with the LPS requirementsdefined in sub-clause 2.5 (of UL 60950-1, Second Edition), this testing need not be conducted,orb) Power available

46、at output connectors may be measured to verify all are at LPS levels, andcomponent faults conducted to verify compliance with method 2 of sub-clause 4.7.1 (of UL60950-1, Second Edition).14 Process14.1 The manufacturer shall demonstrate ability to comply with the manufacturing process requirementsas

47、specified in Appendix A. This determination is made by CAS at each manufacturing location prior toproduction of products under this program.14.2 The manufacturer shall complete a related training program for this program as administered byULU.14.3 The manufacturer shall track each model type produce

48、d for which the UL Mark is used, utilizing theConstruction Validation Form specified in Appendix A. This Form Report will be maintained by theManufacturer for each product for a minimum of 7 years and the manufacturer shall immediately transmita copy of the Form Report to UL for each new product int

49、roduced under this program that will bear the ULMark.AUGUST 24, 2011UL ADVANTAGE PROGRAM FOR CLASS III PRODUCTS - UL 27568UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMARKINGS15 General15.1 Markings, other than the manufacturer name and UL Mark may be provided in the user instructions(hard or soft copy) or on the product.15.2 Marking Labels shall be hot stamped, silk screened, provided on a PGDQ2 Marking and LabelingSystem suitable for the surface to wh