ANSI CSA C22.2 NO.111-10-2010 General-use snap switches (Fourth Edition Update No 1 February 2012).pdf

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1、C22.2 No. 111-10General-use snap switchesLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and in

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17、u do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.Update No. 1C22.2 No. 111-10February 2012Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Info

18、rmation Products Sales or visit shop.csa.ca for information about the CSA Standards Update Service.Title: General-use snap switches originally published May 2010The following revisions have been formally approved and are marked by a vertical line in the margin on the attached replacement pages:Revis

19、ed Copyright page, Preface, Clauses 5.1.1, 5.2.1, 5.5.3, 5.21.3, 5.24, 5.25.1, 5.26.1, 7.1.1, 7.3.2, and 8.2.4.2 and Annex ANew Clauses 2.8.1, 2.8.2, 2.18, 4.4.2.7, 4.4.2.8, 4.5A, 5.1.4, 5.2.12.1, 5.20.2, 5.21.1.1, 5.25.1.1, 5.28, 5.29, 7.1.5.1, 7.1.6.1, and 7.2.4 and Figure 6Deleted None Update you

20、r copy by inserting these revised pages.Keep the pages you remove for reference.Canadian Standards AssociationCSA-C22.2 No. 11110Fourth EditionUnderwriters Laboratories Inc.UL 20Thirteenth EditionGeneral-Use Snap SwitchesMay 10, 2010(Title Page Reprinted: February 17, 2012)ANSI/UL 202012Commitment f

21、or AmendmentsThis standard is issued jointly by the Canadian Standards Association (CSA) and UnderwritersLaboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may besubmitted to CSA or UL at any time. Revisions to this standard will be made only after processingacco

22、rding to the standards development procedures of CSA and UL. CSA and UL will issue revisionsto this standard by means of a new edition or revised or additional pages bearing their date of issue.ISBN 978-1-55491-403-6 2010 Canadian Standards AssociationAll rights reserved. No part of this publication

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25、a or calltoll-free 1-800-463-6727 or 416-747-4044.Copyright 2012 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingtho

26、se Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Thirteenth Edition including revisions throughFebruary 17, 2012. The most recent designation of ANSI/UL 20 as an American National Standard(ANSI) occurred on February 15, 2012. ANSI appro

27、val for a standard does not include the Cover Page,Transmittal Pages, Title Page (front and back), or the Preface. The National Difference Page and IECForeword are also excluded from the ANSI approval of IEC-based standards.The Department of Defense (DoD) has adopted UL 20 on December 4, 1981. The p

28、ublication of revisedpages or a new edition of this Standard will not invalidate the DoD adoption.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment

29、System (CSDS) at http:/.To purchase UL Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPreface .51 Scope .72 Definitions 83 General 8A3.1 Components 8A3.2 Units of Measurement .8B3.3 Reference Publications .104 Construction .124.1 Enclosure 124.2 Lining 134.3 Bushings an

30、d Strain Relief .144.4 Bases and Bodies .144.5 Current-Carrying Parts .164.5A Separable Jumper Connector for Separable Terminals 20A4.6 Separable Terminal Assembly 214.7 Insulating Material .214.8 Actuating Members 224.9 Creepage Distances, Clearances, and Distances Through Sealing Compounds .224.10

31、 Assembly .244.11 Provision for Grounding .255 Testing .265.1 General 265.2 Test Sequence 26A5.3 Tungsten-Filament-Lamp Load Characteristics 335.4 Assembly Test 355.5 Test Conditions .365.6 Overload Test .365.7 Endurance Test .395.8 Temperature Test .405.9 Dielectric Voltage-Withstand Test 425.10 Se

32、curity of Switch Leads Test .435.11 Push-In Terminal Tests .435.12 Effect of Heat on Actuating Members Test 445.13 Switching Mechanism Test 445.14 Strain-Relief Test .465.15 Fault Current Test 465.16 Crushing Test 475.17 Resistance to Heat Test .475.18 Door Switch Assembly Test .475.19 Retention of

33、Tab Connection Test 475.20 Separable Connector Pull Test .485.21 Mold Stress Relief Test .485.22 Separable Terminal Assembly Humidity Conditioning Followed By Dielectric Test 495.23 Short Circuit Withstand Test 495.24 Latching Mechanism Test .505.25 Abnormal Overload Test 515.26 Temperature Test 525

34、.27 Continuity Impedance Test 525.28 Bonding (Fault Current) Test .52FEBRUARY 17, 2012 CSA-C22.2 NO. 11110 UL 20 35.29 Mounting Yoke Resistance Test 52A6 Ratings 52A7 Markings 52B7.1 General .52B7.2 Supplementary Markings .547.3 Location 567.4 Tungsten 56A7.5 AC-Only Identification 577.6 Switch Term

35、ination Restrictions .578 Self-Contained Switches for Use Without a Separate Outlet Box .598.1 General 598.2 Construction 598.3 Performance Testing .628.4 Markings and Instructions 69ANNEX A (Normative)Standards for ComponentsA1 Component Standards 74Annex B (Informative)Canadian Requirements for CO

36、/ALR SwitchesB1 General .75B2 Heat Cycling with Wire Disturbance .77B3 Heat Cycling with Vibration 78B4 Environmental 79B5 Stripping Torque 80FEBRUARY 17, 2012CSA-C22.2 NO. 11110 UL 204PrefaceThis is the harmonized CSA and UL Standard for General-Use Snap Switches. It is the fourth edition ofCSA C22

37、.2 No.111 and the thirteenth edition of UL 20. This edition of CSA C22.2 No. 111 supersedesthe previous edition published in 2000.This harmonized Standard was prepared by the Canadian Standards Association (CSA) and UnderwritersLaboratories Inc. (UL). The efforts and support of NEMA (National Electr

38、ical Manufacturers Association),EFC (Electro-Federation of Canada), and the CANENA Technical Harmonization Committee are gratefullyacknowledged.This Standard is considered suitable for use for conformity assessment within the stated scope of theStandard.This standard was reviewed by the CSA Integrat

39、ed Committee on Wiring Devices for Household andGeneral Use, under the jurisdiction of the CSA Technical Committee on Wiring Products and the CSAStrategic Steering Committee on Requirements for Electrical Safety, and has been formally approved bythe CSA Technical Committee.This standard has been app

40、roved by the American National Standards Institute (ANSI) as an AmericanNational Standard.Where reference is made to a specific number of samples to be tested, the specified number shall beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its

41、 scope, it is important to note that it remainsthe responsibility of the users of the standard to judge its suitability for their particular purpose.Level of HarmonizationThis standard is published as an equivalent standard. An equivalent standard is a standard that issubstantially the same in techn

42、ical content, except as follows. Technical national differences are allowedfor codes and governmental regulations and those recognized as being in accordance with NAFTA Article905, for example because of fundamental, climatic, geographical, technological, or infrastructural factors,scientific justif

43、ication, or the level of protection that the country considers appropriate. Presentation is wordfor word except for editorial changes.InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance

44、 with the standard in accordance with the proceduralrules of the standards development organization. If more than one interpretation of the literal text has beenidentified, a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reflect t

45、he intent.CSA Effective DateThe effective date for CSA International will be announced through CSA Informs or a CSA certificationnotice.FEBRUARY 17, 2012 CSA-C22.2 NO. 11110 UL 20 5UL Effective DateAs of February 17, 2012, all products Listed, Recognized, or Classified by UL must comply with therequ

46、irements in this Standard and is not part of the ANSI approved standard.A UL effective date is one established by Underwriters Laboratories Inc.FEBRUARY 17, 2012CSA-C22.2 NO. 11110 UL 2061 Scope1.1 The requirements of this Standard apply to manually operated, general-use snap switches forconnection

47、to copper (Cu) or copper-clad conductors used in accordance with the National ElectricalCode(NEC), ANSI/NFPA 70, or the Canadian Electrical Code (CEC), Part I, and intended for connectionto wiring systems recognized by the NEC or the CEC, Part I. In Canada, requirements for switches forconnection to

48、 aluminum (Al) conductors used in accordance with the CEC, Part I, and intended forconnection to wiring systems recognized by the CEC, Part I, are covered in Annex B.1.2 This Standard applies to ac/dc rated switches for which the load ratings do not exceed 60 A at 250V or less, 30 A at 251 V 600 V,

49、and 2 hp at 125 V 600 V or less. This Standard also covers ac-onlyrated switches for which the load ratings do not exceed 30 A at 347 Vac or less.1.3 This Standard applies to switches constructed to be installed readily in a flush device box or on anoutlet-box cover and intended for connection to branch-circuit wiring.1.4 This Standard applies to pendant and through-cord switches intended for field installation on flexiblecord and provided with one “on” and one “off” position.1.5 This Standard applies to