CSA C22 2 NO 270-2014 Arc fault protective devices (First Edition).pdf

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1、C22.2 No. 270-14Arc fault protective devicesLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approvedby the Standards Council of Canada. This process brings together volunteers representing varied

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21、 k of the Canadian S tandards Association, operating as “CSA Group”Arc fault protective devicesC22.2 No. 270-14C22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group 1ContentsTechnical Committee on Industrial Products 4Subcommittee on Arc Fault Protective Devices 6Preface 71 Scope

22、82 Reference publications 83 Definitions 104 Construction 114.1 General 114.2 Grounding and bonding 124.3 Insulation 124.4 Accessibility of energized parts 134.5 Internal wiring 134.6 Field wiring 144.7 Cord-connected AFCIs 144.8 Spacings 154.9 Alternative spacings Clearances and creepage distances

23、184.10 Operating mechanism 184.11 Contacts 194.12 Test circuit 194.13 Outlet branch circuit type AFCI (OBC AFCI) 194.14 AFCIs rated 120/240 V 205 Markings 205.1 General markings 205.2 Installation instructions 226 Test requirements 236.1 General 236.1.1 Test program 236.1.2 AFCIs rated 120 V 256.1.3

24、 AFCIs rated 120/240 V 256.2 Humidity conditioning 256.3 Leakage current test 256.4 Impact test 276.5 Drop test 286.6 Voltage surge test 286.6.1 General 286.6.2 Unwanted tripping test (ring wave) 296.6.3 Surge immunity test (combination wave) 316.7 Arc detection tests 326.7.1 General 32C22.2 No. 270

25、-14Arc fault protective devicesDecember 2014 2014 CSA Group 26.7.2 Arc ignition test 346.7.3 Arc interruption test 356.7.4 Parallel arc test 366.7.5 Arc clearing time test 376.8 Unwanted tripping tests 386.8.1 General 386.8.2 Inrush current 406.8.3 Normal operation arcing 426.8.4 Non-sinusoidal wave

26、form 466.8.5 Crosstalk 476.8.6 Multiple loads 496.8.7 Lamp burnout (single-pole AFCI) 496.9 Operation inhibition tests 496.9.1 General testing requirements 496.9.2 Signal masking test 496.9.3 EMI filter test 516.9.4 Receptacle and cord type devices 536.9.5 Arc Generating Test 536.9.6 Line impedance

27、test 556.9.7 Two-pole devices 576.10 Dielectric voltage withstand test 576.11 Overload and endurance test 586.12 Limited short circuit test for cord-connected devices 596.13 Normal temperature test 596.14 Environmental noise resistance test 596.14.1 General 596.14.2 Immunity to electrostatic dischar

28、ge 606.14.3 Immunity to radiated electromagnetic fields 606.14.4 Immunity to fast transients 606.14.5 Immunity to voltage surges 606.14.6 Immunity to RF field-induced disturbances 606.14.7 Immunity to voltage dips, short interruptions, and voltage variations 606.15 Surge current test 616.15.1 Genera

29、l 616.15.2 Mounting and installation 616.15.3 Surge parameters 616.15.4 Surge polarity 616.16 Abnormal overvoltage tests 616.16.1 General 616.16.2 Full phase voltage High current abnormal overvoltage test 626.16.3 Limited current abnormal overvoltage test 646.17 Line-load miswire test 656.18 Supplem

30、ental voltage surge immunity test 666.18.1 General 666.18.2 Surge immunity test (combination wave) 666.19 Mechanical testing 676.20 Terminal lead strain-relief test 676.21 Power-supply cord strain-relief test 676.22 Crushing test 68C22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA G

31、roup 36.23 Abnormal operations test 686.24 Dust test 69C22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group 4Technical Committee on IndustrialProductsR.M. Bartholomew Electric Power Equipment Ltd,Vancouver, British ColumbiaCategory: Producer InterestChairR.P. de Lhorbe Schneider

32、Electric Canada, Inc.,Richmond, British ColumbiaCategory: Producer InterestVice-ChairD.P. Badry Government of Yukon,Whitehorse,YukonCategory: Regulatory AuthorityB.M. Baldwin Startco Engineering ULC,Saskatoon, SaskatchewanCategory: Producer InterestV.V. Gagachev Eaton,Burlington, OntarioCategory: Pr

33、oducer InterestD.R. MacLeod Department of Labour and Advanced Education,Halifax, Nova ScotiaCategory: Regulatory AuthorityN. Mancini Mississauga, OntarioCategory: General InterestD. Mascarenhas Independent,Brampton, OntarioCategory: General InterestD.G. Morlidge Fluor Canada Ltd.,Calgary, AlbertaCat

34、egory: General InterestT. Olechna Electrical Safety Authority,Mississauga, OntarioCategory: Regulatory AuthorityC22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group5R. Pack SaskPower,Saskatoon, SaskatchewanCategory: Regulatory AuthorityM. Smith Rockwell Automation Canada Inc. Con

35、trol Systems,Cambridge, OntarioCategory: Producer InterestA.Z. Tsisserev Applied Engineering Solutions Ltd.,Vancouver, British ColumbiaCategory: General InterestD. Stefancic CSA Group,Mississauga, OntarioProject ManagerC22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group 6Subcomm

36、ittee on Arc Fault ProtectiveDevicesV.V. Gagachev Eaton,Burlington, OntarioChairS. Montgomery 2D2C, Inc,Kitchener, OntarioVice-ChairJ. Calabrese Electrical Safety Authority,Scarborough, OntarioP. Desilets Leviton Manufacturing of Canada Limited,Pointe-Claire, QubecS.W. Douglas International Associat

37、ion of Electrical Inspectors,Toronto, OntarioT. Evans CSA Group,Toronto, OntarioE. Larsen Schneider Electric USA, Inc. Square D,Cedar Rapids, Iowa, USAK.J. Lippert Eaton Corporation,Moon Township, Pennsylvania, USAB. Pandya Siemens Canada Limited,Burlington, OntarioK.J. Rempe Siemens Industry, Inc.,

38、Norcross, Georgia, USAA. Rocha Siemens Canada,Oakville, OntarioD. Stefancic CSA Group,Mississauga, OntarioProject ManagerC22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group 7PrefaceThis is the first edition of C22.2 No. 270, Arc fault protective devices, one of a series of Stand

39、ards issuedby CSA Group under Part II of the Canadian Electrical Code.This Standard replaces CSA TIL M-02A.Arc fault protective devices are usually embodied in combination with another device. As such, the userof this Standard will need to reference additional requirements as found in CSA C22.2 No.

40、5, CSA C22.2No. 144.1, CSA C22.2 No. 21, and CSA C22.2 No. 42 as applicable.For general information on the Standards of the Canadian Electrical Code, Part II, see the Preface ofCAN/CSA-C22.2 No. 0, General Requirements Canadian Electrical Code, Part II.This Standard is considered suitable for use fo

41、r conformity assessment within the stated scope of theStandard.This Standard was prepared by the Subcommittee on Arc Fault Protective Devices under the jurisdictionof the Technical Committee on Industrial Products and the Strategic Steering Committee onRequirements for Electrical Safety, and has bee

42、n formally approved by the Technical Committee.Interpretations: The Strategic Steering Committee on Requirements for Electrical Safety has providedthe following direction for the interpretation of standards under its jurisdiction: “The literal text shall beused in judging compliance of products with

43、 the safety requirements of this Standard. When the literaltext cannot be applied to the product, such as for new materials or construction, and when a relevantcommittee interpretation has not already been published, CSAs procedures for interpretation shall befollowed to determine the intended safet

44、y principle.”Notes:1) Use of the singular does not exclude the plural (and vice versa) when the sense allows.2) Although the intended primary application of this Standard is stated in its Scope, it is important to note that itremains the responsibility of the users of the Standard to judge its suita

45、bility for their particular purpose.3) This Standard was developed by consensus, which is defined by CSA Policy governing standardization Codeof good practice for standardization as “substantial agreement. Consensus implies much more than a simplemajority, but not necessarily unanimity”. It is consi

46、stent with this definition that a member may be included inthe Technical Committee list and yet not be in full agreement with all clauses of this Standard.4) To submit a request for interpretation of this Standard, please send the following information toinquiriescsagroup.org and include “Request fo

47、r interpretation” in the subject line:a) define the problem, making reference to the specific clause, and, where appropriate, include anillustrative sketch;b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase the request in such a way that a

48、 specific “yes” or “no” answer will address theissue.Committee interpretations are processed in accordance with the CSA Directives and guidelines governingstandardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.5) This Standard is subject to review fi

49、ve years from the date of publication. Suggestions for its improvement willbe referred to the appropriate committee. To submit a proposal for change, please send the followinginformation to inquiriescsagroup.org and include “Proposal for change” in the subject line:a) Standard designation (number);b) relevant clause, table, and/or figure number;c) wording of the proposed change; andd) rationale for the change.C22.2 No. 270-14Arc fault protective devicesDecember 2014 2014 CSA Group 8C22.2 No. 270-14Arc fault protective devices1 Scope1.1This Standard a