CAN CSA-C22 2 NO 248 16-2000 Low-Voltage Fuses - Part 16 Test Limiters (Second Edition General Instruction No 1 August 2000 Update No 2 November 2004).pdf

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1、 National Association of Standardization and Certification of the Electrical Sector NMX-J-009/248/16-2000-ANCE First Edition Canadian Standards Association CAN/CSA-C22.2 No. 248.16-00 Second Edition Underwriters Laboratories Inc. UL 248-16 Second Edition Low-Voltage Fuses Part 16: Test Limiters Augu

2、st 1, 2000 (Title page reprinted: November 2004) (approved November 2004) Update No. 2 C22.2 No. 248.16-00 November 2004 Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Information Products Sales or visit www.ShopCSA.ca for information about the CSA Standards

3、Update Service. Title: Low-Voltage Fuses Part 16: Test Limiters originally published August 2000 The following revisions have been formally approved: Revised Outside front cover, inside front cover, and title page New None Deleted None CSA C22.2 No. 248.16-00 originally consisted of 14 pages each da

4、ted August 2000. It now consists of the following pages: August 2000 314 November 2004 Cover, title page, and copyright page Update your copy by inserting these revised pages. Keep the pages you remove for reference. CAN/CSA-C22.2 No. 248.16-00A National Standard of Canada(approved November 2004)Low

5、-Voltage Fuses Part 16: Test Limiters The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, volun

6、tary membership association engaged in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely

7、by industry and commerce and often adopted by municipal, provincial, and federal governments in their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs stan

8、dards development by volunteering their time and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen

9、. Sustaining memberships represent a major source of income for CSAs standards development activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Associ

10、ation regularly and continually audits and inspects products that bear the CSA Mark. In addition to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association ha

11、s developed the necessary expertise to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to mee

12、t national and international needs. For further information on CSA services, write to Canadian Standards Association 5060 Spectrum Way, Suite 100 Mississauga, Ontario, L4W 5N6 Canada The Standards Council of Canada is the coordinating body of the National Standards system, a federation of independen

13、t, autonomous organizations working towards the further development and improvement of voluntary standardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, saf

14、ety, and welfare of the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one whi

15、ch reflects a reasonable agreement among the views of a number of capable individuals whose collective interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It

16、 normally is a standard which is capable of making a significant and timely contribution to the national interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does n

17、ot refer to the technical content of the standard; this remains the continuing responsibility of the accredited standards-development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodi

18、c review; therefore, users are cautioned to obtain the latest edition from the organization preparing the standard. The responsibility for approving National Standards of Canada rests with the Standards Council of Canada 270 Albert Street, Suite 200 Ottawa, Ontario, K1P 6N7 Canada Cette Norme nation

19、ale du Canada est offerte en anglais et en franais. Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users to judge its suitability for their particular purpose. Registered trade-mark of Canadian Stan

20、dards Association Commitment for Amendments This Standard is issued jointly by the National Association of Standardization and Certification of the Electrical Sector (ANCE), CSA International, and Underwriters Laboratories Incorporated (UL). Amendments to this Standard will be made only after proces

21、sing according to the Standards writing procedures by ANCE, CSA, and UL. Revisions of this Standard will be made by issuing revised or additional pages bearing their date of issue. A UL Standard is current only if it incorporates the most recently adopted revisions, all of which are itemized on the

22、transmittal notice that accompanies the latest set of revised requirements. Copyright 2000 ANCE Rights reserved in favor of ANCE ISBN 1-55324-256-4 Copyright 2000 Canadian Standards Association All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prio

23、r permission of the publisher. ISBN 0-7629-0566-2 Copyright 1996, 2000 Underwriters Laboratories Inc. (Copyright page replaced November 2004) General Instruction No. 1C22.2 No. 248.16-00August 2000Title: Low-Voltage Fuses Part 16: Test LimitersPagination: 14 pages, each dated August 2000To register

24、for e-mail notification about any updates to this publicationgo to shop.csa.caclick on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2011339.If you require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy

25、 on privacy at csagroup.org/legal to find out how we protect your personal information.Low-Voltage Fuses Part 16: Test LimitersAugust 1, 2000CSA InternationalCSA C22.2 No. 248.16-00Second EditionUnderwriters LaboratoriesInc.UL 248-16Second EditionNational Association ofStandardization andCertificati

26、on of the ElectricalSectorNMX-J-009/248/16-2000-ANCEFirst EditionCommitment for AmendmentsThis Standard is issued jointly by the National Association of Standardization andCertification of the Electrical Sector (ANCE), CSA International, and UnderwritersLaboratories Incorporated (UL). Amendments to

27、this Standard will be made onlyafter processing according to the Standards writing procedures by ANCE, CSA,and UL.Revisions of this Standard will be made by issuing revised or additional pagesbearing their date of issue. A UL Standard is current only if it incorporates themost recently adopted revis

28、ions, all of which are itemized on the transmittal noticethat accompanies the latest set of revised requirements.Copyright 2000ANCERights reserved in favorof ANCEISBN 1-55324-256-4Copyright 2000CSA InternationalAll rights reserved. Nopart of this publicationmay be reproduced inany form whatsoeverwit

29、hout the priorpermission of thepublisher.ISBN 0-7629-0566-2Copyright 1996,2000UnderwritersLaboratories Inc.CONTENTSPreface .4Foreword (ANCE) .5Foreword (CSA) .6Foreword (UL) 81 General 91.1 Scope .94 Classification .95 Characteristics 95.2 Voltage rating 95.3 Current rating 95.5 Interrupting rating

30、.95.6 Peak let-through current and clearing I2t characteristics 105.7 Test current rating .106 Marking .106.1 Marking of fuses 107 Construction .107.1 Dimensions .108 Tests .108.4 Verification of operation at rated voltage .108.5 Verification of peak let-through current and clearing I2t characterist

31、ics .11AUGUST 1, 2000 NMX-J-009/248/16-2000-ANCE CSA C22.2 NO. 248.16-00 UL 248-16 33A NMX-J-009/248/16-2000-ANCE currency1 CSA C22.2 NO. 248-16-00 currency1 UL 248-16 AUGUST 1, 2000No Text on This PagePrefaceThis is the common UL, CSA, and ANCE Standard for Low-Voltage Fuses Part 16: Test Limiters.

32、 Thisis the second edition of CSA C22.2 No. 248.16-00 (superseding the first edition, published in 1996), thesecond edition of UL 248-16, and the first edition of NMX-J-009/248/16-2000-ANCE.This Standard was prepared by a Technical Harmonization Committee comprised of members fromUnderwriters Labora

33、tories, CSA International, the National Association of Standardization andCertification of the Electrical Sector, the end product manufacturers, and material suppliers. The effortsand support of the members of the Technical Harmonization Committee are gratefully acknowledged.This Standard was review

34、ed by the CSA Subcommittee on Fuses and approved by the TechnicalCommittee on Industrial Products under the jurisdiction of the CSA Strategic Resource Group.This Standard will be submitted to the American National Standards Institute (ANSI) for publication as anAmerican National Standard.Note: Altho

35、ugh the intended primary application of this Standard is stated in its Scope, it is important to note that it remains theresponsibility of the users of the Standard to judge its suitability for their particular purpose.Level of HarmonizationThis trinational standard is published as an Identical Stan

36、dard. An identical standard is a standard that isthe same in technical content except for conflicts in Codes and Governmental Regulations. Presentationis word for word except for editorial changes.InterpretationsThe interpretation by the SDO (Standards Development Organization) of an identical stand

37、ard shall bebased on the literal text to determine compliance with the standard in accordance with the proceduralrules of the SDO. If more than one interpretation of the literal text has been identified, a revision shall beproposed as soon as possible to each of the SDOs to more accurately reflect t

38、he intent.UL Effective DateThis edition of the standard is now in effect.CSA Effective DateThe effective date for CSA will be announced through CSA Informs or CSA Certification Notice.ANCE Effective DateThe effective date for ANCE will be announced through the Diario Oficial de la Federation (Offici

39、alGazette) and is indicated on the cover page.AUGUST 1, 2000NMX-J-009/248/16-2000-ANCE CSA C22.2 NO. 248.16-00 UL 248-1644A NMX-J-009/248/16-2000-ANCE currency1 CSA C22.2 NO. 248-16-00 currency1 UL 248-16 AUGUST 1, 2000No Text on This PageForeword (ANCE)The Present Mexican Standard was developed by

40、the Low Voltage Fuses Subcommittee from the Comitede Normalizacion de la Asociacion Nacional de Normalizacion y Certificacion del Sector Electrico, A.C.,CONANCE, with the collaboration of the fuse manufacturers and users.ANCE is a National Organization for Standardization (ONN) registered by the DGN

41、 (Direccin General deNormas) in the electrical sector and household appliances which developes Mexican Standards (NMX)and collaborates in the development of the Mexican Official Standards (NOM), voluntary and mandatorystandards, respectively.The conformity assessment in accordance with ANCE Mexican

42、Standards is responsibility of ANCECertification Products Division.The ANCE Certification Products Division is accredited by the EMA (Entidad Mexicana de Acreditacin)in order to certificate a variety of products. The certification is carry out following the correspondingprocedures established and de

43、veloped by the Technical Committee of Certification in connection with thetest reports performed in test labs accredited by the EMA.The conformity assessment activities developed by ANCE cover quality systems, test lab and verificationproducts.AUGUST 1, 2000 NMX-J-009/248/16-2000-ANCE CSA C22.2 NO.

44、248.16-00 UL 248-16 55A NMX-J-009/248/16-2000-ANCE currency1 CSA C22.2 NO. 248-16-00 currency1 UL 248-16 AUGUST 1, 2000No Text on This PageForeword (CSA)The Canadian Standards Association, which operates under the name CSA International (CSA), providescertification services for manufacturers who, un

45、der license from CSA, wish to use the appropriateregistered CSA Marks on certain products of their manufacture to indicate conformity with CSA Standards.CSA Certification for a number of products is provided in the interest of maintaining agreed-uponstandards of quality, performance, interchangeabil

46、ity and/or safety, as appropriate. Where applicable,certification may form the basis for acceptance by inspection authorities responsible for enforcement ofregulations. Where feasible, programs will be developed for additional products for which certification isdesired by producers, consumers or oth

47、er interests.In performing its functions in accordance with its objectives, CSA does not assume or undertake todischarge any responsibility of the manufacturer or any other party. The opinions and findings of theAssociation represent its professional judgement given with due consideration to the nec

48、essary limitationsof practical operation and state of the art at the time the Standard is processed.Products in substantial accord with this Standard but which exhibit a minor difference or a new featuremay be deemed to meet the Standard providing the feature or difference is found acceptable utiliz

49、ingappropriate CSA Certification and Testing Division Operating Procedures. Products which comply with thisStandard shall not be certified if they are found to have additional features which are inconsistent with theintent of this Standard. Products shall not be certifiable if they are discovered to contravene applicablelaws or regulations.Testing techniques, test procedures and instrumentation frequently must be prescribed by the CSACertification and Testing Division in addition to the technical requirements cont