ANSI CSA C22.2 NO.4248.19-15-2015 Fuseholders - Part 19 Photovoltaic fuseholders (First Edition).pdf

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1、C22.2 No. 4248.19-15Fuseholders Part 19: Photovoltaic fuseholdersLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together voluntee

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18、gal Notice.Standards Update ServiceC22.2 No. 4248.19-15November 2015Title: Fuseholders Part 19: Photovoltaic fuseholdersTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to thi

19、s publication is 2423 255.If you require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.Association of Standardization and CertificationNMX-J-009/4248/19-ANCEFirs

20、t EditionCSA GroupCSA C22.2 No. 4248.19First EditionUnderwriters Laboratories Inc.UL 4248-19First EditionFuseholders Part 19: Photovoltaic FuseholdersNovember 13, 2015ANSI/UL 4248-19-2015Commitment for AmendmentsThis standard is issued jointly by the Association of Standardization and Certification

21、(ANCE), theCanadian Standards Association (operating as “CSA Group”), and Underwriters Laboratories Inc. (UL).Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSAGroup, or UL at anytime. Revisions to this standard will be made only after processing according

22、to thestandards development procedures of ANCE, CSA Group, and UL. CSA Group and UL will issuerevisions to this standard by means of a new edition or revised or additional pages bearing their dateof issue. ANCE will incorporate the same revisions into a new edition of the standard bearing the sameda

23、te of issue as the CSA Group and UL pages.Copyright 2015Rights reserved in favor of ANCE.ISBN 978-1-77139-678-3 2015 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.This Standard is subject to periodic re

24、view, and suggestions for its improvement will be referred to theappropriate committee. To submit a proposal for change, please send the following information toinquirescsagroup.org and include Proposal for change in the subject line: Standard designation(number); relevant clause, table, and/or figu

25、re number; wording of the proposed change; and rationalefor the change.To purchase CSA Group Standards and related publications, visit CSA Groups Online Store atshop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044.Copyright 2015 Underwriters Laboratories Inc.ULs Standards for Safety are copy

26、righted 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 regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the First Edition.

27、The most recent designation of ANSI/UL4248-19 as an American National Standard (ANSI) occurred on November 13, 2015. ANSI approval fora standard does not include the Cover Page, Transmittal Pages, Title Page (front and back), or thePreface.Comments or proposals for revisions on any part of the Stand

28、ard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase UL Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPREFACE 41 Scope .52 General 53 Characteri

29、stics 53.1 Classification .53.2 Voltage and current rating .53.3 Withstand rating 54 Markings .55 Construction 66 Tests 66.1 Verification of temperature rise .6NOVEMBER 13, 2015 NMX-J-009/4248/19-ANCE CSA C22.2 NO. 4248.19 UL 4248-19 3PREFACEThis is the harmonized ANCE, CSA Group, and UL standard fo

30、r Fuseholders Part 19: Photovoltaic Fuseholders. It is the first edition of NMX-J-009/4248/19-ANCE, the first edition of C22.2 No 4248.19, and the first edition of UL 4248-19.This harmonized standard was prepared by the Association of Standardization and Certification, (ANCE),CSA Group and Underwrit

31、ers Laboratories Inc. (UL). The efforts and support of the TechnicalHarmonization Subcommittee, 32B, Fuses, Fuseholders , on the Harmonization of ElectrotechnicalStandards of the Nations of the Americas (CANENA), are gratefully acknowledged.The present Mexican standard was developed by the CT 32 “Fu

32、sibles” from the Comite de Normalizacionde la Asociacion de Normalizacion y Certificacion, A.C., CONANCE, with the collaboration of themanufacturers and users of fuseholders.This standard was reviewed by the CSA Subcommittee on Fuses and Fuseholders, under the jurisdictionof the CSA Technical Commit

33、tee on Industrial Products and the CSA Strategic Steering Committee onrequirements for Electrical Safety, and has been formally approved by the CSA Technical Committee.This standard has been approved by the American National Standards Institute (ANSI) as an AmericanNational Standard.Application of S

34、tandardWhere reference is made to a specific number of samples to be tested, the specified number is to beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important to note thatit remains the responsibility of the users of t

35、he standard to judge its suitability for their particular purpose.InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance with the standard in accordance with the proceduralrules of the sta

36、ndards 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 the intent.NOVEMBER 13, 2015NMX-J-009/4248/19-ANCE CSA C22.2 NO. 4248

37、.19 UL 4248-194Fuseholders Part 19: Photovoltaic Fuseholders1 Scope1.1 This Part applies to Fuseholders for Photovoltaic (PV) Systems rated to 1500 Vdc.1.2 This Part applies to PV fuseholders that accommodate PV fuses as described in the Standard forPhotovoltaic Fuses, CSA C22.2 No. 248-19 / UL 248-

38、19 to be employed in Photovoltaic (PV) systems andthat are intended to be used in accordance with the Canadian Electrical Code, Part I, and NationalElectrical Code.1.3 Fuseholders that meet another Part shall also comply with those requirements of that Part.2 General2.1 This Part is intended to be r

39、ead together with the Standard for Low-Voltage Fuseholders Part 1:General Requirements, NMX-J-009/4248/1-ANCE CAN/CSA C22.2 No. 4248.1 UL 4248-1 hereafterreferred to as Part 1. The requirements of Part 1 apply unless modified by this Part.2.2 For products intended for use in Canada, general requirem

40、ents are given in CAN/CSA-C22.2 No. 0,General Requirements Canadian Electrical Code, Part II.3 Characteristics3.1 Classification3.1.1 Fuseholders for use with photovoltaic (PV) fuses shall have a minimum short-circuit withstand ratingof 10 kA and shall be rated 1,500 Vdc maximum.3.2 Voltage and curr

41、ent rating3.2.1 Fuseholders for use with photovoltaic (PV) fuses may be rated 1500 Vdc maximum, and thepreferred ratings are 600 V, 750 V, 1,000 V, 1,250 V, and 1,500 V.3.3 Withstand rating3.3.1 Fuseholders for use with photovoltaic (PV) fuses shall have a minimum short-circuit withstand ratingof 10

42、 kA.4 Markings4.1 Fuseholders for use with photovoltaic (PV) fuses shall be marked in accordance with Part 1. In theUnited States, the French markings are not required.4.2 The information on a fuseholder shall be legible and include the following:a) Use Photovoltaic (PV) Fuses” or equivalent and Uti

43、liser des fusibles photovoltaques orthe equivalent;b) “Line” and “Load” for panel mount and in-line fuseholders and Secteur et Charge;NOVEMBER 13, 2015 NMX-J-009/4248/19-ANCE CSA C22.2 NO. 4248.19 UL 4248-19 5c) DO NOT OPEN or REMOVE UNDER LOAD or equivalent and NE PAS UTILISER SOUSCHARGE or the equ

44、ivalent (intended for modular design photovoltaic (PV) fuseholders suchthat the fuse is inserted or removed by use of a carrier); andd) Do Not Connect or Disconnect under Load or equivalent and NE PAS BRANCHER OUDBRANCHER SOUS CHARGE or the equivalent (intended for photovoltaic (PV) fuseholdersthat

45、include a wire connector feature).4.3 PV Fuseholders employing an integral, non-user replaceable fuse need not bear the markingsspecified in 4.2 (a) (d).5 Construction5.1 In addition to the requirements of Part 1, in-line photovoltaic fuseholders that include a wire connectorfeature or are intended

46、for unprotected outdoor use shall comply with the requirements of the StandardFor Connectors for use In Photovoltaic Systems, UL 6703, or CSA TIL A-36, Interim CertificationRequirements for Connectors Intended for Use in Photovoltaic Systems.6 Tests6.1 Verification of temperature rise6.1.1 Test meth

47、od6.1.1.1 If the fuse and fuseholder form an integral device intended to be replaced as a unit, then theactual fuse, not a dummy fuse, may be used in testing. If the actual fuse is used, the applicabletemperature limits shall be the limits specified in Table 1 plus 20C.6.1.1.2 The temperatures speci

48、fied in Table 1 are based on an assumed ambient temperature of 25C(77F). A test may be conducted at an ambient temperature within the range of 20 40C (68 104F).6.1.1.3 If a test is conducted at an ambient temperature other than 25C (77F), an observed temperatureshall be corrected as described in 6.1

49、.1.4. No corrected temperature shall exceed the required valuespecified in Table 1.6.1.1.4 An observed temperature shall be corrected by addition if the ambient temperature is lower than25C (77F) or subtraction (if the ambient temperature is higher than 25C) of the difference between25C and the ambient temperature.6.1.1.5 If a corrected temperature exceeds the required value specified in Table 1, at the request of themanufacturer, the test may be r