UL 4248-11-2007 UL Standard for Safety Fuseholders - Part 11 Type C (Edison Base) and Type S Plug Fuse (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器_1.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 4248-11 Fuseholders Part 11: Type C (Edison Base) and Type S Plug FuseUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED
2、 MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Fuseholders Part 11: Type C (Edison Base) and Type S Plug Fuse, UL 4248-11 First Edition, Dated February 28, 2007 Summary of Topics This revision to ANSI/UL 4248-11 is being issued
3、 to update the UL approval date per a UL Standards reaffirmation of ANSI/UL 4248-11, NMX-J-009/4248/11-ANCE, and CSA C22.2 No. 4248.11-07. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. All rights reserved. No pa
4、rt of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, inc
5、luding but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or
6、 the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of
7、 ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchas
8、ers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the preface. The prior text for requirements that have been revised and that have a futu
9、re effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. DECEMBER 21, 2012 UL 4248-11 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 21, 2012 UL 4248-11 tr2 No Text on This PageUL C
10、OPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Association of Standardization and Certication NMX-J-009/4248/11-ANCE First Edition CSA Group CSA C22.2 No. 4248.11-07 First Edition Underwriters Laboratories Inc. UL 4248-11 First Edition Fusehold
11、ers Part 11: Type C (Edison Base) and Type S Plug Fuse February 28, 2007 (Title Page Reprinted: December 21, 2012) ANSI/UL 4248-11-2007 (R2012)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued
12、jointly by the Association of Standardization and Certication (ANCE), the Canadian 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, CSA Group, or UL at any time. Revisi
13、ons to this standard will be made only after processing according to the standards development procedures of ANCE, CSA Group, and UL. CSA Group and UL will issue revisions to this standard by means of a new edition or revised or additional pages bearing their date of issue. ANCE will incorporate the
14、 same revisions into a new edition of the standard bearing the same date of issue as the CSA Group and UL pages. Copyright 2007 ANCE Rights reserved in favor of ANCE. ISBN 1-55436-047-1 2007 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without t
15、he prior permission of the publisher. To purchase the CSA Group Standards and related publications, visit CSA Groups Online Store at shop.csa.ca or call toll-free 18004636727 or 4167474044. This Standard is subject to periodic review, and suggestions for its improvement will be referred to the appro
16、priate committee. To submit a proposal for change, please send the following information to inquirescsagroup.org and include “Proposal for change” in the subject line: Standard designation (number); relevant clause, table, and/or gure number; wording of the proposed change; and rationale for the cha
17、nge. Copyright 2012 Underwriters Laboratories Inc. To purchase UL Standards, visit COMM 2000 at http:/m- or call toll free 18888533503. This ANSI/UL Standard for Safety consists of the First Edition including revisions through December 21, 2012. The most recent designation of ANSI/UL 4248-11 as a Re
18、affirmed American National Standard (ANS) occurred on December 21, 2012. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page (front and back), or the Preface. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. P
19、roposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, o
20、wnerships, and rights regarding those Standards shall remain the sole and exclusive property of UL.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .4 1 General 6 1.1 Scope .6 4 Classication .6 5 Characteristics 6 5.1 Summary
21、 of characteristics 6 6 Marking 7 6.1 Marking of fuseholder .7 7 Construction 7 7.4 Current-carrying parts .7 7.6 Contacts of a cartridge fuseholder 8 7.7 Creepage and clearance 9 7.8A Type S plug fuseholders and adapters 10 8 Tests .18 8.1 General 18 8.4 Verication of temperature rise 18 8.6A Veric
22、ation of contactrejection member effectiveness 21 8.7A Verication of screw shell secureness 21 FEBRUARY 28, 2007 NMX-J-009/4248/11-ANCE CSA C22.2 NO. 4248.11-07 UL 4248-11 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the
23、common ANCE, CSA Group, and UL standard for Fuseholders Part 11: Type C (Edison Base) and Type S Plug Fuse. It is the rst edition of NMX-J-009/4248/11-ANCE, the rst edition of CSA C22.2 No. 4248-11, and the rst edition of UL 4248-11. This common standard was prepared by the Association of Standardiz
24、ation and Certication (ANCE), CSA Group, and Underwriters Laboratories Inc. (UL). The efforts and support of the CANENA Technical Harmonization Subcommittee 32B Fuseholders are gratefully appreciated. This standard is considered suitable for use for conformity assessment within the stated scope of t
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