ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf

上传人:赵齐羽 文档编号:439216 上传时间:2018-11-14 格式:PDF 页数:14 大小:634.34KB
下载 相关 举报
ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf_第1页
第1页 / 共14页
ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf_第2页
第2页 / 共14页
ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf_第3页
第3页 / 共14页
ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf_第4页
第4页 / 共14页
ANSI UL 4248-9-2007 UL Standard for Safety Fuseholders C Part 9 Class K (First Edition Reprint with Revisions Through and Including April 4 2018)《熔断器支架安全标准.第9部分 K类》.pdf_第5页
第5页 / 共14页
亲,该文档总共14页,到这儿已超出免费预览范围,如果喜欢就下载吧!
资源描述

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 4248-9 Fuseholders Part 9: Class KUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

2、 REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Fuseholders Part 9: Class K, UL 4248-9 First Edition, Dated February 28, 2007 Summary of Topics This revision to ANSI/UL 4248-9 is being issued to update the UL approval date per a UL Standards reaffirmation of ANSI/

3、UL 4248-9, NMX-J-009/4248/9-ANCE, and CSA C22.2 No. 4248.9-07. 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 part of this publication may be reproduced, stored in a retrieval system, or t

4、ransmitted 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, including but not limited to, the implied warranties of merchantability or tnes

5、s 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 the inability to use this Standard, even if UL or an authorized UL represen

6、tative 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 ULs Standards for Safety agree to defend, indemnify, and hold UL harmless f

7、rom 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 purchasers computer system. The requirements in this Standard are now in effect, ex

8、cept 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 future effective date are located after the Standard, and are preceded by a SUPE

9、RSEDED REQUIREMENTS notice. DECEMBER 21, 2012 UL 4248-9 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 21, 2012 UL 4248-9 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WI

10、THOUT PERMISSION FROM UL Association of Standardization and Certication NMX-J-009/4248/9-ANCE First Edition CSA Group CSA C22.2 No. 4248.9-07 First Edition Underwriters Laboratories Inc. UL 4248-9 First Edition Fuseholders Part 9: Class K February 28, 2007 (Title Page Reprinted: December 21, 2012) A

11、NSI/UL 4248-9-2007 (R2012)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the Association of Standardization and Certication (ANCE), the Canadian Standards Association (operating a

12、s “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. Revisions to this standard will be made only after processing according to the standards development procedures of ANCE, CS

13、A 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 same revisions into a new edition of the standard bearing the same date of issue as the CSA Group and UL pages. Copy

14、right 2007 ANCE Rights reserved in favor of ANCE. ISBN 1-55436-046-3 2007 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. To purchase the CSA Group Standards and related publications, visit CSA Groups

15、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 appropriate committee. To submit a proposal for change, please send the following information to inquirescsagroup.org and

16、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 change. Copyright 2012 Underwriters Laboratories Inc. To purchase UL Standards, visit COMM 2000 at http:/m- or call toll

17、 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 4248-9 as a Reaffirmed American National Standard (ANS) occurred on December 21, 2012. ANSI approval for a standard does not include

18、 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. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) a

19、t 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, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL.UL COPYRIGHTED MATE

20、RIAL 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 of characteristics 6 7 Construction 6 7.6 Contacts of a cartridge fuseholder 6 8 Tests 9 8.1 General .9 8.4 Vericatio

21、n of temperature rise .9 FEBRUARY 28, 2007 NMX-J-009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the common ANCE, CSA Group, and UL standard for Fuseholders Part 9: Class K.

22、It is the rst edition of NMX-J-009/4248/9-ANCE, the rst edition of CSA C22.2 No. 4248-9, and the rst edition of UL 4248-9. This common standard was prepared by the Association of Standardization and Certication (ANCE), CSA Group, and Underwriters Laboratories Inc. (UL). The efforts and support of th

23、e CANENA Technical Harmonization Subcommittee 32B Fuseholders are gratefully appreciated. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. This standard was reviewed by the CSA Subcommittee on Low voltage fuses, under the jurisdiction of

24、 the CSA Technical Committee on Industrial Products and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard will be submitted to the Standards Council of Canada for approval as a National Standard of

25、 Canada. This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard. A UL standard is current only if it incorporates the most recently adopted revisions, all of which are itemized on the transmittal notice that accompanies the latest set of

26、revised requirements. Where reference is made to a specic number of samples to be tested, the specied number shall be considered a minimum quantity. Note: Although the intended primary application of this standard is stated in its scope, it is important to note that it remains the responsibility of

27、the users of the standard to judge its suitability for their particular purpose. Level of harmonization This standard is published as an identical standard for ANCE, CSA Group, and UL. An identical standard is a standard that is exactly the same in technical content except for national differences r

28、esulting from conicts in codes and governmental regulations. Presentation is word for word except for editorial changes. Interpretations The interpretation by the standards development organization of an identical or equivalent standard is based on the literal text to determine compliance with the s

29、tandard in accordance with the procedural rules of the standards development organization. If more than one interpretation of the literal text has been identied, a revision is to be proposed as soon as possible to each of the standards development organizations to more accurately reect the intent. A

30、NCE effective date The effective date for ANCE will be announced through the Diario Ocial de Ia Federacin (Official Gazette) and is indicated on the cover page. DECEMBER 21, 2012 NMX-J-009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION

31、OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group effective date The effective date for CSA Group will be announced through CSA Informs or a CSA Group certication notice. UL effective date As of November 2, 2009 all products Listed or Recognized by UL must comply with the requirements in this sta

32、ndard. Between February 28, 2007 and November 2, 2009, new product submittals to UL may be evaluated under all requirements in this standard or, if requested in writing, evaluated under presently effective requirements only. The presently effective requirements are contained in the 10 th edition of

33、UL 512. A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. DECEMBER 21, 2012 NMX-J-009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSIO

34、N FROM UL Fuseholders Part 9: Class K 1 General This Part is intended to be read together with the Standard for Fuseholders Part 1: General Requirements, hereafter referred to as Part 1. The numbering of the Clauses in this Part correspond to like numbered Clauses in Part 1. The requirements of Part

35、 1 apply unless modied by this Part. For Clauses not shown below, refer to the Standard for Fuseholders Part 1: General Requirements, NMX-J-009-4248-ANCE CSA C22.2 No. 4248.1 UL 4248-1. 1.1 Scope 1.1.2 These requirements cover fuseholders intended for use with Class K Fuses as described in NMX-J-009

36、/248/9-2000-ANCE, CSA C22.2 No. 248.9, UL 248-9, Low-Voltage Fuses Part 9: Class K Fuses. 4 Classication 4.1 Class K fuseholders have a minimum short-circuit withstand rating of 50,000 A. Class K fuseholders are rated 250 V or 600 V, and are divided into six body sizes in each voltage rating corresp

37、onding to the Class K fuse body sizes. 5 Characteristics 5.1 Summary of characteristics 5.1.3 Voltage and current rating 5.1.3.1 Class K fuseholders shall be rated 250 V or 600 V. 5.1.3.2 Class K fuseholders shall be rated 30, 60, 100, 200, 400, or 600 A. 5.1.4 Withstand rating 5.1.4.1 Class K fuseh

38、olders shall have a minimum short-circuit withstand rating of a 10,000 A. 7 Construction 7.6 Contacts of a cartridge fuseholder 7.6.1 The dimensions of a Class K fuseholder, shall be as specied in Figure 7.6A or 7.6B, whichever is applicable. This is generated text for gtxt. FEBRUARY 28, 2007 NMX-J-

39、009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Figure 7.6A Class K fuseholder Ferrule-contact type Tabs shown are a typical end-stop conguration. Class of fuse Potential rating of fuse, vol

40、ts Current rating of fuse, amperes Dimensions, mm (in) BCDE G Distance a between contact clips Minimum width of contact clip Diameter of ferrule Thickness of blade Distance between end stops Minimum Maximum K 250 30 25.4 (1.0) 12.7 (0.5) 14.27 (0.562) 51.59 (2.031) 53.97 (2.125) 60 44.45 (0.750) 15.

41、88 (0.625) 20.62 (0.812) 76.99 (3.031) 79.38 (3.125) 100 101.6 (4.0) 22.22 (0.875) 3.18 (0.125) 200 114.3 (4.5) 31.75 (1.250) 4.75 (0.187) 400 127.0 (5.0) 44.45 (1.750) 6.35 (0.250) 600 152.4 (6.0) 53.97 (2.125) 6.35 (0.250) 600 30 101.6 (4.0) 12.7 (0.5) 20.62 (0.812) 127.79 (5.031) 130.17 (5.125) 6

42、0 107.95 (4.250) 15.88 (0.625) 26.97 (1.062) 140.49 (5.031) 142.88 (5.625) 100 152.4 (6.0) 22.23 (0.785) 3.18 (0.125) 200 177.8 (7.0) 31.75 (1.250) 4.75 (0.187) 400 203.2 (8.0) 44.45 (1.750) 6.35 (0.250) 600 228.6 (9.0) 53.97 (2.125) 6.35 (0.250) a Tolerances for the B dimensions are: 60 A or less:

43、plus 0.79 mm (0.031 in) and minus 1.57 mm (0.062 in); 100 and 200 amperes: plus 1.57 mm (0.062 in) and minus 0.79 mm (0.031 in); 400 and 600 amperes: plus 2.36 mm (0.093 in). FEBRUARY 28, 2007 NMX-J-009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

44、 REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Figure 7.6B Class K fuseholder Knife-blade type Class of fuse Potential rating of fuse, volts Current rating of fuse, amperes Dimensions, mm (in) BCDE G Distance a between contact clips Minimum width of contact clip Diameter of ferrule Thickne

45、ss of blade Distance between end stops Minimum Maximum K 250 30 25.4 (1.0) 12.7 (0.5) 14.27 (0.562) 51.59 (2.031) 53.97 (2.125) 60 44.45 (0.750) 15.88 (0.625) 20.62 (0.812) 76.99 (3.031) 79.38 (3.125) 100 101.6 (4.0) 22.22 (0.875) 3.18 (0.125) 200 114.3 (4.5) 31.75 (1.250) 4.75 (0.187) 400 127.0 (5.

46、0) 44.45 (1.750) 6.35 (0.250) 600 152.4 (6.0) 53.97 (2.125) 6.35 (0.250) 600 30 101.6 (4.0) 12.7 (0.5) 20.62 (0.812) 127.79 (5.031) 130.17 (5.125) 60 107.95 (4.250) 15.88 (0.625) 26.97 (1.062) 140.49 (5.031) 142.88 (5.625) 100 152.4 (6.0) 22.23 (0.785) 3.18 (0.125) 200 177.8 (7.0) 31.75 (1.250) 4.75

47、 (0.187) 400 203.2 (8.0) 44.45 (1.750) 6.35 (0.250) 600 228.6 (9.0) 53.97 (2.125) 6.35 (0.250) a Tolerances for the B dimensions are: 60 A or less: plus 0.79 mm (0.031 in) and minus 1.57 mm (0.062 in); 100 and 200 amperes: plus 1.57 mm (0.062 in) and minus 0.79 mm (0.031 in); 400 and 600 amperes: pl

48、us 2.36 mm (0.093 in). FEBRUARY 28, 2007 NMX-J-009/4248/9-ANCE CSA C22.2 NO. 4248.9-07 UL 4248-9 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8 Tests 8.1 General 8.1.1 Types of tests 8.1.1.1.1 Each fuseholder shall be subjected to the te

49、sts as specied in Part 1. 8.4 Verication of temperature rise 8.4.3 Test method 8.4.3.1 With dummy fuses in place and carrying rated current continuously, the temperature on a material or component or electrical insulation shall not exceed the values in Table 8.4B. 8.4.3.2 Dummy fuses shall be unplated copper and shall conform to t

展开阅读全文
相关资源
  • ANSI Z97 1-2009 American National Standard for Safety Glazing Materials used in Buildings - Safety Performance Specifications and Methods of Test《建筑物中窗用玻璃材料安全性用.pdfANSI Z97 1-2009 American National Standard for Safety Glazing Materials used in Buildings - Safety Performance Specifications and Methods of Test《建筑物中窗用玻璃材料安全性用.pdf
  • ANSI Z97 1 ERTA-2010 Re ANSI Z97 1 - 2009 Errata《修订版 美国国家标准学会Z97 1-2009标准的勘误表》.pdfANSI Z97 1 ERTA-2010 Re ANSI Z97 1 - 2009 Errata《修订版 美国国家标准学会Z97 1-2009标准的勘误表》.pdf
  • ANSI Z21 40 2a-1997 Gas-Fired Work Activated Air-Conditioning and Heat Pump Appliances (Same as CGA 2 92a)《燃气、工作激活空气调节和热泵器具(同 CGA 2 92a)》.pdfANSI Z21 40 2a-1997 Gas-Fired Work Activated Air-Conditioning and Heat Pump Appliances (Same as CGA 2 92a)《燃气、工作激活空气调节和热泵器具(同 CGA 2 92a)》.pdf
  • ANSI Z124 9-2004 American National Standard for Plastic Urinal Fixtures《塑料小便器用美国国家标准》.pdfANSI Z124 9-2004 American National Standard for Plastic Urinal Fixtures《塑料小便器用美国国家标准》.pdf
  • ANSI Z124 4-2006 American National Standard for Plastic Water Closet Bowls and Tanks《塑料抽水马桶和水箱用美国国家标准》.pdfANSI Z124 4-2006 American National Standard for Plastic Water Closet Bowls and Tanks《塑料抽水马桶和水箱用美国国家标准》.pdf
  • ANSI Z124 3-2005 American National Standard for Plastic Lavatories《塑料洗脸盆用美国国家标准》.pdfANSI Z124 3-2005 American National Standard for Plastic Lavatories《塑料洗脸盆用美国国家标准》.pdf
  • ANSI T1 659-1996 Telecommunications - Mobility Management Application Protocol (MMAP) RCF-RACF Operations《电信 可移动管理应用协议(MMAP) RCF-RACF操作》.pdfANSI T1 659-1996 Telecommunications - Mobility Management Application Protocol (MMAP) RCF-RACF Operations《电信 可移动管理应用协议(MMAP) RCF-RACF操作》.pdf
  • ANSI T1 651-1996 Telecommunications – Mobility Management Application Protocol (MMAP)《电信 可移动性管理应用协议》.pdfANSI T1 651-1996 Telecommunications – Mobility Management Application Protocol (MMAP)《电信 可移动性管理应用协议》.pdf
  • ANSI T1 609-1999 Interworking between the ISDN User-Network Interface Protocol and the Signalling System Number 7 ISDN User Part《电信 ISDN用户间网络接口协议和7号信令系统ISDN用户部分.pdfANSI T1 609-1999 Interworking between the ISDN User-Network Interface Protocol and the Signalling System Number 7 ISDN User Part《电信 ISDN用户间网络接口协议和7号信令系统ISDN用户部分.pdf
  • ANSI T1 605-1991 Integrated Services Digital Network (ISDN) - Basic Access Interface for S and T Reference Points (Layer 1 Specification)《综合服务数字网络(ISDN) S和T基准点的.pdfANSI T1 605-1991 Integrated Services Digital Network (ISDN) - Basic Access Interface for S and T Reference Points (Layer 1 Specification)《综合服务数字网络(ISDN) S和T基准点的.pdf
  • 猜你喜欢
    相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > ANSI

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1