CSA C22.2 No. 248.11:11

(reaffirmed 2020)

Low-voltage fuses — Part 11: Plug fuses

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  Standards Update Service

  CSA C22.2 No. 248.11:11 May 2011

  
  

  Title: Low-voltage fuses — Part 11: Plug fuses

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Association of Standardization and Certification NMX-J-009/248/11-ANCE

Second Edition

Canadian Standards Association CSA C22.2 No. 248.11-11

Third Edition

Underwriters Laboratories Inc. UL 248-11

Third Edition

Low-Voltage Fuses – Part 11: Plug Fuses

May 13, 2011

ANSI/UL 248-11-2011

Commitment for Amendments

This standard is issued jointly by the Association of Standardization and Certification (ANCE), the Canadian Standards Association (CSA), and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSA, or UL at anytime. Revisions to this standard will be made only after processing according to the standards development procedures of ANCE, CSA, and UL. CSA 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 and UL pages.

Copyright © 2011

Rights reserved in favor of ANCE.

ISBN 978-1-55491-641-2 © 2011 Canadian Standards Association

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Technical Committee on Industrial Products

K. Powell Criterions,

Glen Williams, Ontario

Chair

Representing Manufacturers

P. McDonald Alberta Municipal Affairs, Edmonton, Alberta

Representing Regulatory Authorities

Vice Chair

D. Stefancic Canadian Standards Association, Mississauga, Ontario

Project Manager

Representing Regulatory Authorities

D. Badry Government of the Yukon,

Whitehorse, Yukon

D.R.A. MacLeod Nova Scotia Department of Environment

and Labour, Halifax, Nova Scotia

T. Olechna Electrical Safety Authority, Mississauga, Ontario

Representing Manufacturers

R.M. Bartholomew Electric Power Equipment Limited,

Vancouver, British Columbia

W.K. Jones Eaton,

Burlington, Ontario

M. Smith Rockwell Automation Canada Inc., Cambridge, Ontario

Representing General Interests

1. Kasumovich Mississauga, Ontario

   
   

2. Mancini Mississauga, Ontario

D.G. Morlidge Fluor Canada Ltd., Calgary, Alberta

A.Z. Tsisserev Stantec Consulting, Vancouver, British Columbia

Subcommittee on Fuses and Fuseholders

1. Thwaites Mersen Canada Toronto Inc., Toronto, Ontario

   
   

   Chair

   
   

2. B. Giblin Cooper Bussmann, Inc., St. Louis, Missouri, USA

D. J. Heron Electrical Safety Authority, Sudbury, Ontario

F. G. Ladonne Underwriters Laboratories Inc.,

Northbrook, Illinois, USA

R. MacKenzie CSA International, Toronto, Ontario

R. McBrien Bel Fuse Inc.,

Baiting Hollow, New York, USA

G. Montminy Régie du bâtiment du Québec, Québec, Québec

Y. Sato SOC America Inc., Holbrook, New York, USA

W. Travis Littelfuse Inc., Chicago, Illinois, USA

C. Rondeau Canadian Standards Association, Mississauga, Ontario

Project Manager

MAY 13, 2011 NMX-J-009/248/11-ANCE  CSA C22.2 NO. 248.11-11  UL 248-11 3

CONTENTS

Preface 4

1 General 6

1.1 Scope 6

1. Classification 6

2. Characteristics 6

1. Voltage rating 6

2. Current rating 7

5.5 Interrupting rating 7

1. Marking 7

   1. Marking of fuses 7

2. Construction 7

   1. Dimensions 7

      7.3 Connections 10

3. Tests 15

   1. Fuses for operation test 15

   2. Verification of temperature rise and current-carrying capacity 15

   3. Verification of overload operation 15

   4. Verification of operation at rated voltage 16

4. Special tests 16

   1. General 16

   2. Verification of low melting point P (D for time delay) characteristic 16

   3. Verification of go/no go gauging requirements for Edison-base and Type C plug fuses .17

   4. Verification of adapter requirements for Type S plug fuses 17