1、CAN/CSA-C22.2 No. 60950-23-07(IEC 60950-23:2005, MOD)A National Standard of Canada(reaffirmed 2012)Information Technology Equipment Safety Part 23: Large Data Storage EquipmentLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards develop
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33、ts with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaCette Norme nationale du Canada est offerte en anglais et en franais.Although the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsib
34、ility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationBlank pageInformation Technology Equipment Safety Part 23:Large Data Storage EquipmentApril 23, 2007This national standard is based on publication IEC 60950-23, First Editi
35、on (2005).Canadian Standards AssociationCAN/CSA-C22.2 No. 60950-23-07First Edition(IEC 60950-23: 2005, MOD)Underwriters Laboratories Inc.UL 60950-23First EditionANSI/UL 60950-23-2007Commitment for AmendmentsThis Standard is issued jointly by the Canadian Standards Association andUnderwriters Laborat
36、ories Incorporated. Amendments to this Standard will bemade only after processing according to the Standards writing procedures byboth the Canadian Standards Association and Underwriters LaboratoriesIncorporated._The following paragraph regarding purchase information applies only to the CSAStandard:
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38、0-23 as an American NationalStandard (ANSI) occurred on April 23, 2007.This ANSI/UL Standard for Safety, which consists of the First Edition, is undercontinuous maintenance, whereby each revision is ANSI approved uponpublication.Revisions of this Standard will be made by issuing revised or additiona
39、l pagesbearing their date of issue. A UL Standard is current only if it incorporates themost recently adopted revisions, all of which are itemized on the transmittal noticethat accompanies the latest set of revised requirements. Comments or proposalsfor revisions on any part of the Standard may be s
40、ubmitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-LineCollaborative Standards Development System (CSDS) at http:/.To purchase UL Standards, visit COMM 2000 at http:/m- or call toll free 1-888-853-3503.ISBN 1-55436-414-0Copyright 2007Canadian Standards Associat
41、ionAll rights reserved. No part of thispublication may be reproduced in anyform whatsoever without the priorpermission of the publisher.ISBN 0-7629-1240-5Copyright 2007Underwriters Laboratories Inc.CONTENTSPREFACE 4FOREWORD .71 Scope .92 Normative references .93 Terms and definitions 104 Protection
42、of persons in the work cell 105 Interlock override 115.1 General 115.2 Visual indicator .116 Emergency stop system 127 Endurance tests .138 Abnormal operation 14Annex A (informative) BibliographyAnnex NAE (informative) U.S. and Canadian regulatory requirementsAPRIL 23, 2007 CAN/CSA-C22.2 NO. 60950-2
43、3-07 UL 60950-23 3DED1PREFACEThis is the common CSA and UL Standard for Information Technology Equipment Safety Part 23: Large Data Storage Equipment. It is the first edition of CAN/CSA-C22.2 No. 60950-23and the first edition of UL 60950-23. This standard is based on IEC 60950-23, first edition.This
44、 common standard was prepared by the Canadian Standards Association (CSA) andUnderwriters Laboratories Inc. (UL). The efforts and support of representatives of leadingindustry companies and organizations are gratefully acknowledged.This Standard is considered suitable for use for conformity assessme
45、nt within the stated scopeof the Standard.This Standard was reviewed by the CSA Subcommittee on Safety of Electronic Equipmentwithin the Field of Audio/Video, Information, and Communication Technology, under thejurisdiction of the CSA Technical Committee on Consumer and Commercial Products and theCS
46、A Strategic Steering Committee on Requirements for Electrical Safety, and has been formallyapproved by the CSA Technical Committee.This Standard has been approved as a National Standard of Canada by the Standards Councilof Canada.This Standard has been approved by the American National Standards Ins
47、titute (ANSI) as anAmerican National Standard.Note: Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remainsthe responsibility of the users of the Standard to judge its suitability for their particular purpose.Level of harmonizationTh
48、is standard adopts the IEC text with national differences. This standard is published as anequivalent standard for CSA and UL.An equivalent standard is a standard that is substantially the same in technical content, exceptas follows: Technical national differences are allowed for codes and governmen
49、tal regulationsas well as those recognized as being in accordance with NAFTA Article 905, for example,because of fundamental climatic, geographical, technological, or infrastructural factors, scientificjustification, or the level of protection that the country considers appropriate. Presentation isword for word except for editorial changes.All national differences from the IEC text are included in the CSA and UL versions of thestandard. While the
