BS EN 60974-12-2005 Arc welding equipment — Part 12 Coupling devices for welding cables.pdf
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1、BRITISH STANDARD BS EN 60974-12:2005 Arc welding equipment Part 12: Coupling devices for welding cables The European Standard EN 60974-12:2005 has the status of a British Standard ICS 25.160 ? BS EN 60974-12:2005 This British Standard was published under the authority of the Standards Policy and Str
2、ategy Committee on 18 November 2005 BSI 18 November 2005 ISBN 0 580 46698 1 National foreword This British Standard is the official English language version of EN 60974-12:2005. It is identical with IEC 60974-12:2005. It supersedes BS EN 60974-12:1996 which is withdrawn. The UK participation in its
3、preparation was entrusted to Technical Committee WEE/6, Electric arc welding equipment, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European
4、 publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all t
5、he necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on t
6、he interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and
7、 a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 60974-12 NORME EUROPENNE EUROPISCHE NORM September 2005 CENELEC European Committee for Electrotechnical Standar
8、dization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60974-12:200
9、5 E ICS 25.160 Supersedes EN 60974-12:1995 English version Arc welding equipment Part 12: Coupling devices for welding cables (IEC 60974-12:2005) Matriel de soudage larc Partie 12: Dispositifs de connexion pour cbles de soudage (CEI 60974-12:2005) Lichtbogenschweieinrichtungen Teil 12: Steckverbindu
10、ngen fr Schweileitungen (IEC 60974-12:2005) This European Standard was approved by CENELEC on 2005-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alter
11、ation. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by tr
12、anslation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fran
13、ce, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 60974-12:2005 2 Foreword The text of document 26/303/FDIS, future edition 2 of IEC 60974-12, prepa
14、red by IEC TC 26, Electric welding, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60974-12 on 2005-07-01. This European Standard supersedes EN 60974-12:1995. Major changes with respect to EN 60974-12:1995 are the following: an operation capability requirement has b
15、een added to item b) of Clause 4; Tables 1 and 6 have slightly changed values and consider only a 60 % duty cycle; Subclause 7.1 “Voltage rating” has been newly introduced; under 7.3 “Dielectric strength”, the paragraphs 2 and 5 are newly introduced to consider arc striking and stabilizing devices;
16、examples and design recommendations have been removed from the normative part of the document and introduced in Annex A. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-0
17、4-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2008-07-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60974-12:2005 was approved by CENELEC as a European Standard without any modification. _
18、w w w . b z f x w . c o m 3 EN 60974-12:2005 CONTENTS 1 Scope 4 2 Normative references .4 3 Terms and definitions .4 4 Environmental conditions5 5 Type tests 5 6 Designation5 7 Protection against electric shock.6 8 Thermal rating8 9 Mechanical requirements9 10 Marking10 11 Instructions for use.11 An
19、nex A (informative) Dimensions12 Annex ZA (normative) Normative references to international publications with their relevant European publications.14 Figure 1 Device for testing the resistance to hot objects .8 Figure A.1 Male element 12 Figure A.2 Female element 12 Table 1 Relation between coupling
20、 device rated current and welding cables.6 Table 2 Voltage rating of coupling devices6 Table 3 Crush force .10 Table A.1 Dimensions for Figures A.1 and A.213 w w w . b z f x w . c o m EN 60974-12:2005 4 ARC WELDING EQUIPMENT Part 12: Coupling devices for welding cables 1 Scope This part of IEC 60974
21、 is applicable to coupling devices for cables for welding and allied processes designed for connection and disconnection without using tools. This part of IEC 60974 specifies safety and performance requirements of coupling devices. This part of IEC 60974 is not applicable to coupling devices for und
22、erwater welding. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050
23、(151): International Electrotechnical Vocabulary (IEV) Part 151: Electrical and magnetic devices IEC 60529, Degrees of protection provided by enclosures (IP Code) IEC 60974-1, Arc welding equipment Part 1: Welding power sources 3 Terms and definitions For the purposes of this document, the terms and
24、 definitions given in IEC 60050-151, IEC 60974-1, as well as the following apply. 3.1 coupling device device connecting two welding cables together or connecting a welding cable to welding equipment 3.2 rated current current assigned by the manufacturer that the coupling device can accept at 60 % du
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