BS-EN-60079-26-2004.pdf
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1、BRITISH STANDARD BS EN 60079-26:2004 Incorporating Corrigendum No. 1 Electrical apparatus for explosive gas atmospheres Part 26: Construction, test and marking of Group II Category 1 G electrical apparatus The European Standard EN 60079-26:2004 has the status of a British Standard ICS 29.260.20 ? Li
2、censed Copy: sheffieldun sheffieldun, na, Fri Nov 10 13:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60079-26:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 2 February 2005 BSI 2006 ISBN 0 580 45344 8 National foreword This Br
3、itish Standard is the official English language version of EN 60079-26:2004. It is identical with IEC 60079-26:2004. It supersedes BS EN 50284:1999 which remains current until 1 April 2007 when it will be withdrawn. The UK participation in its preparation was entrusted to Technical Committee GEL/31,
4、 Electrical apparatus for explosive atmospheres, 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 publications referred to in this docum
5、ent 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 the necessary provisions of a contract.
6、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 the interpretation, or proposals for cha
7、nge, 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 17 and a back cover. The BSI copyright notice displayed in this doc
8、ument indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 16323 Corrigendum No. 1 31 July 2006Revision of supersession details Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 13:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDA
9、RD EN 60079-26 NORME EUROPENNE EUROPISCHE NORM December 2004 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All
10、rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60079-26:2004 E ICS 29.260.20 Supersedes EN 50284:1999 English version Electrical apparatus for explosive gas atmospheres Part 26: Construction, test and marking of Group II Category 1 G electrica
11、l apparatus (IEC 60079-26:2004, modified) Matriel lectrique pour atmosphres explosives gazeuses Partie 26: Construction, essais et marquage des matriels lectriques de Groupe II Catgorie 1 G (CEI 60079-26:2004, modifie) Elektrische Betriebsmittel fr gasexplosionsgefhrdete Bereiche Teil 26: Konstrukti
12、on, Prfung und Kennzeichnung elektrischer Betriebsmittel fr Gruppe II Kategorie 1 G (IEC 60079-26:2004, modifiziert) This European Standard was approved by CENELEC on 2004-04-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t
13、his European Standard the status of a national standard without any alteration. 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 versi
14、ons (English, French, German). A version in any other language made by translation 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
15、Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun s
16、heffieldun, na, Fri Nov 10 13:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 31/483/FDIS, future edition 1 of IEC 60079-26, prepared by IEC TC 31, Electrical apparatus for explosive atmospheres, was submitted to the IEC-CENELEC parallel vote and was approved by CENELE
17、C as EN 60079-26 on 2004-04-01. Directive 94/9/EC requires equipment classification according to categories. Therefore, in all clauses where the text of IEC 60079-26 uses the term “Zone 0 Equipment“, or equivalent, this shall be interpreted as referring to equipment of Category 1 G. To this end, a d
18、raft amendment, prepared by the Technical Committee CENELEC TC 31, Electrical apparatus for explosive atmospheres - General requirements, was submitted to the formal vote and was approved by CENELEC for inclusion into EN 60079-26 on 2004-09-22. This European Standard supersedes EN 50284:1999. The fo
19、llowing 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) 2005-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-04-01 _ Endorsement no
20、tice The text of the International Standard IEC 60079-26:2004 was approved by CENELEC as a European Standard with agreed common modifications as given below. DOM NOMMOCITACIFINOS calpeRe htit eelt by: lEcertcial apparasut for xelpsoive sag mtaospheres P art 26: oCsnrtcuti,no sett and markgni fo Gruo
21、II p Caetogry ele G 1ctrical paapraut.s calpeRe Clsuae b 6y: 6 Maikrgn 1.6 eGenral Trappa ehtasu slahb le markca decordnit ot gr eheiuqremstne fo riD ehtectvi9 e4/CE/9 for iuqemptne Gr,II puo etaCrogy G 1 dna cacordnit ot gt ehype fo rpcetoitsa no fedenid in hta elppcibas eltaradnd. ppAarasut ineted
22、nf dor snitllaaitno ht niob ednuray llaw tebneew rasae requriinfid gferc tneagetorise sllah ahev c htobagetorise markal eht no deebs lrapedeta by “ a/” dna c ehtorresdnops gniymslob for caet hype fo rpotceits noeparadet by a “/”. In htc ease rehwe eht paraptasu rguop ro metreprutac elsas fidfer for
23、t owt ehtysep fo rpcetoitht ,noc eompetel sedgitannoi fo caer hanitg sllah su ebed nad srapeetad by a “/”. EN 6007926:2004 Page 2 EN 6007926:2004 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 13:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CONTENTS 1 Scope.4 2 Normative references11 3 T
24、erms and definitions .5 4 Requirements for design and construction.5 4.1 General .5 4.2 Protection measures against ignition hazards of the electrical circuits 6 4.3 Apparatus with moving parts11 4.4 Isolated conductive components 12 4.5 Non-conductive enclosures and accessible non-conductive compon
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- BS EN 60079 26 2004
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