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    BS EN 60079-7-2015 Explosive atmospheres Equipment protection by increased safety e 《爆燃性环境 增加安全性 e 型防护设备》.pdf

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    BS EN 60079-7-2015 Explosive atmospheres Equipment protection by increased safety e 《爆燃性环境 增加安全性 e 型防护设备》.pdf

    1、Explosive atmospheresPart 7: Equipment protection by increased safety “e” (IEC 60079-7:2015)BS EN 60079-7:2015BS EN 60079-7:2015Incorporating corrigendum January 2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 600

    2、79-7December 2015ICS 29.260.20 Supersedes EN 60079-7:2007English VersionExplosive atmospheres - Part 7: Equipment protection byincreased safety “e“(IEC 60079-7:2015)Atmosphres explosives - Partie 7: Protection delquipement par scurit augmente “e“(IEC 60079-7:2015)Explosionsfhige Atmosphre - Teil 7:

    3、Gerteschutz durch erhhte Sicherheit “e“(IEC 60079-7:2015)This European Standard was approved by CENELEC on 2015-07-31. CENELEC members are bound to comply with the CEN/CENELECInternal Regulations which stipulate the conditions for giving this European Standard the status of a national standard witho

    4、ut any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any other

    5、 language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,

    6、 the Czech Republic,Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,Turkey and the Unit

    7、ed Kingdom.European Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reser

    8、ved worldwide for CENELEC Members.Ref. No. EN 60079-7:2015 EBS EN 60079-7:2015BS EN 60079-7:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 60079-7:2015. It is identical to IEC 60079-7:2015. It supersedes BS EN 60079-7:2007, which is withdrawn. It partially

    9、 supersedes BS EN 60079-15:2010, specifically the requirements for Type of Protection “nA”.The significance of the changes between this standard (for “ec”) and BS EN 60079-15:2010 (for “nA”) are listed in a table in Annex ZY. The major technical changes include:- Soldered Connections- Thermal stabil

    10、ity of solid insulating materials- Addition of end-of-life tests- Ex Component enclosuresWhere a requirement of this standard conflicts with a requirement of BS EN 60079-15:2010, the requirement of this standard takes precedence.The UK participation in its preparation was entrusted to Technical Comm

    11、ittee EXL/31, Equipment for explosive atmospheres.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British

    12、Standards Institution 2017. Published by BSI Standards Limited 2017ISBN 978 0 580 96228 8ICS 29.260.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December

    13、 2015.Amendments/corrigenda issued since publicationDate Text affected31 January 2017 Implementation of IEC Interpretation sheet September 2016 in National annex NA ii BS EN 60079-7:2015IEC 60079-7:2015 IEC 2016IEC 60079-7:2015/ISH1:2016 IEC 2016 1 ICS 29.260.20 INTERNATIONAL ELECTROTECHNICAL COMMIS

    14、SION_IEC 60079-7 Edition 5.0 2015-06 EXPLOSIVE ATMOSPHERES Part 7: Equipment protection by increased safety e INTERPRETATION SHEET 1This interpretation sheet has been prepared by IEC technical committee 31: Equipment for explosive atmospheres. The text of this interpretation sheet is based on the fo

    15、llowing documents: ISH Report on voting 31/1258/ISH 31/1272/RVD Full information on the voting for the approval of this interpretation sheet can be found in the report on voting indicated in the above table. _ IEC 60079-7:2015 Edition 5.0, Explosive atmospheres Part 7: Equipment protection by increa

    16、sed safety “e” Question: Do the requirements given in 5.2.3 prohibit the use of a terminal box opened to the interior of a motor rated 1 kV or greater, provided the interior of the machine has an ingress protection of IP54 or greater? IEC 60079-7:2015 Edition 5.0 5.2.3 Degrees of protection provided

    17、 by electrical machines, Level of Protection “ec” The requirements of 4.10 apply, except that terminal boxes attached to electrical machines operating at voltages up to 1 kV, may be opened to the interior of the machine, only when the degree of protection of the electrical machine is at least IP44.

    18、Covers and entries of the terminal box shall provide at least degree of protection IP54. IEC 60079-7:2015-06/ISH1:2016-09(en-fr)National Annex NA (Informative) iii BS EN 60079-7:2015IEC 60079-7:2015 IEC 2016IEC 60079-7:2015/ISH1:2016 IEC 2016 1 ICS 29.260.20INTERNATIONAL ELECTROTECHNICAL COMMISSION_

    19、IEC 60079-7 Edition 5.0 2015-06EXPLOSIVE ATMOSPHERES Part 7: Equipment protection by increased safety eINTERPRETATION SHEET 1 This interpretation sheet has been prepared by IEC technical committee 31: Equipment forexplosive atmospheres. The text of this interpretation sheet is based on the following

    20、 documents:ISH Report on voting31/1258/ISH 31/1272/RVD Full information on the voting for the approval of this interpretation sheet can be found in thereport on voting indicated in the above table._IEC 60079-7:2015 Edition 5.0, Explosive atmospheres Part 7: Equipment protection byincreased safety “e

    21、”Question:Do the requirements given in 5.2.3 prohibit the use of a terminal box opened to the interior ofa motor rated 1 kV or greater, provided the interior of the machine has an ingress protection of IP54 or greater?IEC 60079-7:2015 Edition 5.05.2.3 Degrees of protection provided by electrical mac

    22、hines, Level of Protection “ec”The requirements of 4.10 apply, except that terminal boxes attached to electrical machinesoperating at voltages up to 1 kV, may be opened to the interior of the machine, only when thedegree of protection of the electrical machine is at least IP44. Covers and entries of

    23、 the terminal box shall provide at least degree of protection IP54.IEC 60079-7:2015-06/ISH1:2016-09(en-fr) 2 IEC 60079-7:2015/ISH1:2016 IEC 2016 Answer: No. As long as the interior of the machine has an ingress protection of IP54 or greater, determined in accordance with IEC 60079-0, there is no lim

    24、itation to less than 1 kV. If the interior of the machine has an ingress rating of IP44 or lower, the use of a terminal box open to the interior of a motor rated 1 kV or greater is not permitted. NOTE Many manufacturers opt to declare IP44 for the machine for certification purposes, whilst claiming

    25、a rating of IP54 or higher, by assessment, for contractual purposes in order to avoid the difficult testing required for certification of the IP of larger machines. As such, this additional IP rating need only comply with IEC 60529 or IEC 60034-5 as applicable, and not with any of the testing detail

    26、ed in IEC 60079-0. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60079-7 December 2015 ICS 29.260.20 Supersedes EN 60079-7:2007 English Version Explosive atmospheres - Part 7: Equipment protection by increased safety “e“ (IEC 60079-7:2015) Atmosphres explosives - Partie 7: Protection de lquip

    27、ement par scurit augmente “e“ (IEC 60079-7:2015) Explosionsfhige Atmosphre - Teil 7: Gerteschutz durch erhhte Sicherheit “e“ (IEC 60079-7:2015) This European Standard was approved by CENELEC on 2015-07-31. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate

    28、the conditions for giving this 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 CEN-CENELEC Management Centre or to any CENELEC member. This European St

    29、andard exists in three official versions (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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members a

    30、re the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway,

    31、Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Mar

    32、nix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60079-7:2015 E BS EN 60079-7:2015EN 60079-7:2015 (E) 2 European foreword The text of document 31/1182/FDIS, future edition 5 of IEC 60079-7, prepared by IE

    33、C/TC 31 “Equipment for explosive atmospheres“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60079-7:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by end

    34、orsement (dop) 2016-06-11 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-07-31 This document supersedes EN 60079-7:2007. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE

    35、NELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For the relations

    36、hip with EU Directive(s) see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the International Standard IEC 60079-7:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following

    37、notes have to be added for the standards indicated: IEC/TS 60034-17 NOTE Harmonized as CLC/TS 60034-17. IEC 60034-18-41 NOTE Harmonized as EN 60034-18-41. IEC/TS 60034-25 NOTE Harmonized as CLC/TS 60034-25. IEC 60079-14 NOTE Harmonized as EN 60079-14. IEC 60079-17 NOTE Harmonized as EN 60079-17. IEC

    38、 60079-18 NOTE Harmonized as EN 60079-18. IEC 60079-20-1 NOTE Harmonized as EN 60079-20-1. IEC 60079-28 NOTE Harmonized as EN 60079-28. IEC 60079-29-2 NOTE Harmonized as EN 60079-29-2. IEC 60079-30-2 NOTE Harmonized as EN 60079-30-2. IEC 60079-35-1 NOTE Harmonized as EN 60079-35-1. IEC 60086-1 NOTE

    39、Harmonized as EN 60086-1. IEC 60095-1 NOTE Harmonized as EN 60095-1. IEC 60364-5-55 NOTE Harmonized in EN 60364-5-55 series. IEC 60622 NOTE Harmonized as EN 60622. IEC 60623 NOTE Harmonized as EN 60623. IEC 60664-3 NOTE Harmonized as EN 60664-3. BS EN 60079-7:2015EN 60079-7:2015 (E) 3 IEC 60927 NOTE

    40、 Harmonized as EN 60927. IEC 61008-1 NOTE Harmonized as EN 61008-1. IEC 61056-1 NOTE Harmonized as EN 61056-1. IEC 61347-2-1 NOTE Harmonized as EN 61347-2-1. IEC 61347-2-4 NOTE Harmonized as EN 61347-2-4. IEC 61347-2-7 NOTE Harmonized as EN 61347-2-7. IEC 61347-2-8 NOTE Harmonized as EN 61347-2-8. I

    41、EC 61347-2-9 NOTE Harmonized as EN 61347-2-9. IEC 61347-2-13 NOTE Harmonized as EN 61347-2-13. IEC 61951-1 NOTE Harmonized as EN 61951-1. IEC 62013-1 NOTE Harmonized as EN 62013-1. ISO 13849-1 NOTE Harmonized as EN ISO 13849-1. BS EN 60079-7:2015 iv BS EN 60079-7:2015EN 60079-7:2015 (E)EN 60079-7:20

    42、15 (E) 2 European foreword The text of document 31/1182/FDIS, future edition 5 of IEC 60079-7, prepared by IEC/TC 31 “Equipment for explosive atmospheres“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60079-7:2015. The following dates are fixed: latest date by which th

    43、e document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-06-11 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-07-31 This document supersedes EN 60079-7:2007. Attention i

    44、s drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and t

    45、he European Free Trade Association, and supports essential requirements of EU Directive(s). For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the International Standard IEC 60079-7:2015 was approved by CENEL

    46、EC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC/TS 60034-17 NOTE Harmonized as CLC/TS 60034-17. IEC 60034-18-41 NOTE Harmonized as EN 60034-18-41. IEC/TS 60034-25 NOTE Harmonized as C

    47、LC/TS 60034-25. IEC 60079-14 NOTE Harmonized as EN 60079-14. IEC 60079-17 NOTE Harmonized as EN 60079-17. IEC 60079-18 NOTE Harmonized as EN 60079-18. IEC 60079-20-1 NOTE Harmonized as EN 60079-20-1. IEC 60079-28 NOTE Harmonized as EN 60079-28. IEC 60079-29-2 NOTE Harmonized as EN 60079-29-2. IEC 60

    48、079-30-2 NOTE Harmonized as EN 60079-30-2. IEC 60079-35-1 NOTE Harmonized as EN 60079-35-1. IEC 60086-1 NOTE Harmonized as EN 60086-1. IEC 60095-1 NOTE Harmonized as EN 60095-1. IEC 60364-5-55 NOTE Harmonized in EN 60364-5-55 series. IEC 60622 NOTE Harmonized as EN 60622. IEC 60623 NOTE Harmonized a

    49、s EN 60623. IEC 60664-3 NOTE Harmonized as EN 60664-3. BS EN 60079-7:2015EN 60079-7:2015 (E) 3 IEC 60927 NOTE Harmonized as EN 60927. IEC 61008-1 NOTE Harmonized as EN 61008-1. IEC 61056-1 NOTE Harmonized as EN 61056-1. IEC 61347-2-1 NOTE Harmonized as EN 61347-2-1. IEC 61347-2-4 NOTE Harmonized as EN 61347-2-4. IEC 61347-2-7 NOTE Harmonized as EN 61347-2-7. IEC 61347-2-8 NOTE Harmonized as EN 61347-2-8. IEC 61347-2-9 NOTE Harmonized as EN 61347-2-9. IEC 6134


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