1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 60079-15:2010Explosive atmospheresPart 15: Equipment protection by type of protection “n“BS EN 60079-15:2010 BRITISH STANDARDNational forewordThis British Standard is the U
2、K implementation of EN 60079-15:2010.It is identical to IEC 60079-15:2010. It supersedes BS EN 60079-15:2005 which is withdrawn.The UK Committee GEL/31 does not endorse Annex ZY in its current form and a revision is currently under way between the Joint Working Group of CEN TC305 and CLC TC31. A rep
3、lacement Annex ZY will become available at some time in the future.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/31/14, Types of protection e and n.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does
4、 not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010 ISBN 978 0 580 59523 3 ICS 29.260.20 Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority o
5、f theStandards Policy and Strategy Committee on 30 September 2010. Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD EN 60079-15 NORME EUROPENNE EUROPISCHE NORM May 2010 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Ele
6、ctrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60079-15:2010 E ICS 29.260.20 Supersedes EN 60079-15:2005En
7、glish version Explosive atmospheres - Part 15: Equipment protection by type of protection “n“ (IEC 60079-15:2010) Atmosphres explosives - Partie 15: Protection du matriel par mode de protection “n“ (CEI 60079-15:2010) Explosionsfhige Atmosphre - Teil 15: Gerteschutz durch Zndschutzart “n“ (IEC 60079
8、-15:2010) This European Standard was approved by CENELEC on 2010-05-01. 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 alteration. Up-to-date lists and biblio
9、graphical 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 translation under the responsibility
10、 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, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany
11、, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 60079-15:2010 - 2 - Foreword The text of document 31/833/FDIS, future edition 4 of IEC 60079
12、-15, prepared by IEC TC 31, Equipment for explosive atmospheres, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60079-15 on 2010-05-01. This European Standard supersedes EN 60079-15:2005. The significant technical changes with respect to EN 60079-15:2005 are as foll
13、ows: addition of equipment protection levels; removal of the requirements for energy-limited “nL” and associated energy limited apparatus “nL”; removal of the requirements for encapsulated Devices “nC”; requirements for electrical connections expanded and clarified; requirements for luminaire ballas
14、ts expanded and clarified; requirements for evaluation and testing of motor rotors clarified; 15 kV limit for equipment protection by type of protection “n“ added; spacing requirement for voltages above 10 kV modified; requirements for restricted breathing enclosures modified; modification to requir
15、ements for motor rotors and stators; addition of Annex A (informative); undated references to IEC 60079-0 included. This standard is to be used in conjunction with EN 60079-0. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN an
16、d CENELEC shall not be held responsible for identifying any or all such patent rights. 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) 2011-02-01 latest date by which the nati
17、onal standards conflicting with the EN have to be withdrawn (dow) 2013-05-01 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive 94/9/EC. See Annex ZZ. Annexes Z
18、A, ZY and ZZ have been added by CENELEC. _ BS EN 60079-15:2010- 3 - EN 60079-15:2010 Endorsement notice The text of the International Standard IEC 60079-15:2010 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes hav
19、e to be added for the standards indicated: IEC 60034-5 NOTE Harmonized as EN 60034-5. IEC/TS 60034-17 NOTE Harmonized as CLC/TS 60034-17. IEC 60068-2-6 NOTE Harmonized as EN 60068-2-6. IEC 60079-7:2006 NOTE Harmonized as EN 60079-7:2007 (not modified). IEC 60079-17 NOTE Harmonized as EN 60079-17. IE
20、C 60079-18 NOTE Harmonized as EN 60079-18. IEC 60079-29-2 NOTE Harmonized as EN 60079-29-2. IEC 60297 series NOTE Harmonized in EN 60297 series (not modified). _ BS EN 60079-15:2010EN 60079-15:2010 - 4 - Annex ZA (normative) Normative references to international publications with their corresponding
21、 European publications 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. NOTE When an international
22、 publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60034 Series Rotating electrical machines EN 60034 Series IEC 60034-1 - Rotating electrical machines - Part 1: Rating and performance EN 60034-1 - IEC/TS 6003
23、4-25 - Rotating electrical machines - Part 25: Guidance for the design and performance of a.c. motors specifically designed for converter supply CLC/TS 60034-25 - IEC 60061 Series Lamp caps and holders together with gauges for the control of interchangeability and safety - - IEC 60061-1 - Lamp caps
24、and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps EN 60061-1 - IEC 60068-2-27 2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 2009 IEC 60079-0 2007 Explosive atmospheres - Part 0: Equipment - General requir
25、ements EN 60079-0 2009 IEC 60079-1 - Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures “d“ EN 60079-1 - IEC 60079-11 - Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i“ EN 60079-11 - IEC 60112 - Method for the determination of the proof and the
26、 comparative tracking indices of solid insulating materials EN 60112 - IEC 60155 - Glow-starters for fluorescent lamps EN 60155 - IEC 60228 - Conductors of insulated cables EN 60228 - IEC 60238 - Edison screw lampholders EN 60238 - IEC 60269-3 - Low-voltage fuses - Part 3: Supplementary requirements
27、 for fuses for use by unskilled persons (fuses mainly for household or similar applications) - Examples of standardized systems of fuses A to F HD 60269-3 - IEC 60400 - Lampholders for tubular fluorescent lamps and starterholders EN 60400 - BS EN 60079-15:2010- 5 - EN 60079-15:2010 Publication Year
28、Title EN/HD Year IEC 60529 - Degrees of protection provided by enclosures (IP Code) EN 60529 - IEC 60598 Series Luminaires EN 60598 Series IEC 60598-1 (mod) - 2008 - Luminaires - Part 1: General requirements and tests EN 60598-1 + A11 2008 2009 IEC 60598-2 Series Luminaires - Part 2: Particular requ
29、irements EN 60598-2Series IEC 60664-1 - Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests EN 60664-1 - IEC 60927 - Auxiliaries for lamps - Starting devices (other than glow starters) - Performance requirements EN 60927 - IEC 60947-7-1 - Low
30、-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors EN 60947-7-1 - IEC 60947-7-2 - Low-voltage switchgear and controlgear - Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductorsEN 60947-7-2 - IEC 60998-2-4 -
31、 Connecting devices for low voltage circuits for household and similar purposes - Part 2-4: Particular requirements for twist-on connecting devices EN 60998-2-4 - IEC 60999-1 - Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units -
32、Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm up to 35 mm (included) EN 60999-1 - IEC 60999-2 - Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 2: Particular requi
33、rements for clamping units for conductors above 35 mm up to 300 mm (included) EN 60999-2 - IEC 61048 - Auxiliaries for lamps - Capacitors for use in tubular fluorescent and other discharge lamp circuits - General and safety requirements EN 61048 - IEC 61184 - Bayonet lampholders EN 61184 - IEC 61195
34、 - Double-capped fluorescent lamps - Safety specifications EN 61195 - IEC 61347-1 (mod) 2007 Lamp controlgear - Part 1: General and safety requirements EN 61347-1 2008 IEC 61347-2-1 - Lamp controlgear - Part 2-1: Particular requirements for starting devices (other than glow starters) EN 61347-2-1 -
35、IEC 61347-2-2 - Lamp controlgear - Part 2-2: Particular requirements for d.c. or a.c. supplied electronic step-down convertors for filament lamps EN 61347-2-2 - IEC 61347-2-3 - Lamp controlgear - Part 2-3: Particular requirements for a.c. supplied electronic ballasts for fluorescent lampsEN 61347-2-
36、3 - BS EN 60079-15:2010EN 60079-15:2010 - 6 - Publication Year Title EN/HD Year IEC 61347-2-4 - Lamp controlgear - Part 2-4: Particular requirements for d.c. supplied electronic ballasts for general lighting EN 61347-2-4 - IEC 61347-2-7 - Lamp controlgear - Part 2-7: Particular requirements for d.c.
37、 supplied electronic ballasts for emergency lighting EN 61347-2-7 - IEC 61347-2-8 - Lamp controlgear - Part 2-8: Particular requirements for ballasts for fluorescent lamps EN 61347-2-8 - IEC 61347-2-9 - Lamp controlgear - Part 2-9: Particular requirements for ballasts for discharge lamps (excluding
38、fluorescent lamps) EN 61347-2-9 - BS EN 60079-15:2010- 7 - EN 60079-15:2010 Annex ZY (informative) Significant changes between this European Standard and EN 60079-15:2005 This European Standard supersedes EN 60079-15:2005. The significant changes with respect to EN 60079-15:2005 are as listed below.
39、 Type Minor and editorial changes Extension Substantial change regarding ESRs aAddition of Equipment Protection Levels X Removal of the requirements for Energy-limited “nL“ and associated energy limited apparatus “nL“ X Removal of the requirements for Encapsulated Devices “nC“ X Requirements for ele
40、ctrical connections expanded and clarified X Requirements for luminaire ballasts expanded and clarified X Requirements for evaluation and testing of motors rotors clarified X 15 kV limit for Equipment protection by type of protection “n“ added X Spacing requirement for voltages above 10 kV modified
41、X Requirements for restricted breathing enclosures modified X Modification to requirements for motor rotors and stators X Addition of Annex A (informative): Information on installation of nA machines to be considered for eventual inclusion into IEC 60079-14 X aESR = Essential Health and Safety Requi
42、rements (Annex II of Directive 94/9/EC) General conclusion on the change of the State of the Art by this standard CENELEC/TC 31 as the responsible committee has concluded that this new edition does not contain substantial changes regarding the ESRs. BS EN 60079-15:2010EN 60079-15:2010 - 8 - Annex ZZ
43、 (informative) Coverage of essential requirements of the directive 94/9/EC This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and within its scope the standard covers only the following essential safety require
44、ments out of those given in Annex II of the EC Directive 94/9/EC: ESR Equivalent requirement in EN 60079-15:2005 1.0.1 dash 2 Definition 3.7 of EN 60079-15 and principles of the type of protection “n“ for gas atmospheres 1.0.2 Definition 3.7 and Notes of EN 60079-15 and reference to EN 60079-0 1.0.3
45、 Reference to EN 60079-0 1.0.4 Reference to EN 60079-0 1.0.5 Clause 24 of EN 60079-15 and reference to EN 60079-0 1.0.6 Clause 25 of EN 60079-15 and reference to EN 60079-0 1.1 Reference to EN 60079-0 1.2.1 Generally covered by EN 60079-15 and EN 60079-0 1.2.2 Reference to EN 60079-0 1.2.3 Not appli
46、cable. Release of flammable material is not foreseen 1.2.4 Not applicable. Dust atmospheres and deposits are out of scope 1.2.5 Reference to EN 60079-0 1.2.6 Warning label deemed adequate for Category 3 Equipment 1.2.7 Reference to EN 60079-0 and relevant standards for normal industrial applications
47、. 1.2.8 Not specifically applied to Category 3 Equipment but covered in general for normal conditions by the installation requirements in EN 60079-14 1.2.9 Clause 17 of EN 60079-15 1.3.1 Principle of the type of protection “n“ as far as applicable and reference to EN 60079-0 1.3.2 Reference to EN 60
48、079-0 1.3.3 Reference to EN 60079-0 1.3.4 Clauses 8.7 of EN 60079-15 and reference to EN 60079-0 1.3.5 Not applicable to electrical equipment 1.4 Reference to EN 60079-0 1.5.1 Clause 12 in respect of charging of batteries 1.5.2 to 1.5.8 Not applicable 1.6.1 to 1.6.3 Not applicable 1.6.4 Reference to
49、 EN 60079-0 1.6.5 Not applicable BS EN 60079-15:2010- 9 - EN 60079-15:2010 ESR Equivalent requirement in EN 60079-15:2005 2.0, 2.1 and 2.2 Not applicable out of scope 2.3.1 Fundamental basis of EN 60079-15 and references to EN 60079-0 2.3.2 Not applicable out of scope 3 Not applicable out of scope BS EN 60079-15:2010This page deliberately left blank 60079-15 IEC:2010 CONTENTS 1 Scope.10 2 Normative references .14 3 Terms and definitions .15 4 General 17 4.1 Equipment grouping and temperature clas
