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    I.S. EN 60079-11:2012

    Current The latest, up-to-date edition.

    EXPLOSIVE ATMOSPHERES - PART 11: EQUIPMENT PROTECTION BY INTRINSIC SAFETY 'I'

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    National Foreword
    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Grouping and classification of intrinsically safe
       apparatus and associated apparatus
    5 Levels of protection and ignition compliance
       requirements of electrical apparatus
    6 Apparatus construction
    7 Components on which intrinsic safety depends
    8 Infallible components, infallible assemblies of
       components and infallible
    9 Supplementary requirements for specific apparatus
    10 Type verifications and type tests
    11 Routine verifications and tests
    12 Marking
    13 Documentation
    Annex A (normative) - Assessment of intrinsically safe
            circuits
    Annex B (normative) - Spark test apparatus for
            intrinsically safe circuits
    Annex C (informative) - Measurement of creepage distances,
            clearances and separation distances through
            casting compound and through solid insulation
    Annex D (normative) - Encapsulation
    Annex E (informative) - Transient energy test
    Annex F (normative) - Alternative separation distances
            for assembled printed circuit boards and
            separation of components
    Annex G (normative) - Fieldbus intrinsically safe concept
            (FISCO) - Apparatus requirements
    Annex H (informative) - Ignition testing of semiconductor
            limiting power supply circuits
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications
    Annex ZY (informative) - Significant changes between
             this European Standard and EN 60079-11:2007
    Annex ZZ (informative) - Coverage of Essential
             Requirements of EU Directives

    Abstract - (Show below) - (Hide below)

    Defines the construction and testing of intrinsically safe apparatus intended for use in an explosive atmosphere and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes I.S. EN 50020. (03/2007) Supersedes I.S. EN 61241-11. NSAI reissued 2012 PDF with IEC Corrigenda incorporated. (05/2017) Partially Supersedes 2008 edition of I.S. EN 60079-27. (07/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    I.S. 3216:2010 CODE OF PRACTICE - BULK STORAGE OF LIQUEFIED PETROLEUM GAS (LPG) - (EDITION 2)

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60112:2003+AMD1:2009 CSV Method for the determination of the proof and the comparative tracking indices of solid insulating materials
    IEC 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
    IEC 60317-3:2004+AMD1:2010 CSV Specifications for particular types of winding wires - Part 3: Polyester enamelled round copper wire, class 155
    EN 62013-1:2006 Caplights for use in mines susceptible to firedamp - Part 1: General requirements - Construction and testing in relation to the risk of explosion
    IEC 60317-7:1990+AMD1:1997+AMD2:1997 CSV Specifications for particular types of winding wires - Part 7: Polyimide enamelled round copper wire, class 220
    EN 60085:2008 Electrical insulation - Thermal evaluation and designation
    EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
    IPC 2152 : 0 STANDARD FOR DETERMINING CURRENT CARRYING CAPACITY IN PRINTED BOARD DESIGN
    IEC 60317-8:2010 Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180
    IEC 62013-1:2005 Caplights for use in mines susceptible to firedamp - Part 1: General requirements - Construction and testing in relation to the risk of explosion
    IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
    EN 60112 : 2003 AMD 1 2009 METHOD FOR THE DETERMINATION OF THE PROOF AND THE COMPARATIVE TRACKING INDICES OF SOLID INSULATING MATERIALS
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    EN 60317-13:2010 Specifications for particular types of winding wires - Part 13: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200
    EN 60079-25:2010/AC:2013 EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS (IEC 60079-25:2010)
    IEC 60317-13:2010 Specifications for particular types of winding wires - Part 13: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60079-25:2010 Explosive atmospheres - Part 25: Intrinsically safe electrical systems
    EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
    UL 248-1 : 3 LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS
    EN 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
    IEC 60664-3:2016 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution
    EN 60317-8:2010 Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180
    IEC 62133 : 2.0EN+(REDLINE+VERSION) SECONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER NON-ACID ELECTROLYTES - SAFETY REQUIREMENTS FOR PORTABLE SEALED SECONDARY CELLS, AND FOR BATTERIES MADE FROM THEM, FOR USE IN PORTABLE APPLICATIONS
    HD 555.7 : 200S2 SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - POLYIMIDE ENAMELLED ROUND COPPER WINDING WIRE, CLASS 220
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    EN 60664-3:2017 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution
    IEC 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
    IEC 61086-1:2004 Coatings for loaded printed wire boards (conformal coatings) - Part 1: Definitions, classification and general requirements
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