• CEI 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:  Comitato Elettrotecnico Italiano

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

    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
        connections on which intrinsic safety depends
    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

    Abstract - (Show below) - (Hide below)

    Describes 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)

    Committee CT 31
    Development Note Classificazione CEI 31-78. Supersedes CEI EN 50020. To be used in conjunction with CEI EN 60079-0:2007-12. (01/2008) Supersedes CEI EN 61241-11. Partially supersedes CEI EN 60079-27. (08/2012)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Supersedes
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