• CEI EN 50394-1 : 2005

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP 1 - INSTRINSICALLY SAFE SYSTEMS - PARTE 1: COSTRUZIONI E PROVE

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  01-07-2020

    Language(s):  English - Italian

    Published date:  01-01-2005

    Publisher:  Comitato Elettrotecnico Italiano

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

    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Categories of intrinsically safe electrical systems (in
       accordance with EN 50014)
    5 Interconnecting wiring/cables used in an intrinsically safe
       electrical system
    6 Accessories for intrinsically safe electrical systems
    7 Type tests and assessment
    8 Marking of intrinsically safe electrical systems
    9 Descriptive system document
    10 Instructions
    Annex A (normative) - Requirements for cables
    Annex B (informative) - Typical descriptive system drawing
    Annex C (normative) - Assessment of a simple intrinsically safe
            system
    Annex D (normative) - Assessment of circuits with more than
            one linear source of power
    Annex E (normative) - Trapezoidal power supplies
    Annex F (normative) - Non-linear power supplies
    Annex G (normative) - Verification of inductive parameters

    Abstract - (Show below) - (Hide below)

    Describes the requirements for construction and testing of GROUP 1 intrinsically safe electrical systems intended for use, as a whole or in part, in atmospheres susceptible to firedamp.

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

    Committee CT 31
    Development Note Classificazione CEI 31-60. (01/2006)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Withdrawn

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

    EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
    CEI 31-9 : 1ED 1978
    EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
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