• EN 50394-1:2004

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Electrical apparatus for potentially explosive atmospheres - Group I - Intrinsically safe systems - Part 1: Construction and testing

    Available format(s): 

    Superseded date:  01-09-2013

    Language(s): 

    Published date:  30-03-2004

    Publisher:  European Committee for Standards - Electrical

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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)

    Includes requirements for construction and testing of Group I 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 CLC/TC 31
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

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

    EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
    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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