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    I.S. EN 50123-5:2003

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - SURGE ARRESTERS AND LOW-VOLTAGE LIMITERS FOR SPECIFIC USE IN D.C. SYSTEMS

    Available format(s):  Hardcopy, PDF

    Superseded date:  25-01-2012

    Language(s):  English

    Published date:  01-01-2003

    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)

    Introduction
    1 Common matters
      1.1 Scope
      1.2 Normative references
    2 Non-linear resistor type gapped surge arresters
      2.1 General
      2.2 Definitions
      2.3 Marking
      2.4 Preferred ratings
      2.5 Requirements
      2.6 General testing procedure
      2.7 Routine and acceptance tests
      2.8 Type tests
    3 Artificial pollution testing of surge arresters
    4 Metal-oxide surge arresters without gaps
      4.1 General
      4.2 Definitions
      4.3 Marking
      4.4 Preferred ratings
      4.5 Requirements
      4.6 General testing procedure
      4.7 Type tests
      4.8 Routine and acceptance tests
    5 Low-voltage limiters for specific use in d.c. systems
      5.1 General
      5.2 Definitions
      5.3 Marking and classification
      5.4 Preferred ratings
      5.5 Requirements
      5.6 Routine and acceptance tests
      5.7 Type tests
    Annex A (informative) Typical information given with
            enquiries and tenders valid for all types
            covered in this European Standard
    Annex B (informative) High voltage filters for protection
            against voltage surges
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Gives particular requirements for surge arresters (following named arresters) for specific use in fixed installations of d.c. traction systems.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    IEC 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    EN 50123-1:2003 Railway applications - Fixed installations - D.C. switchgear - Part 1: General
    EN 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    EN 60099-1:1994/A1:1999 SURGE ARRESTERS - PART 1: NON-LINEAR RESISTOR TYPE GAPPED SURGE ARRESTERS FOR A.C. SYSTEMS
    EN 50125-2:2002/corrigendum:2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
    IEC 60099-1:1991+AMD1:1999 CSV Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems
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