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    I.S. EN 61857-21:2009

    Current The latest, up-to-date edition.

    ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 21: SPECIFIC REQUIREMENTS FOR GENERAL-PURPOSE MODELS - WIRE-WOUND APPLICATIONS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

    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)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Construction
    5 Number of test objects
    6 Test procedures
    7 End-of-life criterion
    8 Analyzing, reporting and classification
    Bibliography
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Specifies a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required.

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

    Development Note Supersedes I.S. EN 61857-23 (01/2005) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
    IEC 60505:2011 Evaluation and qualification of electrical insulation systems
    IEC 61857-1:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
    EN 60505:2011/AC:2017-03 EVALUATION AND QUALIFICATION OF ELECTRICAL INSULATION SYSTEMS (IEC 60505:2011/COR1:2017)
    EN 61857-1:2009 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
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