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    I.S. EN 61251:2016

    Current The latest, up-to-date edition.

    ELECTRICAL INSULATING MATERIALS AND SYSTEMS - A.C. VOLTAGE ENDURANCE EVALUATION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2016

    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)

    National Foreword
    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
    4 Voltage endurance
    5 Test methods
    6 Evaluation of voltage endurance
    Annex A (informative) - The Weibull distribution
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    Defines many of the factors involved in voltage endurance tests on electrical insulating materials and systems.

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

    Development Note 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

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

    IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
    IEC 61649:2008 Weibull analysis
    IEC 60343:1991 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges
    IEC 60243-3:2013 Electric strength of insulating materials - Test methods - Part 3: Additional requirements for 1,2/50 µs impulse tests
    IEC 60243-2:2013 Electric strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage
    IEC 62539:2007 Guide for the statistical analysis of electrical insulation breakdown data
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