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  • CEI EN 61643-331 : 2005

    Current The latest, up-to-date edition.

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 331: SPECIFICATION FOR METAL OXIDE VARISTORS (MOV)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2005

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Parametric terms, letter symbols
      and definitions
    4 Service conditions
    5 Basic function and MOV component
      description
    6 Identification
    7 Marking
    8 Testing and measuring methods
    9 Fault and failure mode
    Annex A (normative) - MOV testing
            for IEC 61643-1 surge
            protective devices
    Bibliography
    Annex ZA (normative) - Normative
             references to international
             publications with their
             corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Describes specification for metal oxide varistors (MOV), which are used for applications up to 1000 V a.c. or 1 500 V d.c. in power line, or telecommunication, or signalling circuits.

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

    Committee CT 37
    Development Note Classificazione CEI 37-9. (10/2005)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Superseded By

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

    HD 323.2.20 : 200S3 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST T - SOLDERING
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60068-2-20:2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads
    EN 60068-1:2014 Environmental testing - Part 1: General and guidance
    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 61051-2:1991 Varistors for use in electronic equipment - Part 2: Sectional specification for surge suppression varistors
    IEC 61051-2-2:1991 Varistors for use in electronic equipment - Part 2: Blank detail specification for zinc oxide surge suppression varistors. Assessment level E
    EN 60068-2-29:1993 Environmental testing - Part 2: Tests - Test Eb and guidance: Bump
    EN 60068-2-78:2013 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state
    EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
    IEC 60068-2-29:1987 Environmental testing. Part 2: Tests. Test Eb and guidance: Bump
    IEC 61180-1:1992 High-voltage test techniques for low voltage equipment - Part 1: Definitions, test and procedure requirements
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 61051-2-1:1991 Varistors for use in electronic equipment - Part 2: Blank detail specification for silicon carbide surge suppression varistors. Assessment level E
    IEC 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
    EN 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
    IEC 60068-2-52:2017 Environmental testing - Part 2-52: Tests - Test Kb: Salt mist, cyclic (sodium chloride solution)
    IEC 61051-1:2007 Varistors for use in electronic equipment - Part 1: Generic specification
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