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  • CEI EN 60255-21-3 : 1998

    Current The latest, up-to-date edition.

    ELECTRICAL RELAYS - PART 21: VIBRATION, SHOCK, BUMP AND SEISMIC TESTS ON MEASURING RELAYS AND PROTECTION EQUIPMENT - SECTION 3: SEISMIC TESTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English - Italian

    Published date:  01-01-1998

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    1. SCOPE AND OBJECT
    2. NORMATIVE REFERENCES
    3. DEFINITIONS
    4. REQUIREMENTS FOR SINGLE AXIS SINE
       SWEEP SEISMIC TEST (METHOD A)
    5. REQUIREMENTS FOR BIAXIAL MULTI
       FREQUENCY RANDOM SEISMIC TEST
       (METHOD B)
    6. SELECTION OF TEST SEVERITY CLASSES
    7. TEST PROCEDURES
    8. CRITERIA FOR ACCEPTANCE
    ANNEX A - SEISMIC TESTS CHOICE CRITERIA
    ANNEX ZA - Other International Publications
               quoted in this Standard with the
               references of the relevant European
               Publications

    Abstract - (Show below) - (Hide below)

    Describes the vibration, shock, bump and seismic requirements applicable to electromechanical and static measuring relays and protection equipment, with or without output contacts.

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

    Committee CT 95
    Development Note Classificazione CEI 95-5 (09/2001)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current

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

    IEC 60255-21-2:1988 Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section Two: Shock and bump tests
    EN 60068-2-57:2013 Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history and sine-beat method
    IEC 60068-2-57:2013 Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history and sine-beat method
    IEC 60068-3-3:1991 Environmental testing - Part 3-3: Guidance - Seismic test methods for equipments
    EN 60068-3-3:1993 Environmental testing - Part 3: Guidance - Seismic test methods for equipments
    ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
    HD 323.2.6 : 200S2 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST FC AND GUIDANCE: VIBRATION (SINUSOIDAL)
    IEC 60255-21-1:1988 Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)
    CEI 50-6 : 1985 COR 1989
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