• SN EN 60255-21-2 : 1995

    Current The latest, up-to-date edition.

    ELECTRICAL RELAYS - PART 21: VIBRATION, SHOCK, BUMP AND SEISMIC TESTS ON MEASURING RELAYS AND PROTECTION EQUIPMENT - SECTION 2: SHOCK AND BUMP TESTS

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    Published date:  12-01-2013

    Publisher:  Swiss Standards

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

    1 Scope
    2 Object
    3 Definitions
    3.1 Shock test
    3.2 Shock response test
    3.3 Shock withstand test
    3.4 Bump test
    4 Requirements for shock and bump tests
    4.1 Test apparatus and mounting
    4.2 Shock test severity classes
    4.3 Bump test severity classes
    4.4 Recommendations for the selection of shock and
         bump test severity class
    4.5 Test procedure for shock response test
    4.6 Test procedure for shock withstand test and bump
         test
    5 Criteria for acceptance
    5.1 Acceptance criteria for shock response test
    5.2 Acceptance criteria for shock withstand test and
         for bump test
    Figures
    Appendix A Selection criteria for shock and bump test
                parameters a) and output circuit response
                during shock response test b)

    Abstract - (Show below) - (Hide below)

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

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

    Document Type Standard
    Publisher Swiss Standards
    Status Current
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