• I.S. EN 61557-7:2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 000 V A.C. AND 1 500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE

    Available format(s):  Hardcopy, PDF

    Superseded date:  06-06-2022

    Language(s):  English

    Published date:  31-12-2006

    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
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Requirements
    5 Marking and operating instructions
      5.1 Marking
      5.2 Operating instructions
    6 Tests
    Annex A (normative) Illustrations for mechanical tests
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Defines the requirements for measuring equipment applied to testing the phase sequence in three-phase distribution 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    Status Superseded
    Superseded By

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

    IEC 61557-1:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
    EN 61557-1:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
    IEC TR 61010-3-031:2003 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 3-031: Conformity verification report for IEC 61010-031:2002 - Safety requirements for hand-held probe assemblies for electrical test and measurement
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