Skip to content
Please enter a keyword to search
  • Preview

    I.S. EN 60255-8:1998

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    ELECTRICAL RELAYS - PART 8: THERMAL ELECTRICAL RELAYS

    Available format(s):  Hardcopy, PDF

    Superseded date:  08-10-2013

    Language(s):  English

    Published date:  01-01-1998

    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.

    Add To Cart

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

    FOREWORD
    PREFACE
    SECTION ONE - GENERAL
    1 Scope and object
    2 Definitions
    SECTION TWO - REQUIREMENTS
    3 Standard values
    4 Accuracy
    SECTION THREE - TEST METHODS
    5 Tests related to operating characteristics and accuracy
    6 Tests for thermal requirements
    Figures
    Appendix A - Characteristic curves, cold curves
    Appendix B - Characteristic curves, hot curves
    Appendix C - Example for determining accuracy
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications

    Abstract - (Show below) - (Hide below)

    Applies to dependent specified time electrical measuring relays which protect equipment from electrical thermal damage by measuring current flowing in the protected equipment.

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

    Development Note Issued on 02/02/2006. (11/2009)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    EN 60255-6 : 94 AC 95 ELECTRICAL RELAYS - MEASURING RELAYS AND PROTECTION EQUIPMENT
    IEC 60255-6:1988 Electrical relays - Part 6: Measuring relays and protection equipment
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective