We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • IEC 60947-4-1:2009+AMD1:2012 CSV

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist.
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You need to be logged in to add this standard to your Watchlist.
    Please log in now or create an account to add.
    You already added this Product in the Watchlist.

    Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  12-09-2022

    Language(s):  English - French

    Published date:  20-07-2012

    Publisher:  International Electrotechnical Committee

    Add to Watchlist

    Add To Cart

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

    INTRODUCTION (to amendment 1)
    1 Scope and object
    2 Normative references
    3 Terms, definitions, symbols and abbreviations
    4 Classification
    5 Characteristics of contactors and starters
    6 Product information
    7 Normal service, mounting and transport conditions
    8 Constructional and performance requirements
    9 Tests
    Annex A (normative) - Marking and identification of
            terminals of contactors and associated
            overload relays
    Annex B (normative) - Special tests
    Annex C - Void
    Annex D (informative) - Items subject to agreement
            between manufacturer and user
    Annex E (informative) - Void
    Annex F (normative) - Requirements for auxiliary
            contact linked with power contact (mirror
    Annex G (informative) - Rated operational currents and
            rated operational powers of switching devices
            for electrical motors
    Annex H (normative) - Extended functions to electronic
            overload relays
    Annex I (informative) - AC1 contactors for use with
            semiconductor controlled motor loads
    Annex J - Void
    Annex K (normative) - Procedure to determine data for
            electromechanical contactors used in functional
            safety applications

    Abstract - (Show below) - (Hide below)

    IEC 60947-4-1:2009+A1:2012 applies to the types of equipment whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. Starters and/or contactors dealt with in this standard are not normally designed to interrupt short-circuit currents. Therefore, suitable short-circuit protection forms part of the installation but not necessarily of the contactor or the starter. This third edition replaces the second edition published in 2000 and its Amendments 1 (2002) and 2 (2005). It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition (2000) and its Amendments 1 (2002) and 2 (2005):
    - deletion of the test at -5 °C and +20 °C for thermal overload relays that are not compensated for ambient air temperature;
    - addition of conditions of the tests according to Annex Q of IEC 60947-1;
    - EMC tests: clarification of acceptance criteria and alignment with IEC 60947-1 for fast transient severity level;
    - Annex B, test for Icd: modification of the duration of the dielectric test voltage from 5 s to 60 s;
    - Annex B, electrical durability: improvement of the statistical aspects;
    - Annex H: clarification and introduction of new extended functions within electronic overload relays;
    - Annex K, procedure to determine data for electromechanical contactors used in functional safety applications: creation of this new annex. This standard shall be read in conjunction with IEC 60947-1, Low voltage switchgear and controlgear - Part 1: General rules. The provisions of the general rules are applicable to this standard, where specifically called for.This consolidated version consists of the third edition (2009) and its amendment 1 (2012). Therefore, no need to order amendment in addition to this publication.

    This publication shall be read in conjunction with IEC 60947-1:2007.

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

    Committee TC 121/SC 121A
    Development Note Supersedes IEC 60158-1, IEC 60292-1, IEC 60292-2, IEC 60292-3, IEC 60292-4 (03/2001) Supersedes IEC 60158-1C. (07/2004) To be read in conjunction with IEC 60947-1. (07/2012) Stability date: 2018. (11/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By