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    I.S. EN 60721-3-4:1997

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 4: STATIONARY USE AT NON-WEATHER-PROTECTED LOCATIONS

    Available format(s):  Hardcopy, PDF

    Superseded date:  16-08-2019

    Language(s):  English

    Published date:  01-01-1997

    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 Definitions
    4 General
    5 Classification of groups of environmental parameters
      and their severities
    6 Sets of environmental condition class combinations
    Annexes
    A (informative) Survey of conditions affecting the choice of
                     environmental parameters and their severites
    B (informative) Interdependence of air temperature, relative humidity
                     and absolute humidity
    C (informative) Examples for practical application of the
                     classification specified in this standard
    D (informative) Summary of conditions covered by sets of class
                     combinations
    E (informative) Explanation of the environmental conditions
                     in tropical areas as specified in classes
                     4K5 and 4K6
    ZA (normative) Other International Publications quoted
                     in this standard with the references of the relevant
                     European Publications
    Tables
    Figure

    Abstract - (Show below) - (Hide below)

    Defines groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at locations which are non-weatherprotected, including periods of erection work, downtime, maintenance and repair.

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    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 60721-1:1990+AMD1:1992+AMD2:1995 CSV Classification of environmental conditions - Part 1: Environmental parameters and their severities
    EN 60721-3-0:1993 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Introduction
    HD 478.2.1 : 200S1 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - ENVIRONMENTAL CONDITIONS APPEARING IN NATURE - TEMPERATURE AND HUMIDITY
    IEC 60721-2-1:2013 Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
    IEC 60721-3-0:1984+AMD1:1987 CSV Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Introduction
    HD 478.1 : 200S2 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES
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