• I.S. EN 50171:2001

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.


    Available format(s):  Hardcopy, PDF

    Superseded date:  20-01-2022

    Language(s):  English

    Published date:  01-01-2001

    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)

    1 Scope
    2 Normative references
    3 Definitions
    4 Types of central power supply systems
    5 Operating conditions and requirements
    6 Construction
    7 Information for installation and operation of central
       power supply systems
    Annex A (informative) System testing

    Abstract - (Show below) - (Hide below)

    Describes the general requirements for central power supply systems for an independent energy supply to essential safety equipment. Also covers systems permanently connected to A.C. supply voltages not exceeding 1000 V and that use batteries as the alternative power source.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
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