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  • IEC 60521:1976

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Class 0.5, 1 and 2 alternating-current watt-hour meters

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

    Superseded date:  09-03-2020

    Language(s): 

    Published date:  01-01-1976

    Publisher:  International Electrotechnical Committee

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    Abstract - (Show below) - (Hide below)

    Applies only to newly manufactured induction type watt-hour meters of accuracy classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45 Hz to 65 Hz and to their type tests only.This publication supersedes IEC 43 (1960), 170 (1964) and 280 (1968).

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    Committee TC 13
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
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