IEC 60521:1976
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
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01-01-1976
09-03-2020
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).
| Committee |
TC 13
|
| DocumentType |
Standard
|
| Pages |
31
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
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