IEC 60521:1976
Class 0.5, 1 and 2 alternating-current watt-hour meters
OVERVIEW
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).
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 02 Jan 2026 |
|---|---|
| Edition | 1976 |
| No. of Pages | 51 |
| ICS Classification | 91.140.50 Electricity supply systems |
| Committee | TC 13 |
| Available for Purchase | For sale in Singapore only |
| Adoption | IEC : 0 |