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IEC
IEC 61869-20:2025
En Vigor
2025-04-16
Instrument transformers – Part 20: Safety requirements of instrument
transformers for high voltage applications
IEC
IEC 60051-1:2016
En Vigor
2016-02-03
Direct acting indicating analogue electrical measuring instruments and
their accessories - Part 1: Definitions and general requirements common
to all parts
IEC
IEC 60050-102:2007
En Vigor
2007-08-27
International Electrotechnical Vocabulary (IEV) - Part 102: Mathematics
- General concepts and linear algebra
IEC
IEC 60269-7:2021
En Vigor
2021-12-15
Low-voltage fuses - Part 7: Supplementary requirements for fuse-links
for the protection of batteries and battery systems
