Normas IEC
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IEC
IEC 61439-5:2023/COR1:2025
En Vigor
2025-02-18
Corrigendum 1 - Low-voltage switchgear and controlgear assemblies - Part
5: Assemblies for power distribution in public networks
IEC
IEC
IEC 60255-27:2023
En Vigor
2023-02-07
Measuring relays and protection equipment - Part 27: Product safety requirements
IEC
IEC 60287-2-1:2023
En Vigor
2023-05-22
Electric cables - Calculation of the current rating - Part 2-1: Thermal
resistance - Calculation of thermal resistance
