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IEC
IEC 61800-1:2021
En Vigor
2021-01-19
Adjustable speed electrical power drive systems - Part 1: General
requirements - Rating specifications for low voltage adjustable speed DC
power drive systems
IEC
IEC 60050-121:1998/AMD4:2021
En Vigor
2021-01-19
Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part
121: Electromagnetism
IEC
IEC 60747-17:2020/COR1:2021
En Vigor
2021-01-19
Corrigendum 1 - Semiconductor devices - Part 17: Magnetic and capacitive
coupler for basic and reinforced insulation
IEC
IEC 61169-15:2021
En Vigor
2021-01-19
Radio-frequency connectors - Part 15: Sectional specification - RF
coaxial connectors with inner diameter of outer conductor 4,13 mm (0,163
in) with threaded coupling - Characteristic impedance 50 Ω (type SMA)
IEC
IEC 61169-65:2021
En Vigor
2021-01-19
Radio-frequency connectors - Part 65: Sectional specification for RF
coaxial connectors, 1,35 mm inner diameter of outer conductor, with
screw-coupling, characteristic impedance 50 Ω
IEC
IEC 60076-22-5:2021
En Vigor
2021-01-18
Power transformers - Part 22-5: Power transformer and reactor fittings -
Electric pumps for transformers
IEC
IEC TR 60601-4-5:2021
En Vigor
2021-01-18
Medical electrical equipment - Part 4-5: Guidance and interpretation -
Safety-related technical security specifications
IEC
IEC 60076-22-6:2021
En Vigor
2021-01-18
Power transformers - Part 22-6: Power transformer and reactor fittings -
Electric fans for transformers
