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IEC

IEC 60947-4-1:2023

En Vigor
2023-11-08
Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
IEC

IEC 60510-2-7:1989

En Vigor
1989-01-30
Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Seven: High-power amplifier
IEC

IEC 61290-3-3:2013

En Vigor
2013-11-07
Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio
IEC

IEC 60754-2:2011/AMD1:2019

En Vigor
2019-11-25
Amendment 1 - Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity