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IEC – The company IEC is world-leading organization, which creates and issues International standards for all electrical, electronic and other related technologies known generally as electro-technologies. Wherever, there is electricity and electronics you can find the company IEC, which promotes the safety and performance, the environment, electrical energy efficiency and renewable energy. The company IEC also administers conformity assessment systems, which certify that the equipment, systems or components comply with International Standards of this company.
Amendment 2 - Electromagnetic compatibility (EMC) - Part 4-27: Testing and measurement techniques – Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
(Amendement 2 - Compatibilite electromagnetique (CEM) - Partie 4-27: Techniques d´essai et de mesure - Essai d´immunite aux desequilibres)
Change published on 16.9.2025
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Electromagnetic compatibility (EMC) - Part 4-27: Testing and measurement techniques - Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
(Compatibilite electromagnetique (CEM) - Partie 4-27: Techniques d´essai et de mesure - Essai d´immunite aux desequilibres pour des materiels avec un courant appele n´excedant pas 16 A par phase)
Standard published on 7.4.2009
Selected format:Electromagnetic compatibility (EMC) - Part 4-27: Testing and measurement techniques – Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
Standard published on 16.9.2025
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Electromagnetic compatibility (EMC) - Part 4-28: Testing and measurement techniques - Variation of power frequency, immunity test
(Compatibilite electromagnetique (CEM) - Partie 4-28: Techniques d´essai et de mesure - Essai d´immunite a la variation de la frequence d´alimentation)
Standard published on 25.11.1999
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Amendment 1 - Electromagnetic compatibility (EMC) - Part 4-28: Testing and measurement techniques - Variation of power frequency, immunity test
(Amendement 1 - Compatibilite electromagnetique (CEM) - Partie 4-28: Techniques d´essai et de mesure - Essai d´immunite a la variation de la frequence d´alimentation)
Change published on 11.7.2001
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Amendment 2 - Electromagnetic compatibility (EMC) - Part 4-28: Testing and measurement techniques - Variation of power frequency, immunity test for equipment with input current not exceeding 16 A per phase
(Amendement 2 - Compatibilite electromagnetique (CEM) - Partie 4-28: Techniques d´essai et de mesure - Essai d´immunite a la variation de la frequence d´alimentation pour des materiels avec un courant appele n´excedant pas 16 A par phase)
Change published on 5.2.2009
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Electromagnetic compatibility (EMC) - Part 4-28: Testing and measurement techniques - Variation of power frequency, immunity test
(Compatibilite electromagnetique (CEM) - Partie 4-28: Techniques d´essai et de mesure - Essai d´immunite a la variation de la frequence d´alimentation)
Standard published on 8.7.2002
Selected format:
Electromagnetic compatibility (EMC) - Part 4-28: Testing and measurement techniques - Variation of power frequency, immunity test for equipment with input current not exceeding 16 A per phase
(Compatibilite electromagnetique (CEM) - Partie 4-28: Techniques d´essai et de mesure - Essai d´immunite a la variation de la frequence d´alimentation pour des materiels avec un courant appele n´excedant pas 16 A par phase)
Standard published on 7.4.2009
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Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
(Compatibilite electromagnetique (CEM) - Partie 4-29: Techniques d´essai et de mesure - Essais d´immunite aux creux de tension, coupures breves et varations de tension sur les acces d´alimentation en courant continu)
Standard published on 30.8.2000
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Electromagnetic compatibility (EMC) - Part 4-3 : Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
(Compatibilite electromagnetique (CEM) - Partie 4-3: Techniques d´essai et de mesure - Essai d´immunite aux champs electromagnetiques rayonnes aux frequences radioelectriques)
Standard published on 8.9.2020
Selected format:Latest update: 2026-04-23 (Number of items: 2 274 600)
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