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Standards IEC - International electro-technical commission - Page 363
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.
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IEC 60721-3-4-ed.3.0
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Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations
(Classification des conditions d´environnement - Partie 3-4: Classification des groupements des agents d´environnement et de leurs severites - Utilisation a poste fixe, non protege contre les intemperies)
Standard published on 22.5.2019
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IEC 60721-3-4-ed.3.0/Cor.1
Correction
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Corrigendum 1 - Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations
(Corrigendum 1 - Classification des conditions d´environnement - Partie 3-4: Classification des groupements des agents d´environnement et de leurs severites - Utilisation a poste fixe, non protege contre les intemperies)
Correction published on 24.7.2023
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IEC 60721-3-5-ed.3.0
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Classification of environmental conditions - Part 3-5: Classification of groups of environmental parameters and their severities - Ground vehicle installations
(Classification des conditions d´environnement - Partie 3-5: Classification des groupements des agents d´environnement et de leurs severites -Installations de vehicules terrestres)
Standard published on 14.1.2026
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IEC 60721-3-6-ed.2.0
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Classification of environmental conditions - Part 3-6: Classification of groups of environmental parameters and their severities - Ship environments
(Classification des conditions d´environnement - Partie 3-6: Classification des groupements des agents d´environnement et de leurs severites - Environnement des navires)
Standard published on 2.7.2025
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IEC 60721-3-7-ed.3.0
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Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
(Classification des conditions d´environnement - Partie 3-7: Classification des groupements des agents d´environnement et de leurs severites - Utilisation en deplacement)
Standard published on 6.2.2026
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IEC 60721-3-9-ed.2.0
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Classification of environmental conditions - Part 3-9: Classification of groups of environmental parameters and their severities - Microclimates inside products
(Classification des conditions d´environnement - Partie 3-9: Classification des groupements des agents d´environnement et de leurs severites - Microclimats a l´interieur des produits)
Standard published on 11.4.2024
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IEC/TR 60721-4-0-ed.1.0
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Classification of environmental conditions - Part 4-0: Guidance for the correlation and transformation of the environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Introduction
(Classification des conditions d´environnement - Partie 4-0: Guide pour la correlation et la transformation des classes de conditions d´environnement de la CEI 60721-3 en essais d´environnement de la CEI 60068 - Introduction)
Standard published on 16.8.2002
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IEC/TS 60721-4-3-ed.1.0
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Classification of environmental conditions - Part 4-3: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Stationary use at weatherprotected locations
Standard published on 27.7.2023
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IEC/TR 60721-4-5-ed.1.0
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Classification of environmental conditions - Part 4-5: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ground vehicle installations
(Classification des conditions d´environnement - Partie 4-5: Guide pour la correlation et des transformation des classes de conditions d´environnement de la CEI 60721-3 en essais d´environnement de la CEI 60068 - Installations des vehicules terrestres)
Standard published on 30.3.2001
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IEC/TR 60721-4-5-ed.1.0/Amd.1
Change
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Amendment 1 - Classification of environmental conditions - Part 4-5: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ground vehicle installations
(Amendement 1 - Classification des conditions d´environnement - Partie 4-5: Guide pour la correlation et des transformation des classes de conditions d´environnement de la CEI 60721-3 en essais d´environnement de la CEI 60068 - Installations des vehicules terrestres)
Change published on 22.5.2003
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