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Standards IEC - International electro-technical commission - Page 474
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 60947-1-ed.6.0/Cor.2
Correction
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Corrigendum 2 - Low-voltage switchgear and controlgear - Part 1: General rules
(Corrigendum 2 - Appareillage a basse tension - Partie 1: Regles generales)
Correction published on 29.4.2024
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IEC 60947-2-ed.6.0
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Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
(Appareillage a basse tension - Partie 2: Disjoncteurs)
Standard published on 18.9.2024
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IEC 60947-2-ed.6.0-RLV
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Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
Standard published on 10.10.2024
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IEC 60947-3-ed.4.0
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Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
(Appareillage a basse tension - Partie 3: Interrupteurs, sectionneurs, interrupteurs-sectionneurs et combines-fusibles)
Standard published on 22.4.2020
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IEC 60947-3-ed.4.0/Amd.1
Change
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Amendment 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
(Amendement 1 - Appareillage a basse tension - Partie 3: Interrupteurs, sectionneurs, interrupteurs-sectionneurs et combines-fusibles)
Change published on 25.4.2025
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IEC 60947-3-ed.4.0/Cor.1
Correction
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Corrigendum 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
(Corrigendum 1 - Appareillage a basse tension - Partie 3: Interrupteurs, sectionneurs, interrupteurs-sectionneurs et combines-fusibles)
Correction published on 22.10.2021
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IEC 60947-3-ed.4.1+Amd.1-CSV
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Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
Standard published on 25.4.2025
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IEC 60947-4-1-ed.5.0
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Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
(Appareillage a basse tension - Partie 4-1: Contacteurs et demarreurs de moteurs – Contacteurs et demarreurs electromecaniques)
Standard published on 8.11.2023
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IEC 60947-4-1-ed.5.0/Cor.1
Correction
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Corrigendum 1 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
(Corrigendum 1 - Appareillage a basse tension - Partie 4-1: Contacteurs et demarreurs de moteurs - Contacteurs et demarreurs electromecaniques)
Correction published on 16.3.2026
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IEC 60947-4-2-ed.4.0
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Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters
(Appareillage a basse tension - Partie 4-2: Contacteurs et demarreurs de moteurs - Gradateurs, demarreurs et demarreurs progressifs de moteurs a semiconducteurs)
Standard published on 26.6.2020
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