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Standards IEC - International electro-technical commission - Page 1133
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 63522-4-ed.1.0
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Electrical relays - Tests and measurements - Part 4: Dielectric strength test
(Relais electriques - Essais et mesurages - Partie 4: Essai de rigidite dielectrique)
Standard published on 16.12.2025
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IEC 63522-40-ed.1.0
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Electrical relays - Tests and measurements - Part 40: Short circuit testing
(Relais electriques - Essais et mesurages - Partie 40: Essais de court-circuit)
Standard published on 17.4.2025
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IEC 63522-43-ed.1.0
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Electrical relays - Tests and measurements - Part 43: Proof tracking index (PTI)
(Relais electriques - Essais et mesurages - Partie 43: Indice de tenue au cheminement (ITC))
Standard published on 2.12.2025
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IEC 63522-44-ed.1.0
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Electrical relays - Tests and measurements - Part 44: Corrosive atmosphere due to salt mist
(Relais electriques - Essais et mesurages - Partie 44: Atmosphere corrosive due au brouillard salin)
Standard published on 23.4.2025
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IEC 63522-45-ed.1.0
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Electrical relays - Tests and measurements - Part 45: Maximum frequency of operation
(Relais electriques - Essais et mesurages - Partie 45: Frequence maximale de fonctionnement)
Standard published on 26.6.2025
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IEC 63522-48-ed.1.0
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Electrical relays - Tests and measurements - Part 48: Contact failure rate test
(Relais electriques - Essais et mesurages - Partie 48 : Essai de taux de defaillance des contacts)
Standard published on 5.12.2024
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IEC 63522-48-ed.1.0/Cor.1
Correction
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Corrigendum 1 - Electrical relays - Tests and measurements - Part 48: Contact failure rate test
(Corrigendum 1 - Relais electriques - Essais et mesurages - Partie 48 : Essai de taux de defaillance des contacts)
Correction published on 24.4.2025
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IEC 63522-49-ed.1.0
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Electrical relays - Tests and measurements - Part 49: Long term stability of sealing
(Relais electriques - Essais et mesurages - Partie 49: Stabilite a long terme de l’etancheite)
Standard published on 24.4.2025
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IEC 63522-5-ed.1.0
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Electrical relays - Tests and measurements - Part 5: Insulation resistance
(Relais electriques - Essais et mesurages - Partie 5: Resistance d´isolement)
Standard published on 21.5.2025
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IEC 63522-52-ed.1.0
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Electrical relays - Tests and measurements - Part 52: Coil overvoltage
(Relais electriques - Essais et mesurages - Partie 52: Surtension aux bornes de la bobine)
Standard published on 4.3.2026
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