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  IEC 61869-20 Ed. 1.0 b:2025

  IEC 61869-20 Ed. 1.0 b:2025 Instrument transformers – Part 20: Safety requirements of instrument transformers for high voltage applications standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 63522-28 Ed. 1.0 b:2025

  IEC 63522-28 Ed. 1.0 b:2025 Electrical relays - Tests and measurement - Part 28: Thermoelectric electromotive force (e.m.f.) standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 62047-46 Ed. 1.0 en:2025

  IEC 62047-46 Ed. 1.0 en:2025 Semiconductor devices - Micro-electromechanical devices - Part 46: Silicon based MEMS fabrication technology - Measurement method of tensile strength of nanoscale thickness membrane standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 63522-48 Ed. 1.0 b Cor.1:2025

  IEC 63522-48 Ed. 1.0 b Cor.1:2025 Corrigendum 1 - Electrical relays - Tests and measurements - Part 48: Contact failure rate test Amendment byInternational Electrotechnical Commission , 04/01/2025

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  IEC 61400-12-3 Ed. 1.0 b Cor.1:2025

  IEC 61400-12-3 Ed. 1.0 b Cor.1:2025 Corrigendum 1 - Wind energy generation systems - Part 12-3: Power performance - Measurement based site calibration Amendment byInternational Electrotechnical Commission , 04/01/2025

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  IEC 60092-376 Ed. 4.0 en:2025

  IEC 60092-376 Ed. 4.0 en:2025 Electrical installations in ships - Part 376: Cables for control and instrumentation circuits 150/250 V (300 V) standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 63171 Ed. 2.0 b:2025

  IEC 63171 Ed. 2.0 b:2025 Connectors for electrical and electronic equipment - Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity - General requirements and tests standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 63522-22 Ed. 1.0 b:2025

  IEC 63522-22 Ed. 1.0 b:2025 Electrical relays - Tests and measurements - Part 22: Limiting continuous current standard byInternational Electrotechnical Commission , 04/01/2025

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  IEC 62271-214 Ed. 2.0 b Cor.1:2025

  IEC 62271-214 Ed. 2.0 b Cor.1:2025 Corrigendum 1 - High-voltage switchgear and controlgear - Part 214: Internal arc classification for AC metal-enclosed pole-mounted switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV Amendment byInternational Electrotechnical Commission , 04/01/2025

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  IEC 63522-27 Ed. 1.0 b:2025

  IEC 63522-27 Ed. 1.0 b:2025 Electrical relays - Testing and measurement - Part 27: Electrical contact noise standard byInternational Electrotechnical Commission , 04/01/2025

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