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[PDF] IEC 62631-3-4:2019 gratis

Fecha de publicación: 28/03/2019 Dielectric and resistive properties of solid insulating materials – Part 3-4: Determination of resistive properties (DC methods) – Volume resistance and volume resistivity at elevated temperatures IEC 62631-3-4:2019

[PDF] IEC 60050-171:2019 gratis

Fecha de publicación: 29/03/2019 International Electrotechnical Vocabulary (IEV) – Part 171: Digital technology – Fundamental concepts IEC 60050-171:2019

[PDF] IEC 63093-14:2019 gratis

Fecha de publicación: 04/04/2019 Ferrite cores – Guidelines on dimensions and the limits of surface irregularities – Part 14: EFD-cores IEC 63093-14:2019

[PDF] IEC 63093-12:2019 gratis

Fecha de publicación: 04/04/2019 Ferrite cores – Guidelines on dimensions and the limits of surface irregularities – Part 12: Ring-cores IEC 63093-12:2019

[PDF] IEC 61952-1:2019 gratis

Fecha de publicación: 04/04/2019 Insulators for overhead lines – Composite line post insulators for AC systems with a nominal voltage greater than 1 000 V – Part 1: definitions, end fittings and designations IEC 61952-1:2019

[PDF] IEC 60480:2019 gratis

Fecha de publicación: 04/04/2019 Specifications for the re-use of sulphur hexafluoride (SF6) and its mixtures in electrical equipment IEC 60480:2019

[PDF] IEC 60898-3:2019 gratis

Fecha de publicación: 05/04/2019 Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations – Part 3: Circuit-breakers for DC operation IEC 60898-3:2019

[PDF] IEC 61754-7-3:2019 gratis

Fecha de publicación: 05/04/2019 Fibre optic interconnecting devices and passive components – Fibre optic connector interfaces – Part 7-3: Type MPO connector family – Two fibre rows 16 fibre wide IEC 61754-7-3:2019