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IEC

PDF Standards IEC 60364-5-53 Amd.1 Ed. 4.0 b:2020

Amendment 1 – Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring
Amendment by International Electrotechnical Commission, 12/10/2020

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IEC

PDF Standards IEC 60404-2 Ed. 3.1 b:2008

Magnetic materials – Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 06/25/2008

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IEC

PDF Standards IEC 60287-3-1 Ed. 1.1 b:1999

Electric cables – Calculation of the current rating – Part 3-1: Sections on operating conditions – Reference operating conditions and selection of cable type CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 05/31/1999

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