Standard

IEC 60947-4-2:2020 ED4

Jun 2020 Current

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Language English/French

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Abstract

IEC 60947-4-2:2020 applies to semiconductor motor controllers, starters and soft-starters which can include a series mechanical switching device, intended to be connected to circuits the rated voltage of which does not exceed 1 000 V AC. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - scope exclusions; - editorial correction of notes and hanging paragraphs; - reference to IEC 62683-1; - safety aspects related to: - general aspects; - limited energy circuits; - electronic circuits; - mention of dedicated wiring accessories; - power consumption measurement; - alignment to IEC 60947-1:2020.

Products specifications

Standard from IEC
Published: June 26 2020
Edition: 4
Document type: IS
Pages
ISBN: 9782832284513

Publisher: IEC
Distributor: IEC
ICS: 29.130.20
International TC: TC 121/SC 121A

Product Relations

Adopted by: NF EN IEC 60947-4-2:2023
Adopted by: SN EN IEC 60947-4-2:2023
Revises: IEC 60947-4-2:2011 ED3

IEC 60947-4-2:2020 ED4

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