EN IEC 60947-4-2:2023

Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters

EN IEC 60947-4-2:2023 发布历史

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.

EN IEC 60947-4-2:2023由欧洲电工标准化委员会 IX-CENELEC 发布于 2023-03-03，并于 2023-04-11 (7) 实施，于 2026-01-11 (7) 废止。

EN IEC 60947-4-2:2023在国际标准分类中归属于: 29.130.20 低压开关装置和控制器。

EN IEC 60947-4-2:2023的历代版本如下：

• 2023年 EN IEC 60947-4-2:2023

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标准号

EN IEC 60947-4-2:2023

发布

2023年

发布单位

欧洲电工标准化委员会

当前最新

EN IEC 60947-4-2:2023

 

 

适用范围

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.

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