IEC 60947-4-2:2020 低压开关设备和控制设备第4-2部分:接触器和电动机起动器半导体电动机控制器、起动器和软起动器

标准编号：IEC 60947-4-2:2020

中文名称：低压开关设备和控制设备第4-2部分:接触器和电动机起动器半导体电动机控制器、起动器和软起动器

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

发布日期：2020-06-26

标准范围

IEC 60947-4-2:20 20适用于半导体电机控制器、起动器和软起动器，其可以包括串联机械开关装置，旨在连接到额定电压不超过1000 V AC的电路。这第四版取消并取代了2011年出版的第三版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:-范围排除；-对说明和执行段落的编辑更正；-参考IEC 62683-1；-与以下方面相关的安全性方面:-一般方面；-有限能量电路；-电子电路；-提及专用接线附件；-功耗测量；-符合IEC 60947-1:20 20。

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.

标准预览图