IEC 60947-4-2 Ed. 2.0被替代
Low-voltage switchgear and controlgear Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 60947-4-2 Ed. 2.0
发布时间：1999/12/17 0:00:00
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：155
标准简介
Applies to controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c.
