
Specification for low-voltage switchgear and controlgear. Contactors and motor-starters. a.c. semiconductor motor controllers and starters
出版:British Standards Institution

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基本信息
标准编号: BS EN 60947-4-2:1997
发布时间:1997/1/15 0:00:00
标准类别:Standard
出版单位:British Standards Institution
标准页数:78
标准简介
Specifies 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 1000 V a.c
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 10505 published 15 February 2000
AMD 9820 published 15 April 1998
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