IEC 60947-4-2 Ed. 4.0 b PDF

Description

IEC 60947-4-2 Ed. 4.0 b – Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – AC semiconductor motor controllers and starters

IEC 60947-4-2:2020 applies to a.c. semiconductor motor 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. This standard characterizes a.c. semiconductor motor controllers and starters with and without bypass means.

Product Details

Edition:

4.0

Published:

06/26/2020

Number of Pages:

230

File Size:

1 file , 5.1 MB

Note:

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