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 Information
Published:
06/26/2020
Pages:
230
File Size:
1 file , 5.1 MB
Language:
English, French
Note:
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