IEC 60947-4-2 Ed. 4.0 b:2020

Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters

International Electrotechnical Commission , 06/26/2020

Publisher: IEC

File Format: PDF

$227.00$455.00

Description

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.

Published: 06/26/2020

Pages: 230

File Size: 1 file , 5.1 MB

Language: English, French

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