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

Standard By:International Electrotechnical Commission , 06/26/2020

Published:06/26/2020

Pages:230

File Size:1 file , 5.1 MB

Language:English, French

Note:This product is unavailable in Ukraine, Russia, Belarus

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.