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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

standard by International Electrotechnical Commission , 06/26/2020

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Full 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.
 

Product Details

Edition:
4.0
Published:
06/26/2020
Number of Pages:
230
File Size:
1 file , 5.1 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus, Canada
 

Document History

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

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

    • Most Recent

  2. IEC 60947-4-2 Ed. 3.0 b:2011


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

    • Historical Version

  3. IEC 60947-4-2 Ed. 2.2 b:2007


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

    • Historical Version

  4. IEC 60947-4-2 Ed. 2.1 b:2002


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

    • Historical Version