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

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

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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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.

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Edition: 4.0 Published: 06/26/2020 Number of Pages: 230 File Size: 1 file , 5.1 MB

 
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