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IEC 60947-4-2:2020+AMD1:2024 CSV

Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters

Standard Details

IEC 60947-4-2:2020+AMD1:2024 CSV applies to semiconductor motor controllers, starters and soft-starters which can include a series mechanical switching device, intended to be connected to circuits the rated voltage of which does not exceed 1 000 V AC. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- scope exclusions;
- editorial correction of notes and hanging paragraphs;
- reference to IEC 62683-1;
- safety aspects related to:
- general aspects;
- limited energy circuits;
- electronic circuits;
- mention of dedicated wiring accessories;
- power consumption measurement;
- alignment to IEC 60947-1:2020.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 60947-4-2:2020+AMD1:2024 CSV
Document Year: 2024
Pages: 228
Edition: 4.1
  • ICS:
  • 29.130.20 Low voltage switchgear and controlgear

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IEC 60947-4-2:2020+AMD1:2024 CSV
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