What are IEC value-added products?
Share by email

IEC 60947-4-2 Consolidated version

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
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.
CONSOLIDATED VERSION
English

Technical committee

TC 121/SC 121A Low-voltage switchgear and controlgear

Category

Electromagnetic Compatibility - Safety
Publication typeInternational Standard
Publication date2024-11-05
Edition4.1
ICS

29.130.20

Stability date2027
ISBN number9782832700006
Pages228
File size5.48 MB
EditionDatePublicationEditionStatus

  • Achieve food security and promote sustainable agriculture

  • Achieve food security and promote sustainable agriculture

  • Ensure healthy lives and promote well-being for all

  • Ensure inclusive and equitable quality education

  • Ensure availability and sustainable management of water and sanitation for all

  • Promote inclusive and sustainable economic growth, full and productive employment and decent work for all

  • Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation

  • Make cities and human settlements inclusive, safe, resilient and sustainable

  • Ensure sustainable consumption and production patterns

  • Take urgent action to combat climate change and its impacts

  • Conserve and sustainably use ocean, sea and marine resources

  • Strengthen the means of implementation and revitalize the global partnership for sustainable development

See more

Related publications

Related test report forms