IEC 60947-4-2
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.
Technical committee
TC 121/SC 121A Low-voltage switchgear and controlgearCategory
EMC - Safety| Publication type | International Standard |
| Publication date | 2020-06-26 |
| Edition | 4.0 |
| ICS | 29.130.20 |
| Stability date | 2024 |
| ISBN number | 9782832284513 |
| Pages | 230 |
| File size | 5.13 MB |
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