| Name | Support | Language | Availability | Edition date | Price | ||
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PDF |
English, French |
Active |
6/26/2020 |
€431.00 |
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Details
IEC 60947-4-2:2020 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.
Additional Info
| Author | International Electrotechnical Commission (IEC) |
|---|---|
| Committee | TC 121/SC 121A |
| Published by | IEC |
| Document type | Standard |
| Edition | 4.0 |
| ICS | 29.130.20 : Low voltage switchgear and controlgear
|
| Number of pages | 230 |
| Replace | IEC 60947-4-2:2011 |
| Document history | IEC 60947-4-2:2011,IEC 60947-4-2:2011/COR1:2012 |
| Keyword | IEC60947-4-2,IEC 60947-4-2:2020,IEC 60947-4-2,TC 121/SC 121A |
