IEC 60947-4-2:2020
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters
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06-26-2020
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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.
| Committee |
TC 121/SC 121A
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-8451-3
|
| Pages |
262
|
| ProductNote |
THIS STANDARD ALSO REFERS TO IEC 60417,IEC TS 630582,ISO/IEC 82079-1,
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DS/EN IEC 60947-4-2:2023 | Identical |
| IS/IEC 60947 : Part 4 : Sec 2 : 2020 | Identical |
| PN-EN IEC 60947-4-2:2023-09 | Identical |
| SS-EN IEC 60947-4-2, UTG 4:2023 | Identical |
| DIN EN IEC 60947-4-2:2024-02 | Identical |
| OVE EN IEC 60947-4-2:2024 03 01 | Identical |
| VDE 0660-117:2024-02 | Identical |
| UNE-EN IEC 60947-4-2:2023 | Identical |
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