| Publication CODE |
Title |
| IEC 60947-4-2:2020 (2020-06) |
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-2: CONTACTORS AND MOTOR-STARTERS - SEMICONDUCTOR MOTOR CONTROLLERS, STARTERS AND SOFT-STARTERS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
398.00 €
|
230. |
Description
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.
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Committee |
TC 121/SC 121A
Low-voltage switchgear and controlgear
|
| Responsible |
Ir DELENS Marc
|
| BEC Approval |
2020-06-26 |
| ICS-Code (International Standards Classification) |
29.130.20
|
| NBN Status |
New |
|
| IEC publication date |
2020-06-26 |
| IEC stability date |
2024-12-31 |
| IEC file modification date |
2020-06-26 |
| IEC last modification date |
2020-06-26 |
|
