BS EN IEC 60947-4-2:2023
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear Contactors and motor-starters. Semiconductor motor controllers, starters and soft-starter
Hardcopy , PDF
English
15-03-2023
| Committee |
PEL/121/1
|
| DocumentType |
Standard
|
| Pages |
120
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| Standards | Relationship |
| EN IEC 60947-4-2:2023 | Equivalent |
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