
Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters
NORMA vydaná dňa 5.11.2024
Designation standards: IEC 60947-4-2-ed.4.1+Amd.1-CSV
Publication date standards: 5.11.2024
The number of pages: 228
Approximate weight : 715 g (1.58 lbs)
Country: International technical standard
Kategória: Technické normy IEC
IEC 60947-4-2:2020+AMD1:2024 CSV 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.