Project
Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters (IEC 121A/562/CDV:2023); German and English version EN IEC 60947-4-2:2023/prA1:2023
Abstract
This amendment includes the following significant technical changes with respect to the current edition: Requirement for starter intended to be used with high efficiency motors; requirements and tests for abnormal conditions equivalent to Annex DVE of the UL version; alignment to the EMC environments defined in IEC TR 63216 and more detailed emission limit requirements; reference to IEC TS 63058 for environmental information and reference to IEC 63404 for the integration of radio communication.
Begin
2023-06-29
Planned document number
DIN EN IEC 60947-4-2/A1
Project number
02231669
