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

Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 121A/509/CDV:2022); German and English version prEN IEC 60947-4-1:2022

IEC 62271-106 Ed 1.0: High-voltage switchgear and controlgear - Part 106: Alternating current contactors, contactor-based controllers and motor-starters

Adjustable speed electrical power drive systems - Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM) (IEC 22G/425/CD:2020); Text in German and English

IEC 60947-4-2 Ed. 3.0: Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters

Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - Semiconductor controllers and semiconductor contactors for non-motor loads (IEC 121A/307/CDV:2019); German and Englisch version prEN IEC 60947-4-3:2019