DIN EN IEC 60947-4-1:2020 Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 60947-4-1:2018); German version EN IEC 60947-4-1:2019
2021DIN EN IEC 60947-4-1 Berichtigung 2:2021 Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 60947-4-1:2018/COR2:2021); German version EN IEC 60947-4-1:2019/AC:2021-04
2020DIN EN IEC 60947-4-1:2020 Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 60947-4-1:2018); German version EN IEC 60947-4-1:2019