2020IEC 60947-4-2:2020 Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters
2012IEC 60947-4-2:2011/COR1:2012 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters; Corrigendum 1
2011IEC 60947-4-2:2011 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
2007IEC 60947-4-2:2007 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
1970IEC 60947-4-2:1999/AMD2:2006 Amendment 2 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
1970IEC 60947-4-2:1999/AMD1:2001/COR1:2002 Corrigendum 1 to Amendment 1 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
2002IEC 60947-4-2:2002 Low-voltage switchgear and controlgear-Part4-2:Contactors and motor-starters-AC semiconductor motor controllers and starters (including soft-starter)
1970IEC 60947-4-2:1999/AMD1:2001 Amendment 1 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
1970IEC 60947-4-2:1995/AMD2:1998/COR1:1999 Corrigendum 1 - Amendment 2 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
1999IEC 60947-4-2:1999 Low-Voltage Switchgear and Controlgear - Part 4-2: Contactors and Motor-Starters - AC Semiconductor Motor Controllers and Starters (Edition 2.0; Amendment 1: 10-2001; Corrigendum 1: March 2002)
1970IEC 60947-4-2:1995/AMD2:1998 Amendment 2 - Low-voltage switchgear and controlgear - Part 4: Contactors and motor-starters - Section 2: AC semiconductor motor controllers and starters
1970IEC 60947-4-2:1995/AMD1:1997 Amendment 1 - Low-voltage switchgear and controlgear - Part 4: Contactors and motor-starters - Section 2: AC semiconductor motor controllers and starters
1995IEC 60947-4-2:1995 Low-Voltage Switchgear and Controlgear Part 4: Contactors and Motor-Starters Section 2: AC Semiconductor Motor Controllers and Starters (Edition 1.0; CENELEC EN 60 947-4-2: 1996)