DIN EN 60947-4-2:2013 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters (IEC 60947-4-2:2011 + Cor.: 2012); German version EN 60947-4-2:2012
2013DIN EN 60947-4-2:2013 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters (IEC 60947-4-2:2011 + Cor.: 2012); German version EN 60947-4-2:2012
2007DIN EN 60947-4-2:2007 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters (IEC 60947-4-2:1999 + A1:2001 + A2:2006); German version EN 60947-4-2:2000 + A1:2002 + A2:2006