Revidert
IEC 60947-4-3:1999 ED1
IEC 60947-4-3:1999/COR1:2000 ED1
IEC 60947-4-3:1999/AMD1:2006 ED1
IEC 60947-4-3:1999/AMD2:2011 ED1
IEC 60947-4-3:2014 ED2