Revidert
IEC 60947-2:1989/AMD1:1992 ED1
IEC 60947-2:1995+AMD1:1997+AMD2:2001 CSV
IEC 60947-2:1995/COR1:1997
IEC 60947-2:1995+AMD1:1997 CSV
IEC 60947-2:1995 ED2