Revised
IEC 60317-0-4:1990/AMD2:1993 ED1
IEC 60317-0-4:1990/AMD1:1992 ED1
IEC 60317-0-4:1990 ED1
IEC 60317-0-4:1997 ED2
IEC 60317-0-4:1997/AMD1:1999 ED2
IEC 60317-0-4:1997/AMD2:2005 ED2
IEC 60317-0-4:2015 ED3