Objavljen
Specifies classes for environmental conditions under which telecontrol equipment has to operate.
POVUČEN
IEC 60870-2-1:1987 ED1
OBJAVLJEN
IEC 60870-2-1:1995 ED2
60.60
Standard objavljen
8. 12. 1995.
PROJEKAT
IEC 60870-2-1 ED3