Objavljen
Applies to line traps inserted into high-voltage a.c. transmission lines that prevent undue loss of carrier signal power in the range 30 kHz to 500 kHz under all power system conditions, and that minimize interference from carrier signalling systems on adjacent transmission lines.
POVUČEN
IEC 60353:1971 ED1
OBJAVLJEN
IEC 60353:1989 ED2
60.60
Standard objavljen
15. 11. 1989.
OBJAVLJEN
IEC 60353:1989/AMD1:2002 ED2