Revidiran
States, for electromechanical all-or-nothing relays, special terms and definitions used, and test and measurement procedures.
POVUČEN
IEC 60255-7:1991 ED2
POVUČEN
IEC 61810-7:1997 ED1
99.60
Povlačenje stupilo na snagu
14. 3. 2006.
OBJAVLJEN
IEC 61810-7:2006 ED2