Revidiran
Specifies general requirements for fast transient disturbance tests of static measuring relays and protection equipment with or without output contacts.
POVUČEN
IEC 60255-22-4:1992 ED1
99.60
Povlačenje stupilo na snagu
5. 4. 2002.
POVUČEN
IEC 60255-22-4:2002 ED2