Revised
Specifies requirements for gas-insulated metal-enclosed switchgear in which the insulation is obtained, at least partly, by an insulating gas other than air at atmospheric pressure, for alternating current of rated voltages of 72.5 kV and above, for indoor and outdoor installation, and for service frequencies up to and including 60 Hz. For the purpose of this standard the term
WITHDRAWN
IEC 60517:1975 ED1
99.60
Withdrawal effective
Nov 19, 2016
WITHDRAWN
IEC 60517:1975/AMD1:1977 ED1
WITHDRAWN
IEC 60517:1975/AMD2:1982 ED1
WITHDRAWN
IEC 60517:1975/AMD3:1983 ED1
WITHDRAWN
IEC 60517:1986 ED2