Revised
Applicable to bushings which are supplied separately, intended for use in electrical apparatus and installations, for three-phase alternating current systems, having rated voltages above 1 000 V and frequencies between 15 Hz to 60 Hz.
WITHDRAWN
IEC 60137:1962 ED1
99.60
Withdrawal effective
Nov 19, 2016
WITHDRAWN
IEC 60137:1973 ED2