Applies to switching impulse tests on insulators intended for use on a.c. installations with highest voltage 300 kV and above. Defines switching impulse characteristics of insulators and prescribes the conditions under which the specified values of these characteristics shall be verified. Prescribes methods for switching impulse tests on insulators under standard conditions.
WITHDRAWN
IEC 60506:1975 ED1
95.99
Withdrawal of Standard
Mar 7, 1997
ABANDON
IEC 60506 ED2