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.
IEC 60137:1962 history
2018IEC 60137:2017/COR1:2018 Insulated bushings for alternating voltages above 1 000 V (Edition 7.0)
0000 IEC 60137:2017 RLV
2008IEC 60137:2008 Insulated bushings for alternating voltages above 1000 V
2003IEC 60137:2003 Insulated bushings for alternating voltages above 1000 V
1970IEC 60137:1995/COR1:1996 Corrigendum 1 - Insulating bushings for alternating voltages above 1000 V
1995IEC 60137:1995 Insulated Bushings for Alternating Voltages Above 1000 V (Edition 4.0; Corrigendum-03/1996)
1984IEC 60137:1984 Bushings for alternating voltages above 1 000 V
1970IEC 60137:1973 Bushings for alternating voltages above 1000 V.
1970IEC 60137:1962 Bushings for alternating voltages above 1 000 V