This is Amendment 1 to IEC 60172-1987 (Test procedure for the determination of the temperature index of enamelled winding wires)
IEC 60172:1987/AMD1:1997 history
0000 IEC 60172:2020 RLV
2015IEC 60172:2015 Test procedure for the determination of the temperature index of enamelled and tape wrapped winding wires
2010IEC 60172:1987/AMD2:2010 Test procedure for the determination of the temperature index of enamelled winding wires; Amendment 2
1997IEC 60172:1987/AMD1:1997 Test procedure for the determination of the temperature index of enamelled winding wires; Amendment 1
1987IEC 60172:1987 Test procedure for the determination of the temperature index of enamelled winding wires
1970IEC 60172:1981 Test procedure for the determination of the temperature index of enamelled winding wires
1970IEC 60172:1966 Test procedure for the evaluation of the thermal endurance of enamelled wire by the lowering of the electric strength between twisted wires