Specifies a test procedure to determine the thermal endurance of enamelled round wires in air at atmospheric pressure. Covers only the evaluation of thermal endurance by changes in electric strength. Is not applicable to rectangular or fibre-insulated wi
IEC 60172:1987 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