PUBLISHED
IEC 60034-18-31:2012 ED2
PROJECT
IEC 60034-18-31 ED3
40.00
DIS registered
Dec 12, 2025
Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines
10.99 New project approved