PUBLISHED
IEC 60034-18-31:2012 ED2
PROJECT
IEC 60034-18-31 ED3
40.20
DIS ballot initiated: 12 weeks
Jan 30, 2026
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
40.20 DIS ballot initiated: 12 weeks
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