IEC 60034-18-31 ED3

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

Current stage: 50.00 Final text received or FDIS registered for formal approval Oct 22, 2026

Next stage: RFDIS Next stage date : Nov 12, 2026

Originator: IEC

Owner: TC 2

Type: International Standard

ICS: 29.160.01 Rotating machinery in general

IN_DEVELOPMENT
IEC 60034-18-31 ED3
50.00 Final text received or FDIS registered for formal approval
Oct 22, 2026