Draft
CORRECTED VERSION 2026-07
IEC 60034-8:2026 applies to AC and DC machines and specifies:
a) rules for the identification of winding connection points;
b) marking of winding terminals;
c) direction of rotation;
d) relationship between terminal markings and direction of rotation;
e) terminal marking of auxiliary devices;
f) connection diagrams of machines for common applications.
This fourth edition cancels and replaces the third edition published in 2007 and Amendment 1:2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) The inclusion of turbine-type synchronous machines in the scope.
The content of the corrigendum 1 (2026-07) has been included in this copy.
Legislation related to this standard
Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
IN_DEVELOPMENT
EN IEC 60034-8:2026
60.55
Ratification completed (DOR)
Jul 7, 2026
IN_DEVELOPMENT
prEN IEC 60034-8:2025/prAA
