IEC 60034-8:2026 CMV

Rotating electrical machines - Part 8: Terminal markings and direction of rotation

OVERVIEW

CORRECTED VERSION 2026-07



IEC 60034-8:2026 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60034-8:2026 edition 4.0 and the previous IEC 60034-8:2007+AMD1:2014 CSV edition 3.1. Furthermore, comments from IEC TC 2 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content.



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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 2026
No. of Pages 69
ICS Classification 29.160.01 Rotating machinery in general
Committee TC 2
Available for Purchase For sale in Singapore only
Adoption IEC : 0