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IEC 60034-8 Ed. 4.0 en:2026

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

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.

CONTENT PROVIDER
International Electrotechnical Commission [iec]

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