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IEC 60034-1 Ed. 15.0 en:2026

Rotating electrical machines - Part 1: Rating and performance
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IEC 60034-1 Ed. 15.0 en:2026

Rotating electrical machines - Part 1: Rating and performance

IEC 60034-1 Ed. 15.0 en:2026

IEC 60034-1:2026 is available as IEC 60034-1:2026 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60034-1:2026 is applicable to all rotating electric machines, except rotating electric machines for rail and road vehicles, which are covered by the IEC 60349 series of standards. Machines with integrated EMC-active components such as a variable frequency converter are considered being a power drive system (see the IEC 61800 series of standards). In such cases, this document applies to the motor component of the power drive system only. Machines within the scope of this document can also be subject to superseding, modifying or additional requirements in other standards, for example, IEC 60079 and IEC 60092.

NOTE If particular clauses of this document are modified to meet special applications, for example machines subject to radioactivity or machines for aerospace, all other clauses apply insofar as they are compatible. This fifteenth edition cancels and replaces the fourteenth edition published in 2022. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

  • Clause 1: Clarification with respect to machines with integrated EMC-active components added
  • Clause 2: Normative references updated
  • Clause 3: Note on meaning of ā€œagreementā€ deleted; list of abbreviations added
  • Clause 4.2.9, 4.2.10: References to IEC TS 60034-25 deleted, as converter duty is now defined in 3.36
  • Clause 5.1: Reference to IEC TS 60034-25 converted into note
  • Clause 6.6: Clarification of requirements
  • Clause 7.2.1: Reference to IEC TS 60034-25 converted into note
  • Clause 7.5: Clarification of requirements
  • Clause 7.6: Reference to IEC TS 60034-25 converted into note
  • Clause 8.1: Clarification of references
  • Clause 8.6.1: Clarification on choice of method for large machines
  • Table 11: Updated values for thermal class 200 (N)
  • Clause 8.10.3: Clarification of requirements
  • Clause 9.2: Clarification on test voltage for old machines after rewinding
  • Table 17: Items 9 and 10 merged and clarified
  • Clause 9.7: Clarification on overspeed test for machines held at stock added
  • Table 20: Clarification on test speed for converter duty machines
  • Clause 10.2: Clarification of term ā€˜digital form’
  • Clause 10.3: Note on QR code deleted
  • Clause 11.1: Reference to protective earth test added
  • Clause 13.1: Clarifying flowchart added
  • Clause 13.2.2: Clarification on motors with integrated VSD added
  • Clause 13.3: Clarification of requirements after consultation with ACEC
  • Clause 13.5: Clarification of requirements after consultation with ACEC
  • Clause 14: Note on safety converted to normal text
SDO IEC: International Electrotechnical Commission
Document Number IEC 60034
Publication Date Not Available
Language en - English
Page Count 88
Revision Level 15.0
Supercedes
Committee 2
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