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Standard

NEK IEC 60034-12:2016

Withdrawn

Note: This standard has a new edition: NEK IEC 60034-12:2024

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Abstract

IEC 60034-12:2016 is now available as IEC 60034-12:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60034-12:2016 specifies the parameters for eight designs of starting performance of single-speed three-phase 50 Hz or 60 Hz cage induction motors in accordance with IEC 60034-1 that:- have a rated voltage up to 1 000 V;- are intended for direct-on-line or star-delta starting;- are rated on the basis of duty type S1;- are constructed to any degree of protection and explosion protection. The main changes with respect to the previous edition are as follows:- new design letter E for extended efficiency motors, explanation of all design letters, and description of new designs NE, NEY, HE, and HEY;- addition of a reference to IEC 60079-7;- addition of a formula to calculate locked rotor current from apparent power.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 3.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 29.160.01
  • National Committee NEK/NK2

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