IEC 60034-12 Ed. 3.0 b:2016

Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors

International Electrotechnical Commission , 11/23/2016

Publisher: IEC

File Format: PDF

$47.00$95.00


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.

IEC 60034-12 Ed. 3.0 b:2016 History

IEC 60034-12 Ed. 4.0 b:2024
IEC 60034-12 Ed. 3.0 b:2016
IEC 60034-12 Ed. 2.1 b:2007
IEC 60034-12 Ed. 2.0 b:2002

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