IEC 60034-12:2016 RLV (Redline version)


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

Language: FR Machines électriques tournantes - Partie 12: Caractéristiques de démarrage des moteurs triphasés à induction à cage à une seule vitesse


Language: EN IEC 60034-12:2016 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its 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.

Language: EN
Date of issue
TC 2
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