This Korean Industrial Standard specifies the low-voltage three-phase squirrel-cage induction motor for general purpose (hereinafter referred to as "motor") with continuous rating of 60 Hz in frequency and not more than 600 V in voltage to be used at a place of not more than 40°C in coolant temperature.
Remark Corresponding international standards to this standard are as follows : IEC 34-1 Rotating electrical machines Part 1. Rating and performance IEC 34-9 Rotating electrical machines Part 9. Noise limits IEC 34-12 Rotating electrical machines Part 12. Starting performance of
single-speed three-phase cage induction motors for voltages up to and including 660V IEC 72 Dimensions and output ratings for rotating electrical machines-
Frame numbers 56 to 400 and flange numbers FF 55 to FF 1080 and FT 55 to FT 1080