IEC 60034-30:2008 specifies efficiency classes for single-speed, three-phase, 50 Hz and 60 Hz, cage-induction motors.
IEC 60034-30 Ed. 1.0 b:2008
Original price was: $97.00.$48.00Current price is: $48.00.
Rotating electrical machines – Part 30: Efficiency classes of single-speed, three-phase, cage-induction motors (IE-code)
International Electrotechnical Commission , 10/21/2008
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