We have introduced a new low voltage NEMA motors SIE series that comply with the NEMA Premium requirements. Our NEMA Premiumâ„¢ efficiency electric motors refer to 1-speed, polyphase, 1-250 HP, 2, 4, and 6 poles, NEMA Design A or B, continuous rated, squirrel cage induction motors. Our motors are designed for long life and reliable operation in most extreme industrial applications.