No Load Speed

This is the rotation speed when no load is applied, and for induction motors and reversible motors, it is a few percent (about 20 to 60 r/min) lower than the synchronous speed.

Speed - Torque Characteristics

(1): Starting Torque
(2): Stalling Torque
(3): Rated Torque
(4): Synchronous Speed
(5): No Load Speed
(6): Rated Speed