CSM SERVO MOTOR SERIES...
Energy Efficient – Saves up to 70% Electricity
The CSM2001 is the 220 volt version, 3/4 HP (550 Watt) Brushless Servo Motor, with the Synchronizer (Needle Positioner.)
The CSM2000 is this motor with the Synchonizer.
(see picture 2 for chart of all CSM motors and picture 3 for view of synchronizer)