Motor drives can control motor speed and torque in simple or complex ways. They can also efficiently meter the current used by the motor. The benefits from using a motor drive include energy savings and performance.
KB Electronics: inventories over 200 different models of off the shelf Variable Frequency Digital and Hybrid AC Drives (AC Inverters), Variable Speed DC Motor Controls, Brushless DC Drives, Battery DC to DC Controls, and Triac Fan Controls. They provide control for AC, DC, Brushless, PSC, Shaded Pole, Universal, PMSM and EC motors.
AMK: high performance/high speed centralized and motor-mounted. decentralized drives. Multi axis systems with operator interfaces using common fieldbus communication is possible. Most drives are available with integrated Safe Torque Off (STO) functionality.
JW Winco: Operating, Clamping and Machine Parts