AC Drives

AC Variable Frequency Drives (VFD) control the speed of an AC Induction motor by varying both the voltage and frequency of its output power to the motor. They only work with 3-phase motors, not single-phase motors. 

Caldwell Electric is an authorized distributor for Lenze / AC Tech drives. We have been repairing and selling electric motors and motor controls for more than 40 years and can offer expertise in selecting drives for specific applications as well as diagnosing problems with motors and motor control systems.