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ACCU-Series™ Variable Speed Products


With the ACCU-Series line, customers can easily match a U.S. MOTORS® brand inverter duty motor with a Nidec drive or panel, or purchase integrated motors and controls. These solution-driven products, designed to be used together as a system, make it easy for the customer to choose compatible motors and drives that are engineered to work together for better, more reliable performance. 

By offering all components of the drive system, Nidec also gives the customer a single point of contact for support and service. And, by matching a new U.S. MOTORS brand inverter duty motor with a drive in the ACCU-Series line, a customer can enjoy the benefits of a motor match warranty that extends the drive warranty to match that of the motor.


Motors specifically designed to run in variable speed applications.  These motors are designed for the application requirements of variable speed drive systems. 

Constant Torque: motors specifically designed to handle constant torque loads, such as conveyors, positive displacement pumps, cranes, etc.

Variable Torque: motors specifically designed to handle variable torque loads such as pumps and fans.

VFD Motors Product Page


U.S. MOTORS brand Hybrid Drives

Variable Frequency AC Drives 1/8HP to 600HP for many different applications

U.S. MOTORS® Brand drives from 1/8-10 HP AC drives, hybrid and digital

Drives Product Page


Nidec /US MOTORS® takes an ACCU-Series drive and integrates it into a full wire-to-motor solution for pumping applications.  The panel has many features that are required standards for the agricultural pumping industry.

Pump Panel Product Page

Integrated Motors and Drives:

The U.S. MOTORS® brand 3-10HP electronically commutated (EC) motor with an IE4 (Super Premium efficiency) rating is integrated with a tuned, on board Variable Frequency Drive (VFD).

EC motor (3-10) Product Datasheet

Accu-Torq® Vector Duty Motors: