Definite Purpose Drives

General purpose variable frequency AC drives provide cost-effective, easy-to-use motor control for fan applications that don’t require independent building automation intelligence. 
Relevant applications include; ventilation fans, cooling tower fans, smoke extraction fans and general circulation fans.

Flexible machine integration through communications

Legacy Products​:


How to Buy HVACR 

Control Techniques Energy Saving Estimator 

Harmonic Calculator 

unidrive m200 sell sheet