For over 65 years Dynamatic has led the way in reliable Eddy Current adjustable speed drive technology. Dynamatic adjustable speed drives are ideally suited for water and wastewater pumping applications. Rugged and reliable, Dynamatic drives and digital controls are simple to maintain and have been proven to outlast VFDs by as much as 6:1. A Dynamatic pump-drive system will dramatically reduce your lifetime operating costs. We offer a complete line of control upgrades for Dynamatic, Eaton, E.M. (Electric Machinery), US Motor/WER/Emerson, Ideal Electric and Sterling existing Eddy Current drives, saving your operation significant dollars.