... and saving 40% energy We design, develop and supply motor controller driver and control system for customers and ourselves. They are ... available in 24V,48V, 56V DC input and 110V,230V,380V ... hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower, axial fan in HVAC,Tele-communication, refrigeration, clean room, ...