... output, fault alarm, easy to control speed 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 AC input.The functions include PFC (passive), control input 0-10 VDC / PWM, output ... Brushless DC Fan Motor speed controller: Supply Voltage: 12~75VDCMax ...