... brushless dc motor, special for fan filter unit-FFU fan, variable speed by 0-10V/PWM control & alarm reply What is ... electronic communitated technology.D. ErP2013, ErP2015, CE, CCC, RoSH compliant.E. available in 300W, 500W, 700W, 1000W and 1500W.F. optional ... ) Application:Fan Filter Unit(2) Rated Voltage: AC220/230V(import voltage of driver) ;DC400V(import voltage of motor)(3) Frequency:50/60Hz(4 ...