... /YDWF102L70P4-740N-630VOLTAGE: 380V / 220V FREQUENCY:50HzAIR VOLUME: 11,000m3/h/11,000m3/hSPEED: 1,410RPM/1,410RPMINPUT POWER: 780W/780WCURRENT ... -630/YDWF102L70P6-740N-630VOLTAGE: 380V / 220V FREQUENCY:50HzAIR VOLUME: 8,800m3/h/8,800m3/hSPEED: 930RPM/930RPMINPUT POWER: 520W/540WCURRENT: 1.25A/2 ...