Details about Maer asynchronous motor 630mm MODEL:YSWF102L70P4-740N-630/YDWF102L70P4-740N-630 VOLTAGE: 380V / 220V FREQUENCY:50Hz AIR VOLUME: 11,000m3/h/11,000m3/h SPEED: 1,410RPM/1,410RPM INPUT POWER: 780W/780W CURRENT: 1.75A/3.6A NOISE:77dBA/77dBA IMPELLER:5 IMPELLERNET: 15KG INSULATE CLASS: B (F IS POSSIBLE) --------------------------------------------------------------------------------------------- MODEL:YSWF102L70P6-740N-630/YDWF102L70P6-740N-630 VOLTAGE: 380V / 220V FREQUENCY:50Hz AIR VOLUME: 8,800m3/h/8,800m3/h SPEED: 930RPM/930RPM INPUT POWER: 520W/540W CURRENT: 1.25A/2.5A NOISE:72dBA/72dBA IMPELLER:5 IMPELLERNET: 15KG INSULATE CLASS: B (F IS POSSIBLE) ---------------------------------------------------------------------------------------------- MODEL:YDWF102L70P8-740N-630 VOLTAGE: 220V FREQUENCY:50Hz AIR VOLUME: 7,200m3/h SPEED: 680RPM INPUT POWER: 328W CURRENT: 1.5A NOISE:68dBA IMPELLER:5 IMPELLERNET: 15KG INSULATE CLASS: B (F IS POSSIBLE)