Details about Maer axial fan 900 MODEL:YSWF127L80P8-7-1075N-900 VOLTAGE: 380V FREQUENCY:50Hz CONNECT: DELTA/STAR AIR VOLUME: 22,000m3/h/18,500m3/h SPEED: 950RPM/660RPM INPUT POWER: 950W/660W CURRENT: 2.15A/1.15A NOISE:77dBA/72dBA IMPELLER:7 IMPELLER (OR 5 IMPELLER) NET: 33KG INSULATE CLASS: F