new bi-sonic 5e-230b high temperature resistant ac220v ups power cooling fan axial flow fan

brand: taiwan bi-sonic (bairui) model: 5e-230b size: 170*150*55mm voltage: 230v (50/60hz) current: 0.30/0.28a power: 46/44w speed: 2750/3100 rpm bearing: ball noise: 50/53 dba air volume: 340/408 m3/h static pressure: 12.3/13.7 h-h_2o service environment: -30-115 degrees inc service life: 50000h