Axial fans

EC axial fans 24 /48 VDCS series, Ø 250– Material: Guard grille: Steel, phosphated and coated in black plasticWall ring: Sheet steel, pre-galvanised and coated in black plasticBlades: Sheet steel, coated in blackRotor: Coated in black– Number of blades: 7 for direction of air flow "V", 9 for direction of air flow "A"– Direction of rotation: Counter-clockwise, seen on rotor– Type of protection: IP 42– Insulation class: "B"– Mounting position: Any– Condensate discharges: None– Mode of operation: Continuous operation (S1)– Bearings: Maintenance-free ball bearingsNominal dataCurveNominal voltageVoltage rangeAir flowSpeed/rpmPower inputCurrent drawSound pressure levelMax. operative rangePerm. amb. temp.Mass withoutattachmentsElectr. connectionTypeMotorVDC VDC m 3 /h rpm W A dB(A) Pa °C kgp. 420*1G 250 M1G 074-BFA24 16-28 1920 2750 105 5.00 70 — -25 to +60 1.6G)*1G 250 M1G 074-BFA48 36-57 1920 2750 105 2.60 70 — -25 to +60 1.6G)subject to alterationsCurvesn[rpm]P 1[W]Lp A[dB(A)] tL[%][Pa]24020016012080400,2 0,4 0,6 0,8 [in H 2O]UNUR844'7363'22'AA 1’A 2’A 3’A 4’A 1A 2A 3A 4A 5A 6A 7A 829202800268026002750263025202440261023202230217012913213513910511011111473757880717271737069697166676768—636045—636045—6360450 400 800400 800 1200 16005 11'[CFM][m 3 /h]190