Axial fans

EC axial fans mains-poweredS series, Ø 250– Material: Guard grille: Steel, phosphated and coated in black plasticWall ring: Sheet steel, pre-galvanised and coated in blackBlades: Sheet steel, coated in blackRotor: Coated in blackElectronics enclosure: Die-cast aluminium, 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 44– Insulation class: "B"– Mounting position: Shaft horizontal or rotor on bottom (rotor on top on request)– Condensate discharges: None– Mode of operation: Continuous operation (S1)– Bearings: Maintenance-free ball bearingsNominal dataCurveNominalvoltage rangeFrequencySpeed/rpmMax. powerinput (1)Max. currentdraw (1)Max. operative rangePerm. amb. temp.Mass withoutattachmentsElectr. connectionTypeMotorVAC Hz rpm W A Pa °C kgp. 423*3G 250 M3G 074-CFA1~ 100-130 50/60 2850 170 2.20 170 -25 to +60 2.4J1)*3G 250 M3G 074-CFB1~ 200-277 50/60 3050 175 1.40 210 -25 to +60 2.4 J1)subject to alterations(1) Nominal data in operating point with maximum load and 115 or 230 VACCurvesn[rpm]P 1[W]I[A]Lp A[dB(A)] tL[%][Pa]200[in H 2O]AA 1A 2A 32850282028001621581531.801.902.00717172—8484A 427701442.007479160120800,2 0,4 0,61287432A 5A 6A 7A 8A 9A 10A 11A 122360236023402310165016501650165085919495333536371.101.201.201.200.500.500.500.506666676862565859—777770—687068401161095 10250500 750 1000 1250[CFM]400800 1200 1600 2000[m 3 /h]198