EC/AC centrifugal fans RadiCal

EC centrifugal fans – RadiCalbackward curved, Ø 280– Material: Support bracket: Steel, coated in blackSupport plate and inlet nozzle: Sheet steel, galvanisedImpeller: Plastic PPRotor: A Surface passivated, B C Coated in blackElectronics enclosure: Die-cast aluminium– Number of blades: 6– Direction of rotation: Clockwise, seen on rotor– Type of protection: IP 54– Insulation class: A "B", B C "F"– Mounting position: A any, B C Shaft horizontal or rotor om bottom, rotor on top on request– Condensate discharges: A None (open rotor), B C Rotor-side– Mode of operation: Continuous operation (S1)– Bearings: Maintenance-free ball bearingsNominal dataCurveNominalvoltage rangeFrequencySpeed/rpm (1)Max.input power (1)Max.current draw (1)Perm. amb. temp.Technical featuresand electricalconnectionType Motor VAC Hz rpm W A °C*3G 280 M3G 074-CF A 1~ 200-240 50/60 1910 168 1,40 -25..+60 p. 165 / H4)*3G 280 M3G 084-DF B 1~ 200-277 50/60 2700 500 2,20 -25..+60 p. 166 / P5)*3G 280 M3G 084-DF C 1~ 200-277 50/60 2900 660 2,90 -25..+60 p. 166 / P5)subject to alterations(1) Nominal data in operating point with maximum load and 230 VACCurves:p fs Pa9008007006005004003002001000,4 0,8 1,2 1,6 2,0 2,4 2,8 3,2 3,6 in H 2O0q VACB C42 = ηmax.3 = ηmax.4B33A4223211 1200 400 600 800 1000 1200 1400 1600 1800 cfm500 1000 1500 2000 2500 3000 m 3 /hAAAABBBBCCCC123412341234nrpm198019101775184028802800270028102900290029002900P edW150168165165460500500500490600660600IA1,051,401,301,302,002,202,202,202,202,702,902,70L W AdB(A)756964648580747886817679Air performance measured as per: ISO 5801, Installation category A, with ebm-papst inlet nozzle without protectionagainst accidental contact. Suction-side noise levels: L W A as per ISO 13347, L p A measured at 1 m distance to fan axis.The acoustic values given are only valid under the measurment conditions listed and may vary depending on the installationsituation. With any deviation to the standard setup, the specific values have to be checked and reviewed onceinstalled or fitted! For detailed information see page 172 ff.46