DC axial fans 2011 [PDF] - ebm-papst

max. 800 m 3 /hDC centrifugal fansSeries REF 175 TD 175 Ø x 55 mmHighlights:– 3-phase fan drive with high degree of running smoothness.– Very high pressure build-up. Backward curved impeller.– Available as standard with PWM control input and speed signal.Additional inputs and outputs on request.General characteristics:– Impeller of galvanised steel plate.– Fully integrated electronic commutation.– Direction of rotation: CW seen on rotor.– Direction of air flow: axial air intake, centrifugal air exhaust out of the outlet.– Connection via single strands AWG 20, TR 64, speed signal and control input AWG 22,bared and tin-plated.– Mass: 930 g.Nominal dataAir flowAir flowNominal voltageVoltage rangeSound power levelSintec sleeve bearingsBall bearingsPower inputNominal speedTemperature rangeService life L 10 (40 °C)ebm-papst StandardService life L 10 (T max )ebm-papst StandardLife expectancy L 10 Δ(40 °C) see P. 15CurveSpecialsType m 3 /h CFM VDC VDC Bel(A) / Watts RPM °C Hours HoursNEWREF 175-30/18/2TDP 800 470 48 36 ... 72 8,3 121 4 400 -20...+60 65 000 / 37 500 130 000 1Speed control range from 800 rpm at 7 % PWM up to nominal speed at > 90 % PWM. Standstill at 0 % PWM,max. speed if control cable is interrupted.R10Air flowThe air flow and noise level of fans without externalhousing depends on the installation conditions. The statedair flow and noise levels have been measured under thefollowing conditions:Centrifugal fan mounted on a base plate 180 x 180 mm.Cover plate 180 x 180 mm with an air inlet of Ø 125,5 mm,concentric to the impeller.Air flow2mm6+110+425Pa600[in H 2O]15004001,60,1+ø580,3+ø721,0+ø1753002000,81000100 200 300 400 500200 400 600 8006,830+54,3 1CFMm³/hN G T I A100PWMHPM4 (4x)max. 8 deepmax. 8 tief+ 0,8