AK25489 SERIES Specifications(Nominal) *:Noise is measured at the distance of one (1)meter from the axis of intake. Bearin g type: =Ball =Sle eve =Hypro bearin g Frame Bearing size Model No. System (mm) Type A K2581MB AK2581HB 115 230 115 A K2582HB Freq. 230 50/60 50/60 Maximum Maximum AirFlow Pressure Current Power Speed (A) (W) (rpm) 0.22/0.24 24.20/26.50 0.16/0.14 32.20/28.80 0.55/0.62 56.00/67.80 0.26/0.30 55.40/62.80 (VAC) (Hz) A K2582MB 254x89 Volt. Rated (CMM) (CFM) (InAq) *Noise Level Weight (mmAq) (dB/A) (g) 1350/1600 12.735/14.999 450.0/530.0 0.262/0.322 6.650/8.190 55.6/57.0 19.244/17.829 680.0/630.0 0.346/0.276 8.788/7.010 66.0/62.0 2000 2100/2000 Specif ic atio ns subje ct to change wit hout notic e. 60Hz 50Hz Fan Performance Curve Fan Performance Curve FLOWRATE(CMM) 2.820 5.640 8.460 11.280 FLOWRATE(CMM) 14.100 16.920 19.740 9.0 0.000 0.354 2.820 5.640 8.460 11.280 16.920 19.740 0.354 H M M 6.0 0.236 3.0 0.118 STATIC PRESSURE(mmAq) H STATIC PRESSURE(InAq) STATIC PRESSURE(mmAq) 14.100 9.0 6.0 0.236 3.0 0.118 STATIC PRESSURE(InAq) 0.000 *Safety approvals 0.0 0.000 0 100 200 300 400 500 FLOWRATE(CFM) C 600 700 0.0 0.000 0 100 200 300 400 500 600 700 FLOWRATE(CFM) COPYRIGHT 2008 ADDA CORPORATION.ALL RIGHTS RESERVED. ADDA CORPORATION AND ADDA CORPORATION LOGO ARE TRADEMARKS OR SERVICE MARKS OF ADDA CORPORATION. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: ADDA: AK2581HB-AT-LF AK2581MB-AT-LF AK2581HBAW-LF AK2582HB-AT