2,362’’ x 2,362” x 0,984’’ Series 281D 60 x 60 x 25 mm L, M, H, S speeds DC Axial Fans Approvals R RoHS R Brushless DC Motor Available with: Life expectancy Electrical protection : impedance protected, Housing material : plastic UL 94 VO Impeller material : plastic UL 94 VO Weight : 80g Bearing system: ball bearings - Speed sensor - Alarm - IP54 / IP55 L-10 LIFE AT 40°C : 70 000 hours Airflow: CFM 2 4 6 8 10 12 14 16 0 0,12 281DL Static pressure: mmH2O 2,5 0,10 5 10 15 20 0,20 5 281DM 4 5 10 15 20 25 0 6 281DH 5 0,2 0,15 2,0 0,2 3 1,5 0,10 0,06 3 0,0 0,00 0 2 4 6 25 0,30 7 281DS 0,25 0,20 5 0,15 3 0,10 0,05 0,02 20 4 2 0,04 0,5 15 0,1 2 1,0 10 6 4 0,08 5 8 1 0,1 1 2 0,05 1 0 0,00 0 8 2 4 6 8 10 0,0 0 0 2 4 6 8 10 12 0 0,00 0 2 4 6 8 10 12 14 Airflow: l/s Part Number Nominal voltage Airflow Noise level 281DL1LP11000B 281DL2LP11000B 281DM1LP11000B 281DM2LP11000B 281DH1LP11000B 281DH2LP11000B 281DS1LP11000B 281DS2LP11000B 281DS4LP11000B V 12 24 12 24 12 24 12 24 48 l/s 7,9 7,9 9,3 9,3 11 11 13 13 13 dB(A) 26,5 26,5 31 31 34 34 40 40 40 Nominal speed Input Power RPM 3100 3100 3600 3600 4250 4250 5000 5000 5000 Voltage range W 0,96 1,44 1,56 1,68 1,68 2,16 2,04 2,64 3,84 V (4-13,8) (14-27,6) (4-13,8) (14-27,6) (4-13,8) (14-27,6) (4-13,8) (14-27,6) (28-56) Additional versions: Accessories: Higher speeds (refer to page 13) Refer to Accessories leaflet http://www.etrinet.com e-mail: [email protected] Connection type Operating temperature Leads Terminals X X X X X X X X X Min.°C -10 -10 -10 -10 -10 -10 -10 -10 -10 Max.°C 70 70 70 70 70 70 70 70 70 ETRI is a trademark of ECOFIT Non contractual document. Specifications are subject to change without prior notice. Pictures for information only. Edition 2008 Static pressure: InH2O 0 3,0 0