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 Brushless DC Motor Available with: Electrical protection: integrated circuit Housing material: plastic UL 94 V0 Impeller material: plastic UL 94 V0 Maximum weight: 80g Bearing system: ball bearings Connection: flying leads IP 20 - Speed sensor - Alarm - IP 54 / IP 55 Life expectancy L-10 LIFE AT 40C : 70 000 hours Airflow: CFM 2 4 6 8 10 12 14 16 0 3,0 0,12 281DL Static pressure: mmH2O 2,5 0,10 5 10 15 0 20 5 0,20 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 0,00 0 0 2 4 6 8 10 12 14 Airflow: l/s Part Number 281DL1LP11000B 281DL2LP11000B 281DM1LP11000B 281DM2LP11000B 281DH1LP11000B 281DH2LP11000B 281DS1LP11000B 281DS2LP11000B 281DS4LP11000B Nominal voltage Airflow Noise level 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 W 0,96 1,44 1,56 1,68 1,68 2,16 2,04 2,64 3,84 Voltage range Operating temperature 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) Min.C -10 -10 -10 -10 -10 -10 -10 -10 -10 Max.C 70 70 70 70 70 70 70 70 70 Additional versions: Higher speeds (refer to page 11) http://www.etrinet.com e-mail: info@etrinet.com ETRI is a trademark of ECOFIT Non contractual document. Specifications are subject to change without prior notice. Pictures for information only. Edition 2016 Static pressure: InH2O 0