dc axial fans series 8400 nu 80 x 80 x 25 mm highlights: C motor protection against reverse polarity and locking. C air exhaust over struts C connection via 310 mm strands awg 24, tr 64, bared and tin-plated C ingress protection rating of ip68 material: housing: fiberglass-reinforced pbt composite impeller: fiberglass-reinforced pa composite direction of rotation: counterclockwise, seen on rotor nominal data air fow nominal voltage voltage range sound pressure level sound power level ball bearings power input speed temperature range mass ingress protection rating ul approval curves type cfm vdc vdc db(a) bel(a) watts rpm o c g 8414 nlu 19.4 24 18...28 17 3.7 yes 0.8 1500 -20...70 95 ip68 yes 1 8414 nmu 34.1 24 18...28 27 4.4 yes 1.4 2600 -20...70 95 ip68 yes 2 8412 nu 40.6 12 8...15 32 4.7 yes 1.7 3100 -20...70 95 ip68 yes 3 8414 nhu 46.5 24 18...26 37 5.0 yes 2.4 3600 -20...65 95 ip68 yes 4 0.17 (4.3 0.15 ) 0.18 (4.5 0.2 ) 2.80 (71.5 0.2 ) 3.15 (80 0.3 ) 0.24 (6) ?3.54 (90) 2.81 (71.5 0.2 ) 3.07 (78) 12.20 (310 10 ) 1.0 (25.4 0.3 ) 0.16 (4) 0 . 0 0 0 . 0 5 0 . 1 0 0 . 1 5 0 . 2 0 0 . 2 5 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 p [i n . h 2 o ] [c f m] 1 2 4 3 7 ip 68 ra ting curves
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