IP68 DC axial fans RATING Series 4100 NU 119 x 119 x 38 mm Speed Temperature range Mass Ingress Protection Rating UL Approval Curves 5.6 3200 -20...75 400 IP68 Yes 1 6.5 Yes 11.0 4400 -20...55 400 IP68 Yes 2 6.5 6.0 Yes Yes 11.0 11.0 4400 4400 -20...55 -20...55 400 400 IP68 IP68 Yes Yes 2 2 60.0 7.0 Yes 13.6 4900 -20...55 400 IP68 Yes 3 67.0 7.0 Yes 34.0 6800 -20...65 400 IP68 Yes 4 Type CFM VDC VDC dB(A) Bel(A) 4114 NU 106.0 24 12...29 48.5 5.7 4114 NHU-295 140.0 24 16...30 57.0 4114 N/2HU-272* 4118 NHU-294 140.0 140.0 24 48 12...25 36...56 57.0 56.0 4114 NXHHU 153.0 24 12...28 4118 N/2H4PU 206.0 48 36...60 Nominal Data Ball bearings Yes Sound power level g Sound pressure level oC Voltage range RPM Nominal voltage Watts Air flow Power input Highlights: - Motor protection against reverse polarity and locking. - Air intake over struts - Connection via 310 mm strands AWG 22, TR 64, bared and tin-plated - Ingress protection rating of IP68 Material: Housing: Die-cast aluminum Impeller: Fiberglass-reinforced PA composite Direction of rotation: Clockwise, seen on rotor [in. H2O] Curves 1.6 1.5 1.4 1.50 4 1.3 0.4) (38 0.24 (6) 0.24 (6 ) 1.2 3 0.9 0.8 0.7 O4.92 (125) 4.57 (116) 12.20 (31010) 1.0 4.13 (104.80.2) 1.1 2 0.6 0.5 0.4 1 0.3 4.13 P 0.2 4.69 0.1 0.0 0 50 100 150 200 250 0.17(4 (104 .3) .80.2 ) (119 0.3 ) 0.17 (4.30.15) *4114 N/2HU-272 has AWG 20 lead wires [CFM] 14