dc axial fans series 630 u 60 x 60 x 25 mm highlights: C motor protection against reverse polarity and locking. C air exhaust over struts C connection via 310 mm strands awg 22, 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: clockwise, 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 632 nu 23.5 12 6...15 34 5.1 yes 1.8 5900 -20...70 70 ip68 yes 1 634 nu-004* 23.5 24 12...30 34 5.1 yes 1.6 5900 -20...70 70 ip68 yes 1 632/2hpu 25.9 12 11...13 35 5.4 yes 1.5 6300 -20...70 70 ip68 yes 2 634 hhu 34.1 24 18...28 44 6.1 yes 3.2 8500 -20...70 70 ip68 yes 3 1.0 (25.4 0.3 ) 0.12 (30.2) 0.12 (30.2) 310 (12.2)* 0.24 (61) 1.97 (50 0.2 ) 2.36 (60 0.3 ) 0.17 (4.3 0.15 ) 0.17 (4.3 0.15 ) ?2.52 (64) 2.28 (58) 1.97 (50 0.2 ) *634 nu-004 has 400mm lead wires. [in. h 2 o] [cfm ] p v ? 0. 0 0. 1 0. 2 0. 3 0. 4 0. 5 0. 6 0. 7 05 10 15 20 25 30 35 3 1 2 7 ip 68 rating curves
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