dc axial fans series 6200 nu ?172 x 51 mm highlights: C motor protection against reverse polarity and locking. C air exhaust over struts C connection via leads 310 mm awg 22, tr 64, bared and tin-plated C ingress protection rating of ip68 material: housing: die-cast aluminum 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 6224 nmu 206.0 24 12...32 50 5.7 yes 11.6 2950 -20...60 840 ip68 yes 1 6224 nu 241.3 24 12...28 55 6.1 yes 15.6 3400 -20...72 840 ip68 yes 2 [in. h 2 o] [cfm ] p v ? 0. 0 0. 1 0. 2 0. 3 0. 4 0. 5 0. 6 05 01 00 15 02 00 25 0 1 2 17 ip 68 ra ting curves
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