dc axial fans 31 l dc fans with electronically commu- tated external rotor motors. fully inte- grated commutation electronics. l with electronic protection against re- verse polarity, blocking and overloading by ptc-resistor; partially impedance protected. l metal fan housing. impeller of fibre- glass reinforced plastic pa. housing with ground lug for screw m4. l air intake over struts. rotational direction cw looking at rotor. l electrical connection via 2 flat pins 2,8 x 0,5 mm. l mass 390 g. air ?ow air ?ow type nominal voltage voltage range ball bearings power input nominal speed temperature range curve at t max. series 4100 119 x 119 x 38 mm static pressure pf flow rate v cfm 3 2 1 04060 20 80 100 120 0 0 30 60 90 120 150 180 240 40 60 80 100 120 pa 160 20 m/h 3 m 3 /h cfm v dc v dc db(a) bels / l watt min -1 c hours hours 160 94.2 12 7...15 44 5.3 3.5 2 800 -10...+75 85 000 / 37 500 1 4182 ngx 180 105.9 12 7...15 49 5.7 l 4.5 3 200 -30...+75 85 000 / 37 500 2 4182 nx 160 94.2 24 12...30 44 5.3 3.5 2 800 -10...+75 85 000 / 37 500 1 4184 ngx 180 105.9 24 12...29 49 5.7 l 4.5 3 200 -30...+75 85 000 / 37 500 2 4184 nx 237 139.5 24 12...25 59 6.5 l 11 4 400 -30...+55 70 000 / 50 000 3 4184 nxh 160 94.2 48 36...56 44 5.3 l 3.5 2 800 -30...+75 85 000 / 37 500 1 4188 nxm 48 v type with grounding screw m4 x 8 (torx). noise sintec-sleeve bearings service life l 10 at 40 c
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