AC axial compact fan 3956 L ebm-papst St. Georgen GmbH & Co. KG Hermann-Papst-Str. 1 D-78112 St. Georgen Phone +49 (0) 7724 81-0 Fax +49 (0) 7724 81-1309 [email protected] www.ebmpapst.com Nominal data Type 3956 L Phase 1~ Nominal voltage VAC 230 Frequency Hz 50 Speed (rpm) min-1 1550 Power consumption W 6.0 Min. ambient temperature °C -40 Max. ambient temperature °C 80 Air flow m3/h 31 Sound power level B 3.8 Sound pressure level dB(A) 24 ml = Max. load · me = Max. efficiency · fa = Free air · cs = Customer specification · ce = Customer equipment Subject to change ENU (Web) · Approved 2016-06-22 · Page 1 / 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Str. 1 · D-78112 St. Georgen · Phone +49 (0) 7724 81-0 · Fax +49 (0) 7724 81-1309 · [email protected] · www.ebmpapst.com AC axial compact fan 3956 L Technical description Weight 0.280 kg Dimensions 92 x 92 x 25 mm Impeller material Mineral-reinforced PA plastic Housing material Die-cast aluminum Airflow direction Exhaust over struts Direction of rotation Counterclockwise, viewed toward rotor Storage Ball bearing Service life L10 at 40 °C 70000 h Service life L10 at maximum temperature 27500 h Cable 2 flat plugs 2.8 x 0.5 mm. Housing with grounding lug for M4 screw Motor protection Protected from overload by impedance protection Approval VDE, CSA, UL, CE ENU (Web) · Approved 2016-06-22 · Page 2 / 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Str. 1 · D-78112 St. Georgen · Phone +49 (0) 7724 81-0 · Fax +49 (0) 7724 81-1309 · [email protected] · www.ebmpapst.com 3956 L AC axial compact fan Product drawing ENU (Web) · Approved 2016-06-22 · Page 3 / 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Str. 1 · D-78112 St. Georgen · Phone +49 (0) 7724 81-0 · Fax +49 (0) 7724 81-1309 · [email protected] · www.ebmpapst.com AC axial compact fan 3956 L 16 (in H ² O) 0,06 Pa Curves: Air performance 0,04 12 ∆ pf ä 4 0,02 8 0 • Vä 5 5 10 10 15 15 20 25 20 30 CFM m³/h ENU (Web) · Approved 2016-06-22 · Page 4 / 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Str. 1 · D-78112 St. Georgen · Phone +49 (0) 7724 81-0 · Fax +49 (0) 7724 81-1309 · [email protected] · www.ebmpapst.com