DC axial fan 634 HHU 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 634 HHU Nominal voltage VDC 24 Nominal voltage range VDC 18 .. 28 Speed (rpm) min-1 8500 Current draw A 58 Max. ambient temperature °C 70 Air flow m3/h 58 Sound power level B 6.1 Sound pressure level dB(A) 44 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 DC axial fan 634 HHU Technical description General description Developed for applications with high environmental requirements Weight 0.7 kg Dimensions 60 x 60 x 25 mm Airflow direction Exhaust over struts Direction of rotation Clockwise, viewed toward rotor Storage Ball bearing Service life L10 at 40 °C 75000 h Service life L10 at maximum temperature 37500 h Cable With leads AWG 22, TR 64 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 634 HHU DC axial 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 634 HHU DC axial fan Curves 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