DC axial compact fan 252 H ebm-papst St. Georgen GmbH & Co. KG Hermann-Papst-Straße 1 D-78112 St. Georgen Phone +49 7724 81-0 Fax +49 7724 81-1309 [email protected] www.ebmpapst.com Nominal data Type 252 H Nominal voltage VDC 12 Nominal voltage range VDC 10 .. 14 Speed min-1 12000 Power input W 0.7 Min. ambient temperature °C -10 Max. ambient temperature °C 55 Air flow m3/h 4.5 Sound power level B 4.4 Sound pressure level dB(A) 23 ml = max. load · me = max. efficiency · rfa = running at free air · cs = customer specs · cu = customer unit Subject to alterations Web data sheet D · Page 1 of 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · [email protected] · www.ebmpapst.com DC axial compact fan 252 H Technical features Dimensions 25 x 25 x 8 mm General description Particular design features: Compact fan with low power consumption. General features: Material: fibreglass-reinforced plastic. Impeller PA, housing PBT. Electronic commutation completely integrated. Protected against reverse polarity and locking. Connection via single strands AWG 28, TR 64, bared and tin-plated. Air exhaust over bars. Direction of rotation counter-clockwise seen on rotor. Masse: 5 g. Connection line Single strands AWG 28, TR 64, bared and tin-plated. Direction of rotation Counter-clockwise, looking at rotor Direction of air flow Air exhaust over bars Bearing Sintec sleeve bearing system Lifetime L10 at 20 °C 35000 h Lifetime L10 at 60 °C 12000 h Housing material Fibreglass-reinforced PBT plastic Material of impeller Fibreglass-reinforced PA plastic Motor protection Protected against reverse polarity and locking. Approval VDE, CSA, UL Web data sheet D · Page 2 of 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · [email protected] · www.ebmpapst.com 252 H DC axial compact fan Product drawing Web data sheet D · Page 3 of 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · [email protected] · www.ebmpapst.com DC axial compact fan 252 H 40 (in H ² O) 0,15 Pa Charts: Air flow 0,10 30 Dpf S 10 0,05 20 0 0,4 • VS 0,8 1 1,2 2 1,6 2,0 3 2,4 CFM 4 m³/h Web data sheet D · Page 4 of 4 ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · [email protected] · www.ebmpapst.com