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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 info2@de.ebmpapst.com 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
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
Web data sheet D · Page 3 of 4
Charts: Air flow 1 2 p f 3 4 /c68 m³/h Pa V 0 0,4 0,8 1,2 1,6 2,0 2,4 CFM 0,15 0,10 0,05 (in H O) /c83 /c83 Web data sheet D · Page 4 of 4