DC axial fan 4418 /2HHP 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 4418 /2HHP Nominal voltage VDC 48 Nominal voltage range VDC 36 .. 60 Speed min-1 5000 Power input W 13.5 Min. ambient temperature °C -20 Max. ambient temperature °C 70 Air flow m3/h 285 Sound power level B 6.4 Sound pressure level dB(A) 55 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 fan 4418 /2HHP Technical features General description Particular design features: Innovative impeller with winglets for low noise. Control inputs and alarm and speed signals available on request. High-speed version with 5000 rpm, standard models available with /2 and PWM. 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 24, TR 64, bared and tin-plated. Air exhaust over bars. Rotational direction clockwise looking at rotor. Mass: 270 g. Mass 0.250 kg Dimensions 119 x 119 x 38 mm Material of impeller Fibreglass-reinforced PA plastic Housing material Fiberglass-reinforced PBT plastic Direction of air flow Air exhaust over bars Direction of rotation Clockwise, looking at rotor Bearing Ball bearings Lifetime L10 at 40 °C 50000 h Lifetime L10 at maximum temperature 25000 h Connection line Single strands AWG 24, TR 64, bared and tin-plated. Motor protection Protected against reverse polarity and locking. 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 4418 /2HHP DC axial 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 fan 4418 /2HHP 125 100 (in H ² O) 0,6 0,2 25 D pf S 50 0,1 75 0,5 150 0,4 175 0,3 Pa Charts: Air flow 0 • VS 20 40 50 60 100 80 150 100 120 200 140 250 CFM 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