EC axial fan W3G280-EQ20-43 sickled blades (S series) Automotive ebm-papst Mulfingen GmbH & Co. KG Bachmuhle 2 D-74673 Mulfingen Phone: +49(0)7938/81-0 Fax: +49(0)7938/81-110 info1@de.ebmpapst.com www.ebmpapst.com Nominal data Type W3G280-EQ20-43 Motor M3G074-CF Nominal voltage [VDC] Type of data definition Speed 26 rfa Power input [min-1] 3100 [W] 200 Current draw [A] 7.5 Max. ambient temperature [C] 70 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 5 ebm-papst Mulfingen GmbH & Co. KG * Bachmuhle 2 * D-74673 Mulfingen * Phone: +49(0)7938/81-0 * Fax: +49(0)7938/81-110 * info1@de.ebmpapst.com * www.ebmpapst.com EC axial fan W3G280-EQ20-43 sickled blades (S series) Automotive Technical features Leackage current <= 0.25 mA Size 280 mm Operation mode S1 Direction of rotation Clockwise, seen on rotor Electrical leads With plug Humidity class F3-2 Insulation class "B" Cable exit Lateral Bearing motor Ball bearing Mass 2.4 kg Material of impeller PA/SPS plastic, color: black (in accordance with UL 94 HB) (wall ring of PP plastic) Motor protection Reverse polarity and locked-rotor protection Number of blades 5 Type of protection IP 24 KM Approval E1 Web data sheet D * Page 2 of 5 ebm-papst Mulfingen GmbH & Co. KG * Bachmuhle 2 * D-74673 Mulfingen * Phone: +49(0)7938/81-0 * Fax: +49(0)7938/81-110 * info1@de.ebmpapst.com * www.ebmpapst.com EC axial fan W3G280-EQ20-43 sickled blades (S series) Automotive Product drawing 8 O294 298 O292 314 172 0 +2 0 43 21 18 .7 O303 8.5 X 57 94+2 Web data sheet D * Page 3 of 5 ebm-papst Mulfingen GmbH & Co. KG * Bachmuhle 2 * D-74673 Mulfingen * Phone: +49(0)7938/81-0 * Fax: +49(0)7938/81-110 * info1@de.ebmpapst.com * www.ebmpapst.com EC axial fan W3G280-EQ20-43 sickled blades (S series) Automotive Connection screen Notes on various control possibilities and their applications 1 (black) 3 (yellow) UN +26 VDC 4,7 k PWM/LIN RE typ 75 k 0 V .. 10 V + PWM U - 10 k The blower speed is determined by the input (Pin 3, 4) with the higher speed setting. 12 V speed setting PWM 10 - 50 kHz 100 % PWM -> n=max 10 % PWM -> n=min 0 % PWM -> standby speed setting with potentiometer full speed speed setting 0 V - 10 V 10 V -> n=max 1 V -> n=min 0 V -> standby U standby threshold UB 32 V switch: on: typ. 1 V off: typ. 1,5 V (orange) INVLIN RE typ 100 k 6 (white) diagnostic output 0,05 k 5 (blue) ABSENK 47 k 2 (brown) + U motor stops - turn on threshold 21 V full speed 4 standby motor turns UB 21 V 32 V speed setting: 21 V -> n=min 0 V -> n=max UB -> standby diagnostic output operation: output level low (U = 0 V) Blocked rotor or over-temperature: output level high (U = UB - 2 V) Imax = 50 mA collected alarm possible Customer circuit lower speed input GND UB -> n/2 open -> n Connection Fan Web data sheet D * Page 4 of 5 ebm-papst Mulfingen GmbH & Co. KG * Bachmuhle 2 * D-74673 Mulfingen * Phone: +49(0)7938/81-0 * Fax: +49(0)7938/81-110 * info1@de.ebmpapst.com * www.ebmpapst.com EC axial fan W3G280-EQ20-43 sickled blades (S series) Automotive 1,5 400 [in H2O] [Pa] Charts: Air flow 1,0 300 4 200 0,5 3 100 pfa 2 250 0 V 500 400 800 750 1200 1000 1600 1 1250 [CFM] 2000 [m/h] Measured values n P1 Ges [min-1] [W] [%] 1 3100 200 34 2 3085 197 40 3 3090 192 42 4 3105 213 37 Web data sheet D * Page 5 of 5 ebm-papst Mulfingen GmbH & Co. KG * Bachmuhle 2 * D-74673 Mulfingen * Phone: +49(0)7938/81-0 * Fax: +49(0)7938/81-110 * info1@de.ebmpapst.com * www.ebmpapst.com