EC axial fan
sickled blades (S series)
Automotive
W3G280-EQ20-43
ebm-papst Mulfingen GmbH & Co. KG
Bachmühle 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] 26
Type of data definition rfa
Speed [min-1]3100
Power input [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 · Bachmühle 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
sickled blades (S series)
Automotive
W3G280-EQ20-43
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 · Bachmühle 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
sickled blades (S series)
Automotive
W3G280-EQ20-43
Product drawing
Ø303
298
430+20
314
18
8.5
X
172
57
94+2
Ø294
Ø292
8
21.7˚
Web data sheet D · Page 3 of 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 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
sickled blades (S series)
Automotive
W3G280-EQ20-43
Connection screen
Customer circuit
Notes on various control possibilities and their applications
Connection Fan
INVLIN REtyp 100 k
(orange)
4
The blower speed is
determined by the
input (Pin 3, 4) with
the higher speed
setting.
full speed
standby threshold
UB
standby
motor stops
motor turns
switch:
on: typ. 1 V
off: typ. 1,5 V
turn on threshold
32 V
U
21 V
21 V 32 V
UB
speed setting:
21 V -> n=min
0 V -> n=max
UB -> standby
speed setting
PWM 10 - 50 kHz
speed setting with
potentiometer
full speed
100 % PWM -> n =max
10 % PWM -> n =min
0 % PWM -> standby
speed setting 0 V - 10 V
10 V -> n=max
1 V -> n=min
0 V -> standby
4,7 k
10 k
12 V
(black) UN +26 VDC
PWM/LIN
0 V .. 10 V
diagnostic output
ABSENK
GND
(yellow)
(white)
(blue)
(brown)
REtyp 75 k
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
lower speed input
UB -> n/2
open -> n
2
5
6
3
1
47 k
0,05 k
PWM U
+
-
U
+
-
Web data sheet D · Page 4 of 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 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
sickled blades (S series)
Automotive
W3G280-EQ20-43
Charts: Air flow
400 800 1200 1600 2000
V ➤[m³/h]
0250 500 750 1000 1250
[Pa]
[in H2O]
∆pfa ➤
2
3
4
1
[CFM]
100
200
300
400
1,0 1,50,5
Measured values
1
2
3
4
n
[min-1]
3100
3085
3090
3105
P1
[W]
200
197
192
213
ηGes
[%]
34
40
42
37
Web data sheet D · Page 5 of 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone: +49(0)7938/81-0 · Fax: +49(0)7938/81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
