EC axial fan
sickled blades (S series)
Automotive
W3G300-EQ30-43
ebm-papst Mulfingen GmbH & Co. KG
Bachmühle 2
74673 Mulfingen
Phone: +49 7938 81-0
Fax: +49 7938 81-110
www.ebmpapst.com
info1@de.ebmpapst.com
Nominal data
Type W3G300-EQ30-43
Motor M3G074-CF
Nominal voltage [VDC] 26
Nominal voltage range [VDC] 16 .. 32
Type of data definition rfa
Speed [min-1]2840
Power input [W] 180
Current draw [A] 7
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 · 74673 Mulfingen · Phone: +49 7938 81-0 · Fax: +49 7938 81-110 · www.ebmpapst.com · info1@de.ebmpapst.com
EC axial fan
sickled blades (S series)
Automotive
W3G300-EQ30-43
Technical features
Leackage current <= 0,25 mA
Size 300 mm
Operation mode S1
Direction of rotation "V"
Electrical leads With plug
Insulation class "B"
Cable exit Lateral
Bearing motor Ball bearing
Mass 2.5 kg
Material of impeller PA/SPS plastic, color black (in accordance with UL 94 HB), wall ring made of PP plastic, color black
Motor protection Reverse polarity and locked-rotor protection
Option Also available as 12-volt variant
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 · 74673 Mulfingen · Phone: +49 7938 81-0 · Fax: +49 7938 81-110 · www.ebmpapst.com · info1@de.ebmpapst.com
EC axial fan
sickled blades (S series)
Automotive
W3G300-EQ30-43
Product drawing
Ø6.8
430
15˚
+20
Ø337
6˚40'
6
Ø340
94+2
3.5
4x90˚
X
Ø330
Ø323
Ø315
57
2.5
3.5
7
Ø318 +1
Web data sheet D · Page 3 of 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · 74673 Mulfingen · Phone: +49 7938 81-0 · Fax: +49 7938 81-110 · www.ebmpapst.com · info1@de.ebmpapst.com
EC axial fan
sickled blades (S series)
Automotive
W3G300-EQ30-43
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 · 74673 Mulfingen · Phone: +49 7938 81-0 · Fax: +49 7938 81-110 · www.ebmpapst.com · info1@de.ebmpapst.com
EC axial fan
sickled blades (S series)
Automotive
W3G300-EQ30-43
Charts: Air flow
50
100
150
200
250
300
350
1,0 1,20,80,60,2 0,4
400 800 1200 1600 2000 2400
V ➤[m³/h]
0250 500 750 1000 1250 1500
[Pa]
[in H2O]
∆pfa ➤
2
3
4
1
[CFM]
Measured values
1
2
3
4
n
[min-1]
2840
2810
2795
2715
P1
[W]
180
188
189
205
ηGes
[%]
39
47
47
37
Web data sheet D · Page 5 of 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · 74673 Mulfingen · Phone: +49 7938 81-0 · Fax: +49 7938 81-110 · www.ebmpapst.com · info1@de.ebmpapst.com
