AC axial fan
sickled blades (S series), single inlet
with full square nozzle
W4E315-DS20-38
ebm-papst Mulfingen GmbH & Co. KG
Bachmühle 2 · D-74673 Mulfingen
Phone +49 7938 81-0
Fax +49 7938 81-110
info1@de.ebmpapst.com
www.ebmpapst.com
Limited partnership · Headquarters Mulfingen
County court Stuttgart · HRA 590344
General partner Elektrobau Mulfingen GmbH · Headquarters Mulfingen
County court Stuttgart · HRB 590142
Nominal data
Type W4E315-DS20-38
Motor M4E068-DF
Phase 1~ 1~
Nominal voltage VAC 230 230
Frequency Hz 50 60
Type of data definition ml ml
Valid for approval / standard CE CE
Speed min-1 1350 1490
Power input W 110 148
Current draw A 0.52 0.66
Motor capacitor µF 3 3
Capacitor voltage VDB 400 400
Capacitor standard P0 (CE) P0 (CE)
Max. back pressure Pa 70 85
Min. ambient temperature °C -25 -25
Max. ambient temperature °C 65 70
Starting current A 1.2 1.18
ml = Max. load · me = Max. efficiency · fa = Running at free air · cs = Customer specs · cu = Customer unit
Subject to alterations
Item no. 14349-5-9980 · Revision 83262 · Release 2014-05-26 · Page 1 / 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
AC axial fan
sickled blades (S series), single inlet
with full square nozzle
W4E315-DS20-38
Technical features
Mass 5.5 kg
Size 315 mm
Surface of rotor Coated in black
Material of blades PP plastic
Material of wall ring Sheet steel, pre-galvanised and coated with black plastic
Material of guard grille Steel, coated in black plastic (RAL9005)
Number of blades 5
Direction of air flow "A"
Direction of rotation Clockwise, seen on rotor
Type of protection IP 44; Depending on installation and position as per EN 60034-5
Insulation class "F"
Humidity class F1-2
Max. permissible ambient motor
temp. (transp./ storage)
+ 80 °C
Min. permissible ambient motor
temp. (transp./storage)
- 40 °C
Mounting position Shaft horizontal or rotor on bottom; rotor on top on request
Condensate discharge holes Rotor-side
Operation mode S1
Motor bearing Ball bearing
Touch current acc. IEC 60990
(measuring network Fig. 4, TN
system)
< 0.75 mA
Electrical leads Via terminal box, integrated capacitor connected via terminal box
Motor protection Thermal overload protector (TOP) brought out
Cable exit Axial
Protection class I (if protective earth is connected by customer)
Product conforming to standard EN 60335-1; CE
Item no. 14349-5-9980 · Revision 83262 · Release 2014-05-26 · Page 2 / 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
AC axial fan
sickled blades (S series), single inlet
with full square nozzle
W4E315-DS20-38
Product drawing
1 Direction of air flow "A"
2 Tightening torque 0.5±0.1 Nm
3 Cable diameter max. 7.5 mm, tightening torque 1.3±0.2 Nm
Connection screen
L blue N black PE green/yellow
TOP grey
Item no. 14349-5-9980 · Revision 83262 · Release 2014-05-26 · Page 3 / 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
AC axial fan
sickled blades (S series), single inlet
with full square nozzle
W4E315-DS20-38
Charts: Air flow 50 Hz
pfs @ rho=1,2 kg/m³
qv [m³/h]
25002000150010005000
qv [CFM]
1.4001.2001.00080060040020000
pfs [Pa]
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
pfs [InH2O]
0,4
0,38
0,36
0,34
0,32
0,3
0,28
0,26
0,24
0,22
0,2
0,18
0,16
0,14
0,12
0,1
0,08
0,06
0,04
0,02
0
1
2
3
4
Measurement: LU-159582
Air performance measured as per ISO 5801
Installation category A. For detailed
information on the measuring set-up, please
contact ebm-papst. Suction-side noise
levels: LwA measured as per ISO 13347 /
LpA measured with 1m distance to fan axis.
The values given are valid under the
measuring conditions mentioned above and
may vary according to the actual installation
situation. With any deviation from the
standard set-up, the specific values have to
be checked and reviewed with the unit
installed.
Measured values
1
2
3
4
U
V
230
230
230
230
f
Hz
50
50
50
50
n
min-1
1390
1380
1365
1350
Pe
W
96
100
105
110
I
A
0.48
0.49
0.51
0.52
LpAin
dB(A)
58
55
52
51
LwAin
dB(A)
64
61
59
59
qv
m3/h
2320
2095
1805
1470
pfs
Pa
0
25
50
70
U = Supply voltage · f = Frequency · n = Speed · Pe= Power input · I = Current draw · LpAin = Sound pressure level inlet side · LwAin = Sound power level inlet side · qv = Air flow
pfs = Pressure increase
Item no. 14349-5-9980 · Revision 83262 · Release 2014-05-26 · Page 4 / 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
AC axial fan
sickled blades (S series), single inlet
with full square nozzle
W4E315-DS20-38
Charts: Air flow 60 Hz
pfs @ rho=1,2 kg/m³
qv [m³/h]
25002000150010005000
qv [CFM]
1.6001.4001.2001.00080060040020000
pfs [Pa]
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
pfs [InH2O]
0,48
0,46
0,44
0,42
0,4
0,38
0,36
0,34
0,32
0,3
0,28
0,26
0,24
0,22
0,2
0,18
0,16
0,14
0,12
0,1
0,08
0,06
0,04
0,02
0
1
2
3
4
Measurement: LU-159796
Air performance measured as per ISO 5801
Installation category A. For detailed
information on the measuring set-up, please
contact ebm-papst. Suction-side noise
levels: LwA measured as per ISO 13347 /
LpA measured with 1m distance to fan axis.
The values given are valid under the
measuring conditions mentioned above and
may vary according to the actual installation
situation. With any deviation from the
standard set-up, the specific values have to
be checked and reviewed with the unit
installed.
Measured values
1
2
3
4
U
V
230
230
230
230
f
Hz
60
60
60
60
n
min-1
1590
1565
1535
1490
Pe
W
121
130
136
148
I
A
0.53
0.56
0.59
0.66
qv
m3/h
2640
2380
2065
1660
pfs
Pa
0
30
60
85
U = Supply voltage · f = Frequency · n = Speed · Pe= Power input · I = Current draw · qv = Air flow · pfs = Pressure increase
Item no. 14349-5-9980 · Revision 83262 · Release 2014-05-26 · Page 5 / 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
