AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
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 W4S250-CA02-01
Motor M4S068-CF
Phase 1~ 1~ 1~
Nominal voltage [V] 230 230 230
Frequency [Hz] 50 60 60
Type of data definition rfa rfa rfa
Valid for approval / standard CE CE UL
Speed [min-1]1400 1620 1620
Power input [W] 72 67 75
Current draw [A] 0,53 0.46 0.33
Max. back pressure [Pa] 80 100 100
Max. ambient temperature [°C] 40 50 50
Air flow [m3/h] 870 1000 1000
Back pressure [Pa] 0 0 0
Sound pressure level [dB(A)] 58 62 62
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 6
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
AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
Technical features
Size 250 mm
Operation mode Continuous operation (S1)
Direction of rotation Counter-clockwise, seen on rotor
Direction of air flow "V"
Insulation class "B"
Cable exit Lateral
Bearing motor Ball bearing
Mass 1.7 kg
Material of impeller Sheet steel, coated in black
Motor protection Thermal overload protector (TOP) wired internally
Product conforming to
standard
CE
Number of blades 5
Type of protection IP 44 - depending on position
Protection class I
Approval CCC
Web data sheet D · Page 2 of 6
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
AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
Product drawing
6x60˚
45˚
15˚
Ø 320
Ø 254
7
295
6
985
1,25
< “V”
Web data sheet D · Page 3 of 6
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
AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
Connection screen
N
PE
L
TOP
L=BU
N=BN
= GNYE
Web data sheet D · Page 4 of 6
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
AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
Charts: Air flow 50 Hz
200 400 600 800 1000
0 200 400 600 [CFM]
[Pa]
20
40
60
80
100
0,1 0,2 0,4 [in H2O]0,3
[m3/h]
2
1
Measured values
1
2
n
[min-1]
1400
1395
P1
[W]
70
71
I
[A]
0.52
0.52
Web data sheet D · Page 5 of 6
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
AC axial fan with full round nozzle
straight blades (A series)
W4S250-CA02-01
Charts: Air flow 60 Hz
200 400 600 800 1000
0 200 400 600 [CFM]
[Pa]
20
40
60
80
100
0,1 0,2 0,4 [in H2O]0,3
[m3/h]
Web data sheet D · Page 6 of 6
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
