252 H
DC axial compact fan
ebm-papst St. Georgen GmbH & Co. KG
Hermann-Papst-Straße 1
D-78112 St. Georgen
Phone +49 7724 81-0
Fax +49 7724 81-1309
info2@de.ebmpapst.com
www.ebmpapst.com
Nominal data
Type
252 H
VDC
VDC
min
-1
W
°C
°C
m
3
/h
B
dB(A)
12
10 .. 14
12000
0.7
-10
55
4.5
4.4
23
Nominal voltage
Nominal voltage range
Speed
Power input
Min. ambient temperature
Max. ambient temperature
Air flow
Sound power level
Sound pressure level
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 4
ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · info2@de.ebmpapst.com · www.ebmpapst.com
252 H
DC axial compact fan
Technical features
Dimensions
General description
25 x 25 x 8 mm
Particular design features:
Compact fan with low power consumption.
General features:
Material: fibreglass-reinforced plastic. Impeller PA, housing PBT.
Electronic commutation completely integrated.
Protected against reverse polarity and locking.
Connection via single strands AWG 28, TR 64, bared and tin-plated.
Air exhaust over bars. Direction of rotation counter-clockwise seen on rotor.
Masse: 5 g.
Single strands AWG 28, TR 64, bared and tin-plated.
Counter-clockwise, looking at rotor
Air exhaust over bars
Sintec sleeve bearing system
35000 h
12000 h
Fibreglass-reinforced PBT plastic
Fibreglass-reinforced PA plastic
Protected against reverse polarity and locking.
VDE, CSA, UL
Connection line
Direction of rotation
Direction of air flow
Bearing
Lifetime L10 at 20 °C
Lifetime L10 at 60 °C
Housing material
Material of impeller
Motor protection
Approval
Web data sheet D · Page 2 of 4
ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · info2@de.ebmpapst.com · www.ebmpapst.com
252 H
DC axial compact fan
Product drawing
Web data sheet D · Page 3 of 4
ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · info2@de.ebmpapst.com · www.ebmpapst.com
252 H
DC axial compact fan
Charts: Air flow
(in H ² O)
0,05
0,10
0,15
D
p
f
S
Pa
40
30
20
10
0
0,4
0,8
1,2
1,6
2,0
2,4
CFM
m³/h
V
S
•
1
2
3
4
Web data sheet D · Page 4 of 4
ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · info2@de.ebmpapst.com · www.ebmpapst.com