Max.
270
m /h
3
DC axial fans
92 x 38 mm
– Material:
–
–
–
–
Housing: GRP
1)
(PBT)
Impeller: GRP
1)
(PA)
Direction of air flow:
Exhaust over struts
Direction of rotation:
Clockwise,
looking towards rotor
Connection:
Via single wires AWG 22,
TR 64
Weight:
240 g
– Possible special versions:
(See chapter DC fans - specials)
- Speed signal
- Go / NoGo alarm
- External temperature sensor
- Internal temperature sensor
- PWM control input
- Analog control input
- Moisture protection
- Salt spray protection
- Degree of protection: IP 54 / IP 68
1) Fiberglass-reinforced plastic
Sintec sleeve bearings
Ball bearings
Temperature range
Nominal voltage
Sound power level
Series 3250 J
Life expectancy
L
10IPC
(40 °C) see page 17
Sound pressure level
Power consumption*
Service life L10 (40 °C)
ebm-papst standard
Nominal speed
Voltage range
Air flow
Air flow
Service life L10 (Tmax)
ebm-papst standard
Nominal data
Type
3252 J/2 H3P
3254 J/2 H3P
3258 J/2 HP**
3258 J/2 HHP
3258 J/2 H3P
Subject to change
m
3
/h
270
270
145
235
270
cfm
158
158
85
138
158
VDC
12
24
48
48
48
VDC
7...13.2
14...26.4
36...56.0
36...56.0
36...56.0
dB(A) Bel(A)
64
64
46
59
64
7.6
7.6
5.8
7.0
7.6
/
Watts
35.0
35.0
7.0
24.3
33.6
rpm
-1
7 450
7 450
4 100
6 650
7 450
°C
-20...+70
-20...+70
-20...+70
-20...+70
-20...+70
Hours
Hours
85 000 / 42 500 142 500
85 000 / 42 500 142 500
100 000 / 50 000 170 000
90 000 / 45 000 152 500
85 000 / 42 500 142 500
¬
¬
¿
¡
¬
** On request
* Power consumption at free air flow. These values can be significantly higher in the operating point.
3
2
Tin-p
la
Air performance measured according to: ISO 5801.
Installation category A, without contact protection.
Noise: Total sound power level L
W
A ISO 103002
measured on a hemisphere with a radius of 2 m.
Sound pressure level LpA measured at 1 m distance
from fan axis.
The values given are applicable only under the specified
measuring conditions and may differ depending on the
installation conditions.
In the event of deviation from the standard configuration,
the parametersmust be checked after installation!
For detailed information see
http://www.ebmpapst.com/general conditions
ted
1
cfm
2016-01
52
Finger guards
from p. 242
Curve