max.
270
m /h
3
DC axial fans
Series 3250 J 92 x 92 x 38 mm
– Material:
–
–
–
–
Housing: GRP
1)
(PBT)
Impeller: GRP
1)
(PA)
Direction of air flow:
Exhaust over struts
Direction of rotation:
Clockwise, seen on rotor
Connection:
Via single wires AWG 22,
TR 64
Mass:
240 g
– Possible special versions:
(See chapter DC fans - specials)
- Speed signal
- Go / No-go alarm
- External temperature sensor
- Internal temperature sensor
- PWM control input
- Analogue control input
- Protection against moisture
- Protection against salt fog
- Type of protection: IP 54 / IP 68
1) Fibreglass-reinforced plastic
Sintec sleeve bearings
Ball bearings
Life expectancy
L
10IPC
Sound pressure level
Service life L10 (40 °C)
ebm-papst Standard
Service life L10 (Tmax)
ebm-papst Standard
Temperature range
Sound power level
(40 °C) see page 17
Nominal voltage
Nominal speed
Voltage range
Input power*
Air flow
Air flow
Curve
Nominal data
Type
NEW
NEW
NEW
NEW
NEW
3252 J/2 H3P
3254 J/2 H3P
3258 J/2 HP**
3258 J/2 HHP
3258 J/2 H3P
Subject to alternations
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
5,3
24,3
33,6
rpm
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
* Input power at free air flow, these values can be significantly higher in the operating point.
** On request
53
2014-11
Guard grilles
from p. 238
Representatives
Accessories
tin-pla
ted
AC centrifugal fans
AC axial fans
ACmaxx / GreenTech
EC-Compact fans
➂
➂
➀
➁
➂
DC fans - specials
DC centrifugal fans
DC axial fans
Information