KE 50-25-4 RECTANGULAR FAN
Document type:
Item no. 1467
Generated by:
Document date:
Product card
2012-07-08
Systemair Online Catalogue
Version: 50 Hz
Description
●
●
●
●
●
Swing-out
Speed-controllable
Integral thermal contacts
Can be installed in any position
Maintenance-free and reliable
The KE models have impellers with forward-curved blades and external rotor motors. The motor and
impeller are mounted on the access cover to facilitate easy maintenance. The casing is manufactured from
galvanised sheet steel. To protect the motor from overheating the fans have integral thermal contacts with
external leads for connection to a motor protection device. The fans can be installed in any position and
are easy to connect using the DS flexible connections. The KE fans have a pre-wired, integral terminal box.
Technical parameters
Parameter
Value Unit
Voltage
230
V
Frequency
50
Hz
Phase
1
~
Power
533
W
Current
2.51
A
Max. airflow
1724
m³/h
Fan impeller speed
1298
r.p.m.
Min. static back pressure
0
Pa
Max. temperature of transported air
70
°C
Max. temperature of transported air when speed-controlled 69.1
°C
Sound pressure level at 3 m
55.2
dB(A)
Weight
18.6
kg
Insulation class, motor
F
Enclosure class, motor
54
IP
Capacitor
8
µF
Diagrams
Name: KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN | Item no.: 1467
1467
1467 | Version: 50 Hz
50 Hz
Document type: Product card
Product card
Product card | Document date: 2012­07­08
2012­07­08
2012­07­08 | Generated by: Online catalogue
Online catalogue
1 / 3
Hydraulic data
Max efficiency
Q
[m³/h]
Pstat
[Pa]
862
273
Working point
n
I
η
[r.p.m.]
[A]
[%]
P
[W]
275
1431
1.38 23.8
SFP
[kW/m³/s]
U
[V]
1.15
230
Acoustic data
Max efficiency
Mid frequency band
63
125 250 500
1k
2k
4k
8k
Mid frequency band
Tot
Inlet [dB(A)]
Outlet [dB(A)]
62
56
69
64
66
66
59
68
63
73
64
70
62
68
59
64
73
77
Surrounding [dB(A)]
35
50
56
58
55
51
46
51
62
120
63
125 250 500
1k
2k
4k
8k
Tot
80
40
0
Dimensions
A
B
C
D
E
F
G
H
I*
KE 40-20
398
198
220
420
440
240
502
32
530
KE 50-25
498
248
270
520
540
290
532
34
610
KE 50-30
498
298
320
520
540
340
562
34
695
KE 60-30
598
298
320
620
640
340
642
47
715
KE 60-35
598
348
370
620
640
390
717
50
805
Name: KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN | Item no.: 1467
1467
1467 | Version: 50 Hz
50 Hz
Document type: Product card
Product card
Product card | Document date: 2012­07­08
2012­07­08
2012­07­08 | Generated by: Online catalogue
Online catalogue
2 / 3
I* = Dimension with fully open hatch.
Wiring
Accessories
Electric accessories
CO2RT-R-D Transmitter (6993)
DTV500-OEM incl connection kit (5044)
HR1 Room Humidistat IP21 (5150)
MicroREX D21 Plus Time Switch (9800)
Presence detector/IR24-P (6995)
REE 4 Speed control (5317)
REPT 6 Digital regulator (5698)
RETP 6 Temp/Pressure regulator (32293)
REU 3 Speed control (5005)
REV-5POL/05 ON/OFF (33979)
RT 0-30 Room Thermostat (5151)
RTRE 3 Speed control (5009)
S-ET 10 Motor Protection (5154)
S-ET 10E Motor Protection (5155)
T 120 Timer (5165)
Accessories
DS 50-25 Flexible connection (1542)
DXRE 50-25-3-2,5 Duct cooler (7952)
FFK 50-25 Filter cassette rect (1752)
GFL 50-25 Counter flange (2706)
LDR 50-25 Silencer (5070)
PGK 50-25-3-2,0 Duct cooler (6606)
RB 50-25/15-1 400V/3 Duct heat (9629)
RB 50-25/22-2 400V/3 Duct heat (9633)
RBM 50-25/15 400V/3 Duct heate (5451)
SRK 50-25 Class 3 Damper (7021)
VBR 50-25-2 Water heating batt (5464)
VBR 50-25-4 Water heating batt (5472)
VK-50-25 Louvre shutter (5647)
Name: KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN
KE 50­25­4 RECTANGULAR FAN | Item no.: 1467
1467
1467 | Version: 50 Hz
50 Hz
Document type: Product card
Product card
Product card | Document date: 2012­07­08
2012­07­08
2012­07­08 | Generated by: Online catalogue
Online catalogue
3 / 3