1. No category

Centrifugal In-Line Box Fans
Centrifugal In-Line Box Fans with backward curved centrifugal impellers.
Type Code
D K H R 355 - 4 - EX
D = Three Phase A.C.
E = Single Phase A.C.
KHR - Impeller with external rotor motor
355 - impeller diameter (mm)
4 - Number of poles
Ex - Rosenberg Explosion Proof external rotor motor
Centrifugal In-Line Box Fans ( backward curved )
Size: 225 and 250
+
+
+
+
+
+
+
+
+
+
+
easy installation (DIN standard flange).
can be installed in any position.
easy cleaning and maintenance.
high pressure and volume output.
asynchronous external rotor motor.
motor protection by thermal contacts.
protection class IP44 and insulation class F.
air performance tested to DIN 24163.
low noise.
backward curve impeller made from galvanized steel.
speed is 100% infinely variable using auto transformer
or electronic control.
Technical Data:
Technical Data:
Static Pressure (Pa)
Static Pressure (Pa)
120
140
100
120
100
80
80
60
60
40
40
20
20
0
0
100
200
300
400
0
500
0
100 200 300 400 500 600 700 800 900
Airflow (cmh)
Type:
EKHR 225-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
Art. No. B28-A0
230V (50Hz)
0.05 kW
0.23 A
1400
1.5 uF
60 0C
Airflow (cmh)
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
Type:
- Pa
-%
1.5
F/ IP44
01.009
15 kg
Sound levels:
LW A-weighted at
V=0.5*Vmax
dBA Casing 45
dBA inlet side 55
dBA Outlet side 57
EKHR 250-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
230V (50Hz)
0.047 kW
0.21 A
1395
1.5 uF
70 0C
Art. No. Z19-02
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
- Pa
-%
1.5
F/ IP44
01.009
17 kg
Sound levels:
125
44
35
35
Dimensions:
250
37
46
48
Frequency (Hz)
500
1K
2K
33
28
24
50
50
46
51
51
51
4K
18
44
46
8K
13
39
42
LW A-weighted at
V=0.5*Vmax
dBA Casing 47
dBA inlet side 57
dBA Outlet side 59
125
46
37
37
250
39
48
50
Frequency (Hz)
500
1K
2K
35
30
26
52
52
48
53
53
53
4K
20
46
48
8K
15
41
44
(all dimensions in mm)
09-12
Centrifugal In-Line Box Fans ( backward curved )
Size: 280 and 310
+
+
+
+
+
+
+
+
+
+
+
easy installation (DIN standard flange).
can be installed in any position.
easy cleaning and maintenance.
high pressure and volume output.
asynchronous external rotor motor.
motor protection by thermal contacts.
protection class IP44 and insulation class F.
air performance tested to DIN 24163.
low noise.
backward curve impeller made from galvanized steel (280)
& plastic (310).
speed is 100% infinely variable using auto transformer
or electronic control.
Technical Data:
Technical Data:
Static Pressure (Pa)
Static Pressure (Pa)
200
300
250
150
200
100
150
100
50
50
0
0
400
800
1,200
1,600
0
0
400
Airflow (cmh)
Type:
EKHR 280-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
60 0C
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
Type:
- Pa
8%
1.7
F/ IP44
01.009
20 kg
Sound levels:
LW A-weighted at
V=0.5*Vmax
dBA Casing 49
dBA inlet side 59
dBA Outlet side 61
1,200
1,600
2,000
Airflow (cmh)
Art. No. Z19-03
230V (50Hz)
0.086 kW
0.41 A
1365
2.5 uF
800
EKHR 310-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
230V (50Hz)
0.119 kW
0.58 A
1375
4 uF
40 0C
Art. No. T11-05
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
- Pa
-%
1.8
F/ IP44
01.009
22 kg
Sound levels:
125
48
45
41
Dimensions:
250
41
51
50
Frequency (Hz)
500
1K
2K
37
32
28
51
54
53
55
57
54
4K
22
47
48
8K
17
40
42
LW A-weighted at
V=0.5*Vmax
dBA Casing 51
dBA inlet side 61
dBA Outlet side 63
125
50
47
43
250
43
53
52
Frequency (Hz)
500
1K
2K
39
34
30
53
56
55
57
59
56
4K
24
49
50
8K
19
42
44
(all dimensions in mm)
09-12
Centrifugal In-Line Box Fans ( backward curved )
Size: 355 and 400
+
+
+
+
+
+
+
+
+
+
+
easy installation (DIN standard flange).
can be installed in any position.
easy cleaning and maintenance.
high pressure and volume output.
asynchronous external rotor motor.
motor protection by thermal contacts.
protection class IP54 and insulation class F.
air performance tested to DIN 24163.
low noise.
backward curve impeller made from plastic.
(Aluminium impeller upon request only.)
speed is 100% infinely variable using auto transformer
or electronic control.
Technical Data:
Technical Data:
Static Pressure (Pa)
Static Pressure (Pa)
400
400
300
300
200
200
100
0
100
0
1,000
2,000
0
3,000
0
1,000
Airflow (cmh)
Type:
EKHR 355-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
60 0C
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
Type:
- Pa
11 %
1.8
F/ IP54
01.024
35 kg
Sound levels:
LW A-weighted at
V=0.5*Vmax
dBA Casing 57
dBA inlet side 69
dBA Outlet side 69
3,000
4,000
Airflow (cmh)
Art. No. N52-35504
230V (50Hz)
0.28 kW
1.25 A
1255
5 uF
2,000
EKHR 400-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
230V (50Hz)
0.54 kW
2.55 A
1375
12 uF
45 0C
Art. No. N51-40000
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
- Pa
20 %
2.65
F/ IP54
01.024
42 kg
Sound levels:
125
56
56
57
Dimensions:
250
49
60
58
Frequency (Hz)
500
1K
2K
45
40
36
65
63
60
64
64
61
4K
30
56
57
8K
25
45
44
LW A-weighted at
V=0.5*Vmax
dBA Casing 65
dBA inlet side 77
dBA Outlet side 77
125
64
62
67
250
57
71
68
Frequency (Hz)
500
1K
2K
53
48
38
73
69
67
70
73
68
4K
38
64
63
8K
33
57
54
(all dimensions in mm)
09-12
Centrifugal In-Line Box Fans ( backward curved )
Size: 450 and 500
+
+
+
+
+
+
+
+
+
+
+
easy installation (DIN standard flange).
can be installed in any position.
easy cleaning and maintenance.
high pressure and volume output.
asynchronous external rotor motor.
motor protection by thermal contacts.
protection class IP54 and insulation class F.
air performance tested to DIN 24163.
low noise.
backward curve impeller made from aluminium.
speed is 100% infinely variable using auto transformer
or electronic control.
Technical Data:
Technical Data:
Static Pressure (Pa)
Static Pressure (Pa)
600
700
500
600
400
500
300
400
300
200
200
100
100
0
0
0
2,000
4,000
0
6,000
2,000
Airflow (cmh)
Type:
EKHR 450-4W
U
P1
IN
n (min-1)
C( uF 400V)
tR
40 0C
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
Type:
- Pa
9%
2.1
F/ IP54
01.024
61 kg
Sound levels:
LW A-weighted at
V=0.5*Vmax
dBA Casing 63
dBA inlet side 75
dBA Outlet side 75
6,000
8,000
Airflow (cmh)
Art. No. N63-45052
230V (50Hz)
0.84 kW
3.7 A
1210
16 uF
4,000
EKHR 500-4
U
P1
IN
n (min-1)
C( uF 400V)
tR
230V (50Hz)
1.42 kW
6.3 A
1360
30 uF
40 0C
Art. No. N51-50005
pfamin
I
IA / 1N
Class/ IP
W. diag
Weight
- Pa
8%
2.3
F/ IP54
01.024
65 kg
Sound levels:
125
62
60
65
Dimensions:
250
55
69
66
Frequency (Hz)
500
1K
2K
51
46
42
71
67
65
68
71
66
4K
36
62
61
8K
31
55
52
LW A-weighted at
V=0.5*Vmax
dBA Casing 68
dBA inlet side 80
dBA Outlet side 80
125
67
61
60
250
60
73
69
Frequency (Hz)
500
1K
2K
56
51
47
74
74
72
72
77
71
4K
41
69
67
8K
36
60
58
(all dimensions in mm)
09-12