NCF fan
3.4.4 Technical data 60 Hz fans (imperial)
NCF 30/15
NCF 30/20
NCF 30/25
NCF
40/25
NCF
50/25
NCF
80/20
NCF
120/15
NCF
120/25
NCF
160/25
Capacity
[cfm]
315 - 2466
410 - 2540
490 - 3535
535 -
3855
470 -
3300
940 -
5025
1530 -
8230
1375 -
6855
1560 -
10090
Total
pressure
[in w.g.]
7.9 - 2.3
11.6 - 3.8
10.2 - 3.5
14.6 -
5.3
18.2 -
6.3
12.7 - 4.1
14.4 - 4.7
21.1 - 6.8
20.3 - 7.5
Motor
power
[hp]
3.0 hp
4.0 hp
5.5 hp
7.5 hp
7.5 hp
10 hp
15 hp
20 hp
25 hp
Speed [r/
min]
3500 r/min
3515 r/min
3535 r/min
3510 r/
min
3520 r/
min
3550 r/
min
3540 r/
min
3550 r/
min
3560 r/
min
Voltage
[V]
Current
[A]
2088.6
20811.5
20815.1
20818.7
20818.7
20826.2
20838.4
20852
20866.4
Voltage
[V]
Current
[A]
230YY/460Y
7.8/3.9
230YY/460Y
10.4/5.2
230Δ/460Δ
13.6/6.8
230ΔΔ/460Δ
17/8.5
230ΔΔ/460Δ
17/8.5
230ΔΔ/460Δ
23.8/11.9
230ΔΔ/460Δ
34.8/17.4
230ΔΔ/460Δ
46.8/23.4
230ΔΔ/460Δ
60/30
Voltage
[V]
Current
[A]
575 V
3.1 A
575 V
4.2 A
575 V
5.5 A
575 V
6.8 A
575 V
6.8 A
575 V
9.5 A
575 V
11.0 A
575 V
19.4 A
575 V
24 A
Phase
3 phase
3 phase
3 phase
3 phase
3 phase
3 phase
3 phase
3 phase
3 phase
Starting
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x
rated
current
6-7 x
rated
current
6-7 x
rated cur-
rent
6-7 x
rated cur-
rent
6-7 x
rated cur-
rent
6-7 x
rated
current
Protection
IP 55
IP 55
IP 55
IP 55
IP 55
IP 55
IP 55
IP 55
IP 55
Weight
[lbs]
148
187
231
243
247
331
355
511
644
Working
temperat-
ure [°F]
Max +140
Max +140
Max +140
Max
+140
Max
+140
Max +140
Max +140
Max +140
Max
+140
Ambient
temperat-
ure [°F]
-22 to +104
-22 to +104
-22 to +104
-22 to
+104
-22 to
+104
-22 to
+104
-22 to
+104
-22 to
+104
-22 to
+104
Sound
power
level
Lw(A) ±
3dB *
94dB(A)
103dB(A)
97dB(A)
106dB(A)
106dB(A)
98dB(A)
104dB(A)
107dB(A)
103dB(A)
EN
21