Characteristic Curves
NMBTC.COM / 818.341.3355
General Specications
Units:
inch
(mm)
Impellers
x.x
Specications
Outline
Material
Impeller : Steel
Bearing : Ball Bearing
Lead Wire
: UL1015, AWG18, +Red, -Black,
Speed Control = Yellow,
Speed Signal = White
Motor Protection:
Locked Rotor, Reverse Polarity
Insulation Resistance:
10MΩminmeasuredwith500VDCbetweenallleads
shorted together and case
Dielectric Withstand Voltage: AC 700V 1 minute
Allowable Ambient Temperature Range:
-30°C ~ +70°C (Operating)
-40°C ~ +80°C (Storage)
Expected Life
Failure Rate: 10%
40°C 70,000 Hours (L10)
F250
(
Ø
250
X
99
L
)
1.59
(40.5)
1.02
(25.9)
3.93
(99.8)
2.86
(72.8)
3.78
(4xM4 P.C.D. 96.0)
15˚
90˚
90˚
0.23
(
6.0
)
25.61
(
650
±
20
)
4.53
(
F115.0
)
9.85
(
F250.0
)
6.39
(
F162.4
)
6.77
(
F172.0
)
1.10
R28
ROTATION
Static Pressure
0
100
200
300
400
Air Flow
[m
3
/h]
[CFM]
1,400
1,200800 1,000600400200
1
2
3
500
600
700
800
0 200 400 600 800 1000
3,100rpm
2,900rpm
2,500rpm
2,400rpm
Rotation: Clockwise *1: Average Values in Free Air and Rated Voltage Condition
Rated Operating Current Input Speed Max. Max. Static Noise Mass
MODEL Voltage Voltage Power Air Flow Pressure
(V) (V) (A)
*1
(W)
*1
(min
-1
)
*1
CFM
*1
(m
3
/min)
*1
in H2O (Pa)
*1
(dB)
*1
(g)
F250A3-072-D0730 48 30 ~ 72 3.40 163.2 3100 862 24.41 2.98 745 81 2400
F250A4-072-D0720 48 30 ~ 72 1.85 88.8 2500 693 19.63 1.96 490 74 2400
F250A5-072-D0520 24 18 ~ 30 6.05 145.2 2900 806 22.83 2.59 646 78 2400
F250A6-072-D0520 24 18 ~ 30 3.50 84.0 2400 668 18.92 1.84 460 73 2400
NEW!
