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W
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NMBTC.COM / 818.341.3355
In H
2
O
(Pa)
3
800
700
600
Static Pressure
2
500
400
1
300
200
100
0
0
(
Ø
250
X
99
L
)
F250
3,100rpm
2,900rpm
2,500rpm
2,400rpm
Characteristic Curves
Impellers
200
200
400
400 600
600
800 1,000
Air Flow
800
1,200 1,400
1000 [CFM]
[m
3
/h]
General Specifications
Motor Protection:
Locked Rotor, Reverse Polarity
Outline
inch
Units: (mm)
ROTATION
3.93
(99.8)
2.86
(72.8)
Insulation Resistance:
10M Ω min measured with 500V DC between all leads
shorted together and case
90
˚
15˚
9.85
(
250.0
)
4.53
(
115.0)
-30°C ~ +70°C (Operating)
-40°C ~ +80°C (Storage)
0.23
(6.0 )
25.61
(650
± 20
)
Expected Life
Failure Rate: 10%
40°C
70,000 Hours (L10)
90
˚
1.02
(25.9)
1.1
R2 0
8
6.77
(
172.0)
6.39
(
162.4)
Dielectric Withstand Voltage:
AC 700V 1 minute
Allowable Ambient Temperature Range:
3.78
(4xM4 P.C.D. 96.0)
1.59
(40.5)
Material
Impeller : Steel
Bearing : Ball Bearing
Lead Wire : UL1015, AWG18, +Red, -Black,
Speed Control = Yellow,
Speed Signal = White
Specifications
Rated
Operating
Voltage
Current
Input
Power
Speed
Max.
Air Flow
Max. Static
Pressure
Noise
Mass
MODEL
Voltage
(V)
F250A3-072-D0730
F250A4-072-D0720
F250A5-072-D0520
F250A6-072-D0520
Rotation: Clockwise
(V)
30 ~ 72
30 ~ 72
18 ~ 30
18 ~ 30
(A)
*1
3.40
1.85
6.05
3.50
(W)
*1
163.2
88.8
145.2
84.0
(min
-1
)
*1
3100
2500
2900
2400
CFM
*1
(m
3
/min)
*1
in H
2
O
862
693
806
668
24.41
19.63
22.83
18.92
2.98
1.96
2.59
1.84
(Pa)
*1
745
490
646
460
(dB)
*1
81
74
78
73
(g)
2400
2400
2400
2400
48
48
24
24
*1: Average Values in Free Air and Rated Voltage Condition
x.x