Characteristic Curves
DC Axial Fans
General Specications
Legacy Part No. 4715MS
Outline
AC Axial Fans
Panel Cut-Outs
inch
(mm)
Units:
11938MB (119 X 38L)
Material
Casing : Aluminum (Black Painting)
Impeller : Plastic (Black) UL94V-0
Bearing : Ball Bearing
Lead Wire
: AWG22, UL3266
or Terminal : Faston #110 or equivalent
Expected Life
Failure Rate: 10%
25°C 100,000 Hours
Motor Structure: Shaded Pole Induction Motor
Motor Protection: Impedance Protection
Insulation Resistance:
100MΩoroverwithaDC500VMegger
Dielectric Withstand Voltage: AC 1800V 3s
Allowable Ambient Temperature Range:
-10°C ~ +70°C (Operating)
-40°C ~ +70°C (Storage)
(non-condensing environment)
NAME PLATE
(38
±
0.5)
1.50
±
.02
4.69
±
.02
(119)
4.69
±
.02
(119)
.169
8 – (φ4.3
±
0.2)
4.13
±
.01
(105
±
0.3)
4.13
±
.01
(105
±
0.3)
AIR
Flange type
ROTATION
.169
INLET SIDE / OUTLET SIDE
(φ116.5)
φ4.59
4.56
(115)
4.56
(115)
4.14
(105)
4.14
(105)
4 – (φ4.3
±
0.2)
0
20
40
60
80
0 1 2 3 4
N
60Hz
50Hz
Static Pressure
Ps
(Pa)
.08
.16
.24
.32
In H2O
35 70 106 141 CFM
Air Flow
(m3/min)
0
20
40
60
80
0 1 2 3 4
Static Pressure
Ps
(Pa)
.08
.16
.24
.32
In H2O
35 70 106 140 CFM
Air Flow
(m3/min)
M
60Hz
50Hz
0
20
40
60
80
0 1 2 3 4
L
60Hz
50Hz
(m3/min)
Static Pressure
Ps
(Pa)
.08
.16
.24
.32
In H2O
35 70 106 140 CFM
Air Flow
0
20
40
60
80
0 1 2 3 4
K
60Hz
50Hz
(m3/min)
Static Pressure
Ps
(Pa)
.08
.16
.24
.32
In H2O
35 70 106 141 CFM
Air Flow
0
20
40
60
80
0 1 2 3 4 (m3/min)
J
60Hz
50Hz
Static Pressure
Ps
(Pa)
.08
.16
.24
.32
In H2O
35 70 106 140 CFM
Air Flow
NMBTC.COM / 248.919.2250
AC Axial Fans
Legacy Part No. 4715MS
11938MB (119 X 38L)
Specications
Rated Frequency Starting Current Input Speed Max. Max. Static Noise Mass
MODEL LEGACY P/N Voltage Voltage Power AirFlow Pressure
(V) (Hz) (V) (A)*1 (W) (min-1)*2 CFM*1 (m3/min)*2 in H2O (Pa)*2 (dB)*2 (g)
11938MB-A0J-EA-00 4715MS-10T-B10-B00 100 50 65 0.11 7.0 1350 45.9 1.30 .06 14.0 27.0 550
100 60 65 0.10 6.5 1450 49.4 1.40 .06 15.0 28.0 550
11938MB-A0K-EA-00 4715MS-10T-B20-B00 100 50 65 0.13 8.0 2100 70.6 2.00 .14 35.3 32.0 550
100 60 65 0.12 8.0 1900 67.1 1.90 .10 24.6 30.0 550
11938MB-A0L-EA-00 4715MS-10T-B30-B00 100 50 65 0.19 11.0 2400 81.2 2.30 .19 48.1 34.0 550
100 60 65 0.17 10.0 2600 88.3 2.50 .18 46.1 37.0 550
11938MB-A0M-EA-00 4715MS-10T-B40-B00 100 50 65 0.25 15.0 2450 84.7 2.40 .21 52.0 35.0 550
100 60 65 0.22 13.0 2750 95.3 2.70 .23 58.0 39.0 550
11938MB-A0N-EA-00 4715MS-10T-B50-B00 100 50 65 0.27 15.0 2600 88.3 2.50 .26 64.7 37.0 550
100 60 65 0.23 14.0 2900 102.4 2.90 .31 76.4 41.0 550
11938MB-A1J-EA-00 4715MS-12T-B10-A00 115 50 75 0.09 6.0 1350 45.9 1.30 .06 15.6 27.0 550
115 60 75 0.08 5.5 1450 49.4 1.40 .07 16.6 28.0 550
11938MB-A1K-EA-00 4715MS-12T-B20-A00 115 50 75 0.10 7.0 2100 76.6 2.00 .14 35.2 32.0 550
115 60 75 0.10 7.0 1950 67.0 1.90 .10 24.5 30.0 550
11938MB-A1L-EA-00 4715MS-12T-B30-A00 115 50 75 0.16 11.0 2400 81.0 2.30 .20 49.9 34.0 550
115 60 75 0.14 10.0 2600 88.2 2.50 .20 49.9 37.0 550
11938MB-A1M-EA-00 4715MS-12T-B40-A00 115 50 75 0.22 15.0 2450 85.0 2.40 .20 50.9 35.0 550
115 60 75 0.19 13.0 2750 95.0 2.70 .26 64.6 39.0 550
11938MB-A1N-EA-00 4715MS-12T-B50-A00 115 50 65 0.25 15.5 2600 88.2 2.50 .26 64.6 37.0 550
115 60 65 0.21 14.5 2900 102.0 2.90 .31 76.4 41.0 550
11938MB-B0J-EA-00 4715MS-20T-B10-B00 200 50 130 0.06 6.0 1350 45.9 1.30 .06 14.0 27.0 550
200 60 130 0.05 5.5 1450 49.4 1.40 .06 15.0 28.0 550
11938MB-B0K-EA-00 4715MS-20T-B20-B00 200 50 130 0.06 7.0 2100 70.6 2.00 .13 32.3 32.0 550
200 60 130 0.06 7.0 1900 67.1 1.90 .08 20.5 30.0 550
11938MB-B0L-EA-00 4715MS-20T-B30-B00 200 50 130 0.09 10.0 2400 81.2 2.30 .19 48.1 34.0 550
200 60 130 0.08 10.0 2600 88.3 2.50 .18 46.1 37.0 550
11938MB-B0M-EA-00 4715MS-20T-B40-B00 200 50 130 0.13 15.0 2450 84.7 2.40 .21 52.0 35.0 550
200 60 130 0.11 13.0 2750 95.3 2.70 .23 58.0 39.0 550
11938MB-B0N-EA-00 4715MS-20T-B50-B00 200 50 130 0.14 15.0 2600 88.3 2.50 .26 64.7 37.0 550
200 60 130 0.12 13.0 2900 102.4 2.90 .31 76.5 41.0 550
11938MB-B2J-EA-00 4715MS-22T-B10-B00 220 50 145 0.05 6.0 1350 45.9 1.30 .06 14.0 27.0 550
220 60 145 0.04 5.5 1450 49.4 1.40 .06 15.0 28.0 550
11938MB-B2K-EA-00 4715MS-22T-B20-B00 220 50 145 0.06 7.0 2100 70.6 2.00 .13 31.4 32.0 550
220 60 145 0.06 7.0 1900 67.1 1.90 .08 19.6 30.0 550
11938MB-B2L-EA-00 4715MS-22T-B30-B00 220 50 145 0.09 11.0 2400 81.2 2.30 .19 48.1 34.0 550
220 60 145 0.08 10.0 2600 88.3 2.50 .18 46.1 37.0 550
11938MB-B2M-EA-00 4715MS-22T-B40-B00 220 50 145 0.11 14.0 2450 84.7 2.40 .21 52.0 35.0 550
220 60 145 0.10 12.0 2750 95.3 2.70 .23 58.0 39.0 550
11938MB-B2N-EA-00 4715MS-22T-B50-B00 220 50 145 0.12 14.0 2600 88.3 2.50 .26 63.8 37.0 550
220 60 145 0.10 13.0 2900 102.4 2.90 .30 75.6 41.0 550
NMBTC.COM / 248.919.2250
AC Axial Fans
Legacy Part No. 4715MS
11938MB (119 X 38L)
Specications
Rated Frequency Starting Current Input Speed Max. Max. Static Noise Mass
MODEL LEGACY P/N Voltage Voltage Power AirFlow Pressure
(V) (Hz) (V) (A)*1 (W) (min-1)*2 CFM*1 (m3/min)*2 in H2O (Pa)*2 (dB)*2 (g)
11938MB-B3J-EA-00 4715MS-23T-B10-A00 230 50 175 0.05 6.5 1350 45.9 1.30 .06 14.7 27.0 550
230 60 175 0.05 6.0 1450 49.4 1.40 .59 14.7 28.0 550
11938MB-B3K-EA-00 4715MS-23T-B20-A00 230 50 175 0.06 7.5 2100 70.6 2.00 .14 35.2 32.0 550
230 60 175 0.06 7.5 1900 67.0 1.90 .09 21.5 30.0 550
11938MB-B3L-EA-00 4715MS-23T-B30-A00 230 50 175 0.10 12.0 2400 81.0 2.30 .20 49.0 34.0 550
230 60 175 0.08 11.0 2600 88.2 2.50 .21 51.9 37.0 550
11938MB-B3M-EA-00 4715MS-23T-B40-A00 230 50 175 0.12 15.0 2450 85.0 2.40 .22 53.9 35.0 550
230 60 175 0.10 13.0 2750 95.0 2.70 .26 63.7 39.0 550
11938MB-B3N-EA-00 4715MS-23T-B50-A00 230 50 175 0.12 15.0 2600 88.2 2.50 .26 63.7 37.0 550
230 60 175 0.10 14.0 2900 102.0 2.90 .28 70.5 41.0 550
11938MB-B4J-EA-00 4715MS-24T-B10-A00 240 50 175 0.05 6.5 1350 45.9 1.30 .06 14.0 27.0 550
240 60 175 0.05 6.0 1450 49.4 1.40 .06 15.0 28.0 550
11938MB-B4K-EA-00 4715MS-24T-B20-A00 240 50 175 0.06 8.0 2100 70.6 2.00 .15 38.2 32.0 550
240 60 175 0.06 8.0 1900 67.1 1.90 .10 24.6 30.0 550
11938MB-B4L-EA-00 4715MS-24T-B30-A00 240 50 175 0.09 12.0 2400 81.2 2.30 .19 48.1 34.0 550
240 60 175 0.08 11.0 2600 88.3 2.50 .18 46.1 37.0 550
11938MB-B4M-EA-00 4715MS-24T-B40-A00 240 50 140 0.10 13.0 2450 84.7 2.40 .21 52.0 35.0 550
240 60 140 0.08 12.0 2750 95.3 2.70 .23 58.0 39.0 550
11938MB-B4N-EA-00 4715MS-24T-B50-A00 240 50 140 0.11 14.0 2600 88.3 2.50 .30 63.8 37.0 550
240 60 140 0.10 13.0 2900 102.4 2.90 .30 65.7 41.0 550
Rotation:Counterclockwise AirowOutlet:AirOutOverStruts *1:MaximumValuesinFreeAir
** Contact NMB for Availability *2: Average Values in Free Air
*3: Minimum Values in Free Air
NMBTC.COM / 248.919.2250