11938MB (119 X 38L)
Legacy Part No. 4715MS
NMBTC.COM / 248.919.2250
Characteristic Curves
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:
In H2O
(Pa)
.32
80
.24
60
.16
40
Ps .08
20
Static Pressure
General Specifications
-10°C ~ +70°C (Operating)
-40°C ~ +70°C (Storage)
(non-condensing environment)
0
0
1
2
3
70
106
4
(m3/min)
140 CFM
Air Flow
.24
60
.16
40
Ps .08
20
Static Pressure
100,000 Hours
Material
: Aluminum (Black Painting)
: Plastic (Black) UL94V-0
: Ball Bearing
: AWG22, UL3266
: Faston #110 or equivalent
60Hz
50Hz
K
0
0
1
35
2
3
70
106
4
(m3/min)
141 CFM
Air Flow
Panel Cut-Outs
In H2O
(Pa)
.32
80
4.14
(105)
φ
11 4.5
6. 9
5)
(φ
4.56
(115)
.169
4 – (φ4.3 ± 0.2)
.24
60
.16
40
Ps .08
20
Static Pressure
inch
Units: (mm)
0
4.14
(105)
4.56
(115)
L
0
1
35
2
3
70
106
4
(m3/min)
140 CFM
Air Flow
In H2O
(Pa)
80
.32
.24
60
.16
40
Ps .08
20
Static Pressure
INLET SIDE / OUTLET SIDE
Outline
.169
8 – (φ4.3 ± 0.2)
60Hz
50Hz
ROTATION
0
0
60Hz
50Hz
1
35
M
2
3
70
106
4
(m3/min)
140 CFM
AIR
1.50 ± .02
(38 ± 0.5)
4.13 ± .01
(105 ± 0.3)
4.69 ± .02
(119)
(Pa)
In H2O
.32
80
.24
60
.16
40
Ps .08
20
Static Pressure
NAME PLATE
4.13 ± .01
(105 ± 0.3)
4.69 ± .02
(119)
Air Flow
0
Flange type
0
60Hz
50Hz
1
35
N
2
3
70
106
Air Flow
4
(m3/min)
141 CFM
DC
AC Axial Fans
(Pa)
In H2O
.32
80
Failure Rate: 10%
Casing
Impeller
Bearing
Lead Wire
or Terminal
J
35
Expected Life
25°C
60Hz
50Hz
11938MB (119 X 38L)
Legacy Part No. 4715MS
NMBTC.COM / 248.919.2250
Specifications
MODEL
Rated Frequency Starting Current Input Speed
Voltage
Voltage
Power
LEGACY P/N
(V)
11938MB-A0J-EA-00
4715MS-10T-B10-B00
AC Axial Fans
11938MB-A0K-EA-00
4715MS-10T-B20-B00
11938MB-A0M-EA-00
4715MS-10T-B40-B00
11938MB-A0N-EA-00
4715MS-10T-B50-B00
11938MB-A1J-EA-00
4715MS-12T-B10-A00
11938MB-A1K-EA-00
4715MS-12T-B20-A00
11938MB-A1L-EA-00
4715MS-12T-B30-A00
11938MB-A1M-EA-00
4715MS-12T-B40-A00
11938MB-A1N-EA-00
4715MS-12T-B50-A00
11938MB-B0N-EA-00
4715MS-20T-B50-B00
11938MB-B2J-EA-00
4715MS-22T-B10-B00
50
65
0.11
7.0
1350
45.9
1.30
.06
14.0
27.0
550
60
65
0.10
6.5
1450
49.4
1.40
.06
15.0
28.0
550
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
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
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
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
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
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
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
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
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
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
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
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
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
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
220
50
145
0.05
6.0
1350
45.9
1.30
.06
14.0
27.0
550
11938MB-B2K-EA-00 4715MS-22T-B20-B00
11938MB-B2L-EA-00
4715MS-22T-B30-B00
(g)
100
11938MB-B0L-EA-00 4715MS-20T-B30-B00
11938MB-B0M-EA-00
4715MS-20T-B40-B00
(Pa)*2 (dB)*2
100
11938MB-B0J-EA-00 4715MS-20T-B10-B00
11938MB-B0K-EA-00
4715MS-20T-B20-B00
Mass
(V)
11938MB-A0L-EA-00 4715MS-10T-B30-B00
(W) (min-1)*2 CFM*1 (m3/min)*2 in H2O
Noise
(Hz)
(A)*1
Max.
Max. Static
Air Flow Pressure
220
60
145
0.04
5.5
1450
49.4
1.40
.06
15.0
28.0
550
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
220
50
145
0.09
11.0
2400
81.2
2.30
.19
48.1
34.0
550
11938MB-B2M-EA-00 4715MS-22T-B40-B00
11938MB-B2N-EA-00 4715MS-22T-B50-B00
220
60
145
0.08
10.0
2600
88.3
2.50
.18
46.1
37.0
550
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
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
11938MB (119 X 38L)
Legacy Part No. 4715MS
NMBTC.COM / 248.919.2250
Specifications
MODEL
Rated Frequency Starting Current Input Speed
Voltage
Voltage
Power
LEGACY P/N
(V)
11938MB-B3J-EA-00
4715MS-23T-B10-A00
AC Axial Fans
550
50
175
0.05
6.5
1350
45.9
1.30
.06
14.7
27.0
230
60
175
0.05
6.0
1450
49.4
1.40
.59
14.7
28.0
550
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
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
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
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
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
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
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
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
240
50
140
0.11
14.0
2600
88.3
2.50
.30
63.8
37.0
550
60
140
0.10
13.0
2900
102.4
2.90
.30
65.7
41.0
550
11938MB-B4N-EA-00
240
Rotation: Counterclockwise
Contact NMB for Availability
**
(g)
230
11938MB-B4L-EA-00 4715MS-24T-B30-A00
11938MB-B4M-EA-00
4715MS-24T-B40-A00
(Pa)*2 (dB)*2
(A)*1
11938MB-B3N-EA-00 4715MS-23T-B50-A00
11938MB-B4K-EA-00
4715MS-24T-B20-A00
Mass
(V)
11938MB-B3M-EA-00 4715MS-23T-B40-A00
11938MB-B4J-EA-00
4715MS-24T-B10-A00
(W) (min-1)*2 CFM*1 (m3/min)*2 in H2O
Noise
(Hz)
11938MB-B3K-EA-00 4715MS-23T-B20-A00
11938MB-B3L-EA-00
4715MS-23T-B30-A00
Max.
Max. Static
Air Flow Pressure
Airflow Outlet: Air Out Over Struts
*1: Maximum Values in Free Air
*2: Average Values in Free Air
*3: Minimum Values in Free Air
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