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Nema Type Motors Mounting Dimensions
NEMA standard high efficiency motors, are totally enclosed fancooled machines (IP54). This series motors are designed and manufactured in accordance with NEMA standard of U.S.A and C390-93 standard of Canada. They are of a novel style and of excellent workmanship. And are characterized as reliability safety, minimal temperature rise, high efficiency, low noise, low vibration, high starting torque, etc. 
The motors adopt design B and class F insulation. Their service Factor is 1.15. They are rated 208-230/460V,460V or 575V and 60Hz. The range of ambient temperature is from -15 oC to 40 oC, and the altitude dose not exceed 3300 feet above sea level. They are ideal for application with no special requirement. They can be used to drive various kinds of mechanical equipment. This series motors can be specially manufactured on request, such as T, TC, TD or H insulation class, different voltage, different frequency. 
Frame
Type
Dimensions (inch)
MAX
A 
MAX
B 
C
D
E
F
G
H
J
N
N-W
O
P
R
S
T
U
MIN
V 
W
MIN
ES 
AA
AB
BA
143T
7
6
12.473
3.5
2.75
2
0.512
0.34
1.45
2.447
2.25
7.48
7.09
0.771
0.188
-
0.875
2
0.197
1.41
0.75
6.89
2.25
145T
13.466
2.5
182T
9
6.5
15.11
4.5
3.75
2.25
0.669
0.41
2.04
2.99
2.75
10.29
9.06
0.986
0.25
1.4
1.125
2.5
0.24
1.78
0.75
7.45
2.75
184T
7.5
16.116
2.75
213T
10.5
7.5
18.89
5.25
4.25
2.75
0.787
0.41
2.45
3.695
3.38
12.4
10.63
1.201
0.312
1.75
1.375
3.12
0.315
2.41
1
8.63
3.5
215T
9
20.488
3.5
254T
12.5
10.8
23.292
6.25
5
4.125
0.866
0.53
2.87
4.4
4
15.12
13
1.416
0.375
2.15
1.625
3.75
0.4
2.91
1.25
11.2
4.25
256T
12.5
25.058
5
284T
14
12.5
26.634
7
5.5
4.75
0.945
0.53
2.87
5.02
4.62
16.89
14.17
1.591
0.5
2.35
1.875
4.38
0.4
3.28
1.5
12
4.75
284TS
25.25
3.25
1.416
0.375
1.625
3
1.91
286T
14
14
28.182
7
5.5
5.5
0.945
0.53
2.87
5.02
4.62
16.89
14.17
1.591
0.5
2.35
1.875
4.38
0.4
3.28
1.5
12
4.75
286TS
26.80
3.25
1.416
0.375
1.625
3
1.91
324T
16
14
29.95
8
6.25
5.25
0.945
0.66
2.87
5.25
5.25
18.83
15.75
1.845
0.5
2.55
2.125
5
0.4
3.91
2
13.4
5.25
324TS
28.45
3.75
1.591
1.875
3.5
2.03
326T
16
15.5
31.236
8
6.25
6
0.945
0.66
2.87
5.65
5.25
18.83
15.75
1.845
0.5
2.55
2.125
5
0.4
3.91
2
13.4
5.25
326TS
29.74
3.75
1.591
1.875
3.5
2.03
364T
18
15.2
32.582
9
7
5.625
1.06
0.66
3.26
6.28
5.88
21
17.7
2.021
0.625
2.55
2.375
5.62
0.4
4.28
3
15.7
5.88
364TS
30.45
3.75
1.591
0.5
1.875
3.5
2.03
365T
18
16.2
34.114
9
7
6.125
1.06
0.66
3.26
6.28
5.88
21
17.7
2.021
0.625
2.55
2.375
5.62
0.4
4.28
3
15.7
5.88
365TS
31.45
3.75
1.591
0.5
1.875
3.5
2.03
404T
20
16.2
36.81
10
8
6.125
1.2
0.81
3.15
7.28
7.25
24.1
22
2.45
0.75
3.15
2.875
7
0.48
5.65
3
18.07
6.62
404TS
33.819
4.25
1.845
0.5
2.125
4
2.78
405T
20
17.8
38.35
10
8
6.875
1.2
0.81
3.15
7.73
7.25
24.1
22
2.45
0.75
3.15
2.875
7
0.48
5.65
3
18.07
6.62
405TS
35.354
4.25
1.845
0.5
2.125
4
2.78
444T
22
18.5
42.52
11
9
7.25
1.4
0.81
3.35
8.98
8.5
25.2
22
2.88
0.875
3.55
3.375
8.25
0.48
6.91
3
19.07
7.5
444TS
38.94
4.75
2.021
0.625
2.375
4.5
3.03
445T
22
20.5
44.5
11
9
8.25
1.4
0.81
3.35
8.98
8.5
25.2
22
2.88
0.875
3.55
3.375
8.25
0.48
6.91
3
19.07
7.5
445TS
40.71
4.75
2.021
0.625
2.375
4.5
3.03
447T
22
24
48.03
11
9
10
1.4
0.81
3.35
8.98
8.5
25.2
22
2.88
0.875
3.55
3.375
8.25
0.48
6.91
3
19.07
7.5
447TS
44.25
4.75
2.021
0.625
2.375
4.5
3.03
505T
25
26
54
12.5
10
9
1.77
0.938
4.72
12.27
10.625
25.25
24.8
3.134
0.875
4.25
3.625
10.37
1.645
9
2
20.9
8.5

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