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出口产品 >> Electric and Machinery >> Electric Motor >> NEMA Standard Motors 

Product name :NEMA Frame Explosion Proof Motors
Product descriptions:

NEMA Frame Explosion Proof Motors

 Features:
●         AEX Series High Efficiency Three Phase explosion proof Motors (Frame 140-440) are developed in line with NEMA Standards, which ratings, mounting dimensions and electrical performances meet the requirements of latest NEMA Standards, among which efficiencies meet the requirements of NEMA MG1.12-1995, which is equal to CSA C390, 1993 Standard. Measurement of efficiency and losses is as per IEEE112B.
●        One thermistor is equipped in the stator winding which will trip at 145 ℃ to protect the winding from burning.
●         Explosion proof features: Class 1, Division 1, Group C and D Class ll, Division l, Group E, F and G. Temperature Code: T3C
 
●         High efficiency and energy saving, low noise, little vibration, large margin of safety in temperature rise, popular shape, safe and reliable operation.
●        NEMA Design B. Insulation Class F., Service factor  1.15. Rated voltage 230/460V or 575V. Frequency is 60Hz. Protection is IP55 and cooling is IC0141.
●        Suitable for the applications without special requirements to drive various machinery and equipment. The maximum ambient temperature shall not exceed 40 ℃and altitude shall not exceed 3300 ft (1000 m).
●        Vacuum-pressure-impregnated (VPI) treated to be a solid integral. This process enables the winding to have excellent electrical and mechanical properties, high moisture resistance and thermal stability.
●         The cast aluminum rotor is fixed on the shaft by means of hot fit. The rotor is dynamically balanced to achieve little vibration.
●         Shielded ball bearings are adopted for frame 143T ~ 215T motors. And bearings open with covers are adopted for frame 254T ~ 449T motors. Such motors are fitted with re-greasing nipples.
●         The conduit box is on the central line of the enclosure. It can be F1/F2convertible. The conduit box is made of cast iron. And the opening is of NPT threads. There are grounding bolts and connection diagram inside the conduit box.
●         The fan is made of cast iron. The fan cover is made of steel sheet or cast iron
Application:
●         These motors are used in hazardous environments having certain explosive gases or materials present.
●         Class I
Group C: Acetaldehyde, cyclopropane, diethyl ether, ethylene
Group D: Acetone, acrylonitrile, ammonia, benzene, butane, ethanol ethylene dichloride, gasoline, hexane, isoprene, methane (natural gas), methanol, naphtha, propane, propylene, styrene, toluene, vinyl acetate, vinyl chloride, xylene.
●         Class II
Group E: Aluminum, magnesium and other metal dusts with similar characteristics.
Group F: Carbon black, coke or coal dust.
Group G: Flour, starch or grain dust.


 

                                                                                 Table 1
────────────────────────────────
HP                 3600 RPM            1800 RPM            1200 RPM                 900 RPM
────────────────────────────────
0.5                                                                                                                  143T
0.75                                                                             143T                           145T
 
1                                                      143T                    145T                           182T
1.5                143T                           145T                    182T                           184T
2                   145T                           145T                    184T                           213T
 
3                   182T                           182T                    213T                           215T
5                   184T                           184T                    215T                           254T
7.5                213T                           213T                    254T                           256T
 
10                 215T                           215T                    256T                           284T
15                 254T                           254T                    284T                           286T
20                 256T                           256T                    286T                           324T
 
25                 284TS                         284T                    324T                           326T
30                 286TS                         286T                    326T                           364T
40                 324TS                         324T                    364T                           365T
 
50                 326TS                         326T                    365T                           404T
60                 364TS                         364TS+                404T                           405T
75                 365TS                         365TS+                405T                           444T
 
100               405TS                         405TS+                444T                           445T
125               444TS                         444TS+                445T                           447T
150(200)       445TS                         445TS+                447T                           449T
 
200(250)       447TS                         447/9TS+             449T
250(300)       449TS                         449TS+                449T
*When motors are to be used with V-belt or chain device, the correct frame size is the frame size shown but the suffix letter S omitted
 
 
 
 
TECHNICAL DATA
Model
HP
Speed
(RPM)
Frame
Volt
Code*
Efficiency (%)
Power Factor (%)
Torque (ft.lbs)
Ampere (460V)
Weight
(lbs)
100%
75%
50%
100%
75%
50%
FLT
BDT
LRT
FLA
LRA
AEX143/1-4P
AEX145/1-6P
1
1
 
1725
1150
 
143T
145T
 
A,B
A,B
 
82.5
80.0
 
81.7
78.0
 
78.1
75.2
 
69
63
60
50
47
38
 
3.04
4.57
9.2
12.3
 
8.5
7.8
1.65
1.86
15
15
66
66
AEX143/1,5-2P
AEX145/1.5-4P
AEX182/1.5-6P
1.5
1.5
1.5
3445
1720
1160
143T
145T
182T
A,B
A,B
A,B
82.5
84.0
85.5
83.1
83.8
84.9
82.5
81.0
82.5
84
73
68
79
64
58
70
49
43
2.29
4.58
6.79
5.8
12.6
17.3
4.1
11.5
11.5
2.02
2.29
2.42
20
20
20
62
70
110
AEX145/2-2P
AEX145/2-4P
AEX184/2-6P
2
2
2
3505
1745
1165
145T
145T
184T
A,B
A,B
A,B
84.0
84.0
86.5
85.7
87.7
87.4
84.0
83.5
83.9
86
78
70
81
71
60
71
56
46
3.05
6.1
9.05
9.4
16.8
22.2
5.3
14.6
14.9
2.59
2.86
3.09
25
25
25
70
79
112
AEX182/3-2P
AEX182/3-4P
AEX213/3-6P
3
3
3
3505
1745
1165
182T
182T
213T
A,B
A,B
A,B
85.5
87.5
87.5
 
88.2
88.2
87.8
84.7
86.4
86.1
87
81
73
81
73
65
71
62
53
4.49
9.03
13.50
10.5
23.1
31.7
7.4
19.9
21.6
3.78
3.97
4.40
32
32
32
114
121
187
AEX184/5-2P
AEX184/5-4P
AEX215/5-6P
5
5
5
3505
1745
1165
 
184T
184T
215T
A,B
A,B
A,B
87.5
87.5
87.5
89.0
89.8
90.0
87.9
87.4
86.4
90
84
75
87
79
70
80
69
58
7.49
15.0
22.5
16.5
34.5
49.5
11.6
28.5
34.6
5.95
6.37
7.14
46
46
46
130
134
207
AEX213/7.5-2P
AEX213/7.5-4P
AEX254/7.5-6P
7.5
7.5
7.5
3505
1745
1170
213T
213T
254T
A,B
A,B
A,B
88.5
89.5
89.5
90.1
89.9
90.5
88.8
87.9
89.7
89
81
75
87
75
70
82
64
62
11.2
22.6
33.6
22.9
49.7
70.6
16.2
40.7
52.1
8.92
9.09
9.83
63
63
63
231
242
275
AEX215/10-2P
AEX215/10-4P
AEX256/10-6P
10
10
10
3505
1745
1170
215T
215T
256T
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
215
A,B
A,B
A,B
89.5
89.5
89.5
90.6
91.4
91.0
89.8
88.9
90.2
88
81
78
87
78
75
83
60
66
15.0
30.1
44.9
30.8
61.7
92.1
21.0
91.2
69.9
11.9
12.9
13.3
81
81
81
264
262
308
AEX254/15-2P
AEX254/15-4P
AEX284/15-6P
15
15
15
3520
1760
1170
254T
254T
284T
A,B
A,B
A,B
90.2
91.0
90.2
 
90.9
91.5
91.4
90.5
90.8
89.9
90
85
83
88
81
79
83
72
70
22.4
44.7
67.3
45.9
91.6
138.0
30.2
73.7
97.6
17.3
18.2
18.8
116
116
116
330
341
495
AEX256/20-2P
AEX256/20-4P
AEX256/20-6P
20
20
20
3515
1755
1170
256T
256T
286T
A,B
A,B
A,B
90.2
91.0
90.2
91.5
93.1
91.9
91.0
91.3
91.5
91
85
84
90
83
81
85
75
73
29.9
59.8
89.7
61.3
123
184
404
92.7
126
22.8
24.2
24.7
145
145
145
363
374
550
AEX284/25-2P
AEX284/25-4P
AEX324/25-6P
25
25
25
3525
1765
1175
284TS
284T
T324
A,B
A,B
A,B
91.0
92.4
91.7
91.6
93.1
91.9
91.4
93.0
91.4
90
90
83
89
87
79
85
81
70
37.2
74.4
111.7
76.3
153
229
50.2
115
156
28.6
28.2
30.8
182
182
182
462
572
616
AEX286/30-2P
AEX286/30-4P
AEX326/30-6P
30
30
30
3525
1765
1175
286TS
286T
326T
 
A,B
A,B
A,B
91.0
92.4
91.7
91.0
93.4
93.3
91.5
93.0
91.4
91
90
84
90
88
80
86
82
71
44.7
89.2
134.0
91.6
183
275
60.3
138
188
33.9
33.8
36.5
217
217
217
528
627
660
AEX324/40-2P
AEX324/40-4P
AEX364/40-6P
40
40
40
3540
1770
1180
324TS
324T
364T
A,B
A,B
A,B
91.7
93.0
93.0
 
92.6
93.5
93.4
91.7
93.1
93.0
90
89
85
84
86
81
84
80
74
59.3
118.6
178.0
122
243
365
77.1
172
249
45.4
45.3
47.4
290
290
290
649
669
869
AEX326/50-2P
AEX326/50-4P
AEX365/50-6P
50
50
50
3550
1770
1180
326TS
326T
365T
A,B
A,B
A,B
92.4
93.0
93.0
93.1
93.8
94.0
92.2
93.3
93.1
90
89
86
89
87
83
84
81
76
73.9
148.3
222.5
152
304
456
92.4
215
312
56.2
56.6
58.6
362
362
362
693
715
902
AEX346/60-2P
AEX346/60-4P
AEX404/60-6P
60
60
60
3560
1775
1185
346TS
346T
404T
A,B
A,B
A,B
93.0
93.6
93.6
93.2
94.3
94.0
92.7
93.6
93.9
90
89
87
88
87
85
84
82
80
88.5
177.5
265.8
181
364
545
111
257
372
67.2
67.5
69.0
435
435
435
875
880
1166
AEX365/75-2P
AEX365/75-4P
AEX365/75-6P
75
75
75
3565
1775
1185
365TS
365T
405T
A,B
A,B
A,B
93.0
94.1
93.6
93.9
94.8
94.4
92.8
94.1
93.9
91
89
88
89
87
87
85
82
82
110.4
221.8
332.3
226
455
681
121
322
465
83.0
83.9
85.3
542
542
542
902
946
1243
AEX405/100-2P
AEX405/100-4P
AEX405/100-6P
100
100
100
3565
1775
1185
405TS
405T
444T
A,B
A,B
C,B
93.6
94.5
94.1
93.9
94.8
94.4
93.7
94.6
94.2
91
90
89
90
89
88
87
85
84
147.3
295.8
443.0
302
606
908
162
385
576
110.0
110.2
111.9
725
725
725
1276
1298
1588
AEX444/125-2P
AEX444/125-4P
AEX445/125-6P
125
125
125
3570
1780
1185
T444
444ST
445T
C,B
C,B
C,B
 
94.5
94.5
94.1
94.4
94.7
94.5
93.8
94.6
94.3
90
90
89
87
88
<, D, , IV align=center>88
81
84
84
183.8
368.7
553.8
377
756
1135
191
424
720
137.7
137.7
139.8
907
907
907
1551
1540
1698
AEX445/150-2P
AEX445/150-4P
AEX445/150-6P
150
150
150
3570
1780
1185
445TS
445T
445T
C,B
C,B
C,B
 
94.5
95.0
95.0
94.4
95.2
95.2
93.9
95.1
95.0
90
90
88
88
89
87
82
85
84
220.6
442.4
664.6
452
907
1362
232
509
831
165.2
164.4
168.1
1085
1085
1085
1661
1698
1830
AEX445/200-2P
AEX445/200-4P
AEX447/200-6P
200
200
200
3570
1785
1185
445TS
445T
447T
C,B
C,B
C,B
 
95.0
95.0
95.0
95.1
95.4
95.2
94.7
95.3
95.1
90
90
88
89
89
87
85
86
84
294.1
588.2
886.1
603
1206
1817
309
618
1107
219.2
219.2
224.2
1450
1450
1450
1760
1830
2112
AEX447/250-2P
AEX447/250-4P
AEX449/250-6P
250
250
250
3575
1785
1185
447TS
447T
449T
C,B
C,B
C,B
95.4
95.0
95.0
95.5
95.3
95.3
95.2
95.1
95.1
90
90
88
89
89
87
85
86
84
367.1
735.3
1108
752
1507
2271
385
772
1163
272.8
274.0
280.2
1825
1825
1825
1980
2090
2398
AEX449/300-2P
AEX449/300-4P
300
300
3575
1785
449TS
449T
C,B
C,B
95.4
95.4
95.5
95.7
95.1
95.6
90
90
89
89
85
87
440.6
882.4
903
1809
463
927
327.4
327.4
2200
2200
2310
2409
*Voltage code: A=208-230/460, B=575V, E=230/460V.
Overall Dimensions   inch
Frame
A
(max.)
B
(max.)
C
D
2E
2F
G
H
J
O
P
R
S
T
U
V
(min.)
ES
(min.)
AA
(NPT)
AB
BA
N-W
143T
7.0
6.9
14.6
3.5
5.5
4.0
0.50
0.3
1.4
7.6
7.5
0.771
0.188
1.6
0.875
2.00
1.41
3/4
6.9
2.25
2.25
145T
7.0
6.9
14.6
3.5
5.5
5.0
0.50
0.3
1.4
7.6
7.5
0.771
0.188
1.6
0.875
2.00
1.41
3/4
6.9
2.25
2.25
182T
9.0
8.0
17.1
4.5
7.5
4.5
0.70
0.4
1.8
9.0
9.8
0.986
0.25
1.6
1.125
2.50
1.78
3/4
8.3
2.75
2.75
184T
9.0
8.0
17.1
4.5
7.5
5.5
0.70
0.4
1.8
9.0
9.8
0.986
0.25
1.6
1.125
2.50
1.78
3/4
8.3
2.75
2.75
213T
10.0
8.7
20.3
5.25
8.5
5.5
0.8
0.4
2.4
10.5
11.4
1.201
0.312
2
1.375
3.12
2.41
1
10.0
3.50
3.38
215T
10.0
8.7
20.3
.25
8.5
7.0
0.8
0.4
2.4
10.5
11.4
1.201
0.312
2
1.375
3.12
2.41
1
10.0
3.50
3.38
254T
12.5
12.5
26.2
6.25
10.0
8.25
0.9
0.5
2.8
13.4
14.1
1.416
0.375
2.4
1.625
3.75
2.91
1.25
13.6
4.25
4.00
256T
12.5
12.5
26.2
6.25
10.0
10.0
0.9
0.5
2.8
13.4
14.1
1.416
0.375
2.4
1.625
3.75
2.91
1.25
13.6
4.25
4.00
284T
14.0
14.0
29.6
7.0
11.0
9.5
0.9
0.5
2.8
15.2
15.8
1.501
0.5
2.4
1.875
4.38
3.28
1.5
14.3
4.75
4.62
284TS
14.0
14.0
28.2
7.0
11.0
9.5
0.9
0.5
2.8
15.2
15.8
1.416
0.375
2.4
1.625
3.00
1.91
1.5
14.3
4.75
3.25
286T
14.0
14.0
29.6
7.0
11.0
11.0
0.9
0.5
2.8
15.2
15.8
1.591
0.5
2.4
1.875
4.38
3.28
1.5
14.3
4.75
4.62
286TS
14.0
14.0
28.2
7.0
11.0
11.0
0.9
0.5
2.8
15.2
15.8
1.416
0.375
2.4
1.625
3.00
1.91
1.52
14.3
4.75
3.25
324T
16.0
15.0
33.3
8.0
12.5
10.5
1.1
0.7
2.8
17.5
18.0
1.854
0.5
2.5
2.125
5.0
3.91
2
15.6
5.25
5.25
324TS
16.0
15.5
33.7
8.0
12.5
10.5
1.1
0.7
2.8
17.5
18.0
1.591
0.5
2.5
1.875
3.5
2.03
2
15.6
5.25
3.75
326T
16.0
15.5
33.3
8.0
12.5
12.0
1.1
0.7
2.8
17.5
18.0
1.854
0.5
2.5
2.125
5.0
3.91
2
15.6
5.25
5.25
326TS
16.0
15.5
31.7
8.0
12.5
12.0
1.1
0.7
2.8
17.5
18.0
1.591
0.5
2.5
1.875
3.5
2.03
3
15.6
5.25
3.75
364T
18.0
16.2
35.5
9.0
14.0
11.25
1.1
0.7
3
19.0
19.5
2.021
0.625
2.5
2.375
5.62
4.28
3
16.5
5.88
5.88
364TS
18.0
16.2
33.3
9.0
14.0
11.25
1.1
0.7
3
19.0
19.5
1.591
0.5
2.5
1.875
3.50
2.03
3
16.5
5.88
3.75
365T
18.0
16.2
35.5
9.0
14.0
12.25
1.1
0.7
3
19.0
19.5
2.021
0.625
2.5
2.375
5.62
4.28
3
16.5
5.88
5.88
365TS
18.0
16.2
33.3
9.0
14.0
12.25
1.1
0.7
3
19.0
19.5
1.501
0.5
2.5
1.875
3.50
2.03
3
16.5
5.88
3.75
404T
20.0
17.8
38.6
10.0
16.0
12.25
1.2
0.8
3.2
21.3
21.6
2.45
0.75
2.9
2.875
7.00
5.65
3
18.7
6.62
7.25
404TS
20.0
17.8
35.6
10.0
16.0
12.25
1.2
0.8
3.2
21.3
21.6
1.045
0.5
2.9
2.125
4.00
2.78
3
18.7
6.62
4.25
405T
20.0
17.8
38.6
10.0
16.0
13.75
1.2
0.8
3.2
21.3
21.6
2.45
0.75
2.9
2.875
7.00
5.65
3
18.7
6.62
7.25
405TS
20.0
17.8
35.6
10.0
16.0
13.75
1.2
0.8
3.2
21.3
21.6
1.845
0.5
2.9
2.125
4.00
2.78
3
18.7
6.62
4.25
444T
22.0
20.5
45.8
11.0
18.0
14.5
1.4
0.8
3.4
23.5
24.0
2.88
0.875
3.5
2.375
8.25
6.91
3
19.7
7.50
8.50
444TS
22.0
20.5
41.8
11.0
18.0
14.5
1.4
0.8
3.4
23.5
24.0
2.021
0.625
3.5
2.375
4.50
3.03
3
19.7
7.50
4.75
445T
22.0
20.5
45.5
11.0
18.0
16.5
1.4
0.8
3.4
23.5
24.0
2.88
0.875
3.5
2.375
8.25
6.91
3
19.7
7.50
8.50
445TS
22.0
20.5
41.8
11.0
18.0
16.5
1.4
0.8
3.4
23.5
24.0
2.021
0.625
3.5
2.375
4.50
3.03
3
19.7
7.50
4.75
447T
22.0
29.0
57.3
11.0
18.0
20.0
1.4
0.8
3.4
23.5
24.0
2.88
0.875
4.3
2.375
8.25
6.91
3
19.7
7.50
8.50
447TS
22.0
29.0
53.5
11.0
18.0
20.0
1.4
0.8
3.4
23.5
24.0
2.021
0.625
4.3
2.375
4.50
3.03
3
19.7
7.50
4.75
449T
22.0
29.0
57.3
11.0
18.0
25.0
1.4
0.8
3.4
23.5
24.0
2.88
0.875
4.3
2.375
8.25
6.91
3
19.7
7.50
8.50
449TS
22.0
29.0
53.5
11.0
18.0
25.0
1.4
0.8
3.4
23.5
24.0
2.021
0.625
4.3
2.375
4.50
3.03
3
19.7
7.50
4.75


 

C Face Dimension  inch
Frame Size
AJ
AK
BA
BB
(Min)
BC
BD
(Max)
BF Hole
U
AH
Key seat
Number
Tap
Size
Bolt
Penetration
Allowance
R
’ES
Min
S
143TC  45TC
5.9
4.5
2.75
0.16
+0.12
6.5
4
3/8-16
0.56
0.875
2.12
0.771
1.41
0.188
182TC  84TC
7.3
8.5
3.5
0.25
+0.12
9
4
1/2-13
0.75
1.125
2.62
0.986
1.78
0.25
213TC  215TC
7.3
8.5
4.25
0.25
+0.25
9
4
1/2-13
0.75
1.375
3.12
1.201
2.41
0.312
254TC  256TC
7.3
8.5
4.75
0.25
+0.25
10
4
1/2-13
0.75
1.625
3.75
1.416
2.91
0.375
284TC  286TC
9
10.5
4.75
0.25
+0.25
11.25
4
1/2-13
0.75
1.875
4.38
1.591
3.28
0.500
284TSC 286TSC
9
10.5
4.75
0.25
+0.25
11.25
4
1/2-13
0.75
1.625
3.00
1.416
1.91
0.375
324TC  326TC
11
12.5
5.25
0.25
+0.25
14
4
5/8-11
0.94
2.125
5.00
1.845
3.91
0.500
324TSC 326TSC
11
12.5
5.25
0.25
+0.25
14
4
5/8-11
0.94
1.875
3.50
1.591
2.03
0.500
364TC  365TC
11
12.5
5.88
0.25
+0.25
14
8
5/8-11
0.94
2.375
5.62
2.021
4.28
0.625
364TSC 365TSC
11
12.5
5.88
0.25
+0.25
14
8
5/8-11
0.94
1.875
3.50
1.591
2.03
0.500
404TC  405TC
11
12.5
6.62
0.25
+0.25
15.5
8
5/8-11
0.94
2.875
7.00
2.45
5.65
0.750
404TSC 405TSC
11
12.5
6.62
0.25
+0.25
15.5
8
5/8-11
0.94
2.125
4.00
1.845
2.78
0.500
444TC  445TC
14
16
7.5
0.25
+0.25
18
8
5/8-11
0.94
3.375
8.25
2.88
6.91
0.875
444TSC 445TSC
14
16
7.5
0.25
+0.25
18
8
5/8-11
0.94
2.375
4.50
2.021
3.03
0.625
 
 
D Face Dimension    inch
Frame Size
AJ
Ak
BA
BB
B
C
BD
max
BE
Nom.
BF Hole
U
AH
Key seat
Number
Size
Recommended
Bolt Length
R
’ES
Min
S
143TD 145TD
10
9
2.75
0.25
0
11
0.5
4
0.53
1.25
0.875
2.25
0.771
1.41
0.188
182TD 184TD
3.5
1.125
2.75
0.986
1.78
0.250
213TD 215TD
4.25
1.375
3.38
1.201
2.41
0.312
254TD 256TD
12.5
11
4.75
14
0.75
0.81
2
1.625
4.00
1.416
2.91
0375
284TD 286TD
1.875
4.62
1.591
3.28
0.500
284TSD 286TSD
1.625
3.25
1.416
1.91
0.375
324TD 326TD
16
14
5.25
18
2.125
5.25
1.845
3.91
0.500
324TSD 326TSD
1.875
3.75
1.591
2.03
0.500
364TD 365TD
5.88
2.375
5.88
2.021
4.28
0.625
364TSD 365TSD
1.875
3.75
1.591
2.03
0.500
404TD 405TD
20
18
6.62
22
1
8
2.25
2.875
7.25
2.45
5.65
0.750
404TSD 405TSD
2.125
4.25
1.845
2.78
0.500
444TD 445TD
7.5
3.375
8.50
2.88
6.91
0.875
444TSD 445TSD
2.375
4.75
2.021
3.03
0.625
 


 

 
 
 
 
 




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