NEPX series explosion proof premium efficiency three phase induction motors(Frame 143-449) are developed by Jiangsu Dazhong Electric Motor Co.,ltd in line with NEMA standards, which ratings,mounting dimensions and electric performances meet the requirements of latest NEMA standards, these motors posses many remarkable features such as premium efficiency, low noise,little vibration, large margin of safety intemperature rise,popular shape,safe and reliable operation.
Application
a)one thermistor is embedded in per phase of the stator winding which will trip at 145degree to protect the winding from over heating.
b)Explosion proof features:
Class I Division 1,Group C and D
Class II Division 1, Group E,F and G
Temperature Code: T3C
1HP to 300HP
143T-449T
3600,1800 or 1200rpm@60Hz,3000,1500 or 1000rpm@50Hz
NEMA Design B
Class F insulation with B rise @SF=1.0
3 phase, 208-230/460V and 575V@60Hz,380V@50Hz
NEMA premium efficiency standards NEMA
IP55 protection
Continuous Duty
Maximum ambient 40 degree
Altitude up to 3300ft(1000m)
Induction Electric Motors Type NEPX |
Frame |
Power, HP at frequency of rotation |
The size of a shaft, mm at frequency of rotation, inch |
The connecting sizes, inch |
2р=2 |
2р=4 |
2р=6 |
2p=2 |
others |
3600 |
1800 |
1200 |
U x N-W |
2E |
2F1 |
2F2 |
BA |
D |
8-H |
AJ |
AK |
BF |
min -1 |
min -1 |
min -1 |
143 |
1 |
1 |
x |
0.875x2.25 |
5.5 |
4 |
5 |
2.75 |
3.5 |
0.34 |
5.875 |
4.5 |
3/8 |
1.5 |
x |
x |
145 |
2 |
1.5 |
1 |
x |
2 |
x |
182 |
3 |
3 |
1.5 |
1.125x2.75 |
7.5 |
4.5 |
5.5 |
3.5 |
4.5 |
0.41 |
7.25 |
8.5 |
1/2 |
184 |
5 |
5 |
2 |
213 |
7.5 |
7.5 |
3 |
1.375x3.38 |
8.5 |
5.5 |
7 |
4.25 |
5.3 |
0.41 |
7.25 |
8.5 |
1/2 |
215 |
10 |
10 |
5 |
254 |
15 |
15 |
7.5 |
1.625x4 |
10 |
8.3 |
10 |
4.25 |
6.3 |
0.53 |
7.25 |
8.5 |
1/2 |
256 |
20 |
20 |
10 |
284 |
25 |
25 |
15 |
1.625x3.25 |
1.875x4.62 |
11 |
9.5 |
11 |
4.75 |
7 |
0.53 |
9 |
10.5 |
1/2 |
286 |
30 |
30 |
20 |
324 |
40 |
40 |
25 |
1.875x3.75 |
2.215x5.25 |
13 |
10.5 |
12 |
5.25 |
8 |
0.66 |
11 |
12.5 |
5.8 |
326 |
50 |
50 |
30 |
364 |
60 |
60 |
40 |
1.875x3.75 |
2.375x5.88 |
14 |
11.25 |
12.25 |
5.88 |
9 |
0.66 |
11 |
12.5 |
5/8 |
365 |
75 |
75 |
50 |
404 |
x |
x |
60 |
2.215x4.25 |
2.875x7.25 |
16 |
12.25 |
13.75 |
6.62 |
10 |
0.81 |
11 |
12.5 |
5/8 |
405 |
100 |
100 |
75 |
444 |
125 |
125 |
100 |
2.375x4.75 |
3.375x8.5 |
18 |
14.5 |
16.5 |
7.5 |
11 |
0.81 |
14 |
16 |
5/8 |
445 |
150 |
150 |
125 |
447 |
200 |
200 |
150 |
2.375x4.75 |
3.375x8.5 |
18 |
20 |
25 |
7.5 |
11 |
0.81 |
14 |
16 |
5/8 |
449 |
250 |
250 |
200 |
we are good at AC motor with IEC/NEMA/GOST standard motor as below:
IEC----frame size:80-560, 0.12kw to 2000kw with 220~1100V, general purpose;
----frame size:80-560, 0.12kw to 2000kw with 220~1100V,Explosion proof ExdIIBT4+CT4;
IEC----frame size:355-900, 250kw to 5000kw with 3000~11000V,general purpose;
----frame size:355-900, 250kw to 5000kw with 3000~11000V,Explosion proof ExdIIBT4+CT4 ;
NEMA----frame size: 143T-449T, 1hp to 300hp with 230-690V, general purpose;
----frame size: 143T-449T, 1hp to 300hp with 230-690V, Explosion proof ExdIIBT4;
GOST----frame size: 63-560, 0.12kw to 2000kw with 220~1100V, general purpose;
----frame size: 63-450, 0.12kw to 1500kw with 220~1100V, Explosion proof ExdIIBT4;
GOST----frame size: 355-560, 185kw to 2500kw with 3000~11000V, general purpose;
----frame size: 355-560, 185kw to 2500kw with 3000~11000V,Explosion proof ExdIIBT4;
Certificate: ISO9001/CCC/CE0123/ATEX/CCS/CSA/UL/TUV...