NEMA Standard Premium Efficiency Three Phase Induction Electric Motor

NEMA Standard Premium Efficiency Three Phase Induction Electric Motor

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NEMA Standard Premium Efficiency Three Phase Induction Motor Design

  • NEMA standard high-efficiency three-phase asynchronous motor (B design)
  • This series of motors adopts F-class insulation
  • The protection level is IP54 (IP55)
  • Using a factor of 1.15
  • The voltage class is 230/460V, 460V or 575V ,the rated frequency is 60Hz
  • The ambient temperature range is -15~40°C, and the altitude does not exceed 3300 feet.
  • It is suitable for occasions without special requirements and can be used as a power supply for various mechanical equipment
  • This series of motors can be specially manufactured according to user needs

NEMA Standard Premium Efficiency Three Phase Induction Motor Technical Data

Voltage Frame No. 230V/460V 460V 575V
230V 460V
L1,L2,L3 Tie together L1,L2,L3 Tie together L1,L2,L3 Tie together L1,L2,L3 Tie together
143T-184T 213T-215T（6P） （T1,T7）（T2,T8）（T3,T9）（B） （T4,T5,T6） T1,T2,T3（B） （T4,T7）（T5,T8）（T6,T9） — T1,T2,T3（A） —
213T-215T（2,4P）254T-256T T1,T2,T3（D） （T1,T6,T7）（T2,T4,T8）（T3,T5,T9） T1,T2,T3（D） （T4,T7）（T5,T8）（T6,T9）
284T TS-286T TS 324T TS-365T TS 404T TS-504/5T（6P） T1,T2,T3（E） （T1,T6,T7,T12）（T2,T4,T8,T10）（T3,T5,T9,T11） T1,T2,T3（E） （T4,T7）（T5,T8）（T6,T9）（T1,T12）（T2,T10）（T3,T11） T1,T2,T3（C） （T1,T6）（T2,T4）（T3,T5） T1,T2,T3（C） （T1,T6）（T2,T4）（T3,T5）
449T 504/5T TS 586/7T — — — — T1,T2,T3（C） （T1,T6）（T2,T4）（T3,T5） T1,T2,T3（C） （T1,T6）（T2,T4）（T3,T5）

NEMA Standard Premium Efficiency Three Phase Induction Motor Type and Power

Frame Synchronous Speed（r/min）
3600 1800 1200 900
OutputPower
HP kW HP kW HP kW HP KW
143T 1.0 0.75 – – – – – –
143T 1.5 1.1 1.0 0.75 – – – –
145T 2.0 1.5 1.5 1.1 1.0 0.75 – –
145T – – 2.0 1.5 – – – –
182T 3.0 2.2 3.0 2.2 1.5 1.0 – –
184T 5.0 3.7 5.0 3.7 2.0 1.5 – –
213T 7.5 5.5 7.5 5.5 3.0 2.2 – –
215T 10 7.5 10 7.5 5.0 3.7 3 2.2
254T 15 11 15 11 7.5 5.5 5 3.7
256T 20 15 20 15 10 7.5 7.5 5.5
284T TS 25 18.5 25 18.5 15 11 10 7.5
286T TS 30 22 30 22 20 15 15 11
324T TS 40 30 40 30 25 18.5 20 15
326T TS 50 37 50 37 30 22 25 18.5
364T TS 60 45 60 45 40 30 30 22
365T TS 75 55 75 55 50 37 40 30
404T TS – – – 60 45 50 37
405T TS 100 75 100 75 75 55 60 45
444T TS 125 90 125 90 100 75 75 55
445T TS 150 110 150 110 125 90 100 75
447T TS 200 150 200 150 150 110 125 90
449TS 250 185 – – – – – –
449T – – 250 185 200 150 150 110
449T – – – – – – 200 150
504/5T – – 250 185 150 110 – –
504/5T – 250 185 200 150 – –
449T 586/7T – – 250 185 250 185 – –
449T 586/7T – – 300 220 300 220 – –
449T 586/7T – – 350 260 350 260 – –
586/7T – – 400 295 400 295 250 185
586/7T – – 450 330 450 330 300 220
586/7T – – 500 370 500 370 350 260

NEMA Standard Premium Efficiency Three Phase Induction Motor Technical Parameter:

1. NEMA Standard Three Phase Induction Electric Motor (Synchronous Speed 3600r/min 60Hz)

Type Rated Power At full load EFF η(%) Locked Current (A) under 460V Locked Torque Rated Torque (%) Max Torque Rated Torque (%)
Speed (r/min) Current (A) under 460V Connection Method 230/460V Current (A) under 575V Connection Method 575V Power Factor (cosφ)
FL 100% FL 75%
HP kW
Synchronous Speed 3600r/min 60Hz
143T 1.0HP 0.75KW 3480 1.56 2Y/Y 1.25 Y 0.78 77 78 15 180 260
143T 1.5HP 1.1KW 3490 2.09 2Y/Y 1.67 Y 0.80 82.5 82.0 20 230 320
145T 2.0HP 1.5KW 3495 2.74 2Y/Y 2.19 Y 0.80 84 83.5 25 230 320
182T 3HP 2.2KW 3490 3.82 2Y/Y 3.06 Y 0.85 86.5 87.0 32 200 340
184T 5HP 3.7KW 3490 6.01 2Y/Y 4.81 Y 0.88 88.5 89.8 46 210 340
213T 7.5HP 5.5KW 3505 9.45 2△/△ 7.56 Y 0.83 89.5 89.7 63.5 150 280
215T 10HP 7.5KW 3500 12.2 2△/△ 9.77 Y 0.85 90.2 90.7 81 140 250
254T 15HP 11KW 3540 17.5 2△/△ 14.0 Y 0.88 91.0 91.5 116 160 230
256T 20HP 15KW 3540 23.1 2△/△ 18.5 Y 0.89 91.0 91.5 145 160 230
284TS 25HP 18.5KW 3550 29.3 2△/△ 23.5 △ 0.87 91.7 92.1 182.5 150 230
286TS 30HP 22KW 3550 34.8 2△/△ 27.8 △ 0.88 91.7 92.4 217.5 150 230
324TS 40HP 30KW 3545 46.1 2△/△ 36.8 △ 0.88 92.4 92.8 290 180 260
326TS 50HP 37KW 3545 56.6 2△/△ 45.3 △ 0.89 93.0 93.4 362.5 180 260
364TS 60HP 45KW 3560 70.6 2△/△ 56.5 △ 0.85 93.6 93.8 435 190 220
365TS 75HP 55KW 3560 88.3 2△/△ 70.6 △ 0.85 93.6 93.6 542.5 160 200
405TS 100HP 75KW 3575 111 2△/△ 88.4 △ 0.90 94.1 94.3 725 160 260
444TS 125HP 90KW 3575 137 2△/△ 110 △ 0.90 95.0 95.2 907.5 150 230
445TS 150HP 110KW 3575 164 2△/△ 131 △ 0.90 95.0 95.0 1085 150 240
447TS 200HP 150KW 3575 216 2△/△ 173 △ 0.91 95.4 95.5 1450 160 230
449TS 250HP 185KW 3585 269 △ 215 △ 0.91 95.4 94.3 1825 150 230

2. NEMA Standard Three Phase Induction Electric Motor (Synchronous Speed 1800r/min 60Hz)

Type Rated Power Full Loaded EFF η(%) Locked Current (A) under 460V Locked Torque Rated Torque (%) Max Torque Rated Torque (%)
Speed (r/min) Current (A) under 460V Connection Method 230/460V Current (A) under 575V Connection Method 575V Power Factor (cosφ)
FL 100% FL 75%
HP KW
Synchronous Speed 1800r/min 60Hz
143T 1.0HP 0.75KW 1755 1.63 2Y/Y 1.31 Y 0.67 85.5 84.5 15 300 420
143T 1.5HP 1.1KW 1755 2.22 2Y/Y 1.78 Y 0.73 86.5 86.2 20 280 390
145T 2HP 1.5KW 1755 2.97 2Y/Y 2.37 Y 0.73 86.5 86.4 25 270 350
182T 3HP 2.2KW 1755 4.08 2Y/Y 3.26 Y 0.77 89.5 89.7 32 220 320
184T 5HP 3.7KW 1755 6.30 2Y/Y 5.04 Y 0.83 89.5 90.0 46 200 280
213T 7.5HP 5.5KW 1760 9.23 2△/△ 7.38 Y 0.83 91.7 91.8 63.5 170 280
215T 10HP 7.5KW 1760 12.2 2△/△ 9.72 Y 0.84 91.7 91.9 81 170 280
254T 15HP 11KW 1765 18.1 2△/△ 14.5 Y 0.84 92.4 92.7 116 170 250
256T 20HP 15KW 1765 23.7 2△/△ 19.0 Y 0.85 93.0 93.2 145 180 250
284T 25HP 18.5KW 1770 29.4 2△/△ 23.5 △ 0.85 93.6 93.9 182.5 160 240
286T 30HP 22KW 1770 35.3 2△/△ 28.2 △ 0.85 93.6 93.9 217.5 160 240
324T 40HP 30KW 1775 46.8 2△/△ 37.5 △ 0.85 94.1 94.6 290 160 250
326T 50HP 37KW 1775 57.6 2△/△ 46.1 △ 0.86 94.5 94.9 362.5 160 260
364T 60HP 45KW 1780 71.2 2△/△ 57.0 △ 0.83 95.0 95.3 435 190 250
365T 75HP 55KW 1780 88.7 2△/△ 71.0 △ 0.83 95.4 95.5 542.5 190 250
405T 100HP 75KW 1785 114 2△/△ 91.3 △ 0.86 95.4 95.6 725 160 250
444T 125HP 90KW 1790 146 2△/△ 117 △ 0.84 95.4 95.6 907.5 160 230
445T 150HP 110KW 1790 175 2△/△ 140 △ 0.84 95.8 96.1 1085 160 240
447T 200HP 150KW 1790 229 2△/△ 183 △ 0.85 96.2 96.5 1450 180 250
449T 250HP 185KW 1790 280 △ 224 △ 0.87 96.2 96.3 1825 200 260
449T 300HP 220KW 1790 336 △ 269 △ 0.87 96.2 96.3 2200 200 250
449T 350HP 260KW 1790 392 △ 313 △ 0.87 96.2 96.3 2550 190 250
504/5T 250HP 185KW 1790 280 △ 224 △ 0.87 96.2 96.2 1825 200 280
586/7T 300HP 220KW 1790 324 △ 260 △ 0.9 96.2 96.2 2200 200 250
586/7T 350HP 260KW 1790 374 △ 299 △ 0.91 96.2 96.2 2550 200 250
586/7T 400HP 295KW 1790 428 △ 342 △ 0.91 96.2 96.3 2900 200 250
586/7T 450HP 330KW 1790 481 △ 385 △ 0.91 96.2 96.3 3250 200 250
586/7T 500HP 370KW 1790 535 △ 428 △ 0.91 96.2 96.2 3625 200 250

3. NEMA Standard Three Phase Induction Electric Motor (Synchronous Speed 1200r/min 60Hz)

Type Rated Power Full Loaded EFF η(%) Locked Current (A) under 460V Locked Torque Rated Torque (%) Max Torque Rated Torque (%)
peed （r/min） Current （A） under 460V Connection 230/460V Current （A） under 575V Connection 575V Power Factor （cosφ）
FL 100% FL 75%
HP kW
Synchronous Speed 1200r/min 60Hz
145T 1.0HP 0.75KW 1160 1.75 2Y/Y 1.40 Y 0.65 82.5 82 15 190 265
182T 1.5HP 1.1KW 1180 2.36 2Y/Y 1.89 Y 0.68 87.5 86.8 20 210 350
184T 2HP 1.5KW 1175 2.98 2Y/Y 2.38 Y 0.71 88.5 88.3 25 200 320
213T 3HP 2.2KW 1175 4.48 2Y/Y 3.59 Y 0.7 89.5 89.5 32 155 240
215T 5HP 3.7KW 1175 7.27 2Y/Y 5.81 Y 0.72 89.5 89.6 46 155 250
254T 7.5HP 5.5KW 1175 9.41 2△/△ 7.53 Y 0.82 91.0 91.3 63.5 170 280
256T 10HP 7.5KW 1175 12.5 2△/△ 10.0 Y 0.82 91.0 91.2 81 180 280
284T 15HP 11KW 1185 19.4 2△/△ 15.5 △ 0.79 91.7 92.0 116 145 230
286T 20HP 15KW 1185 25.5 2△/△ 20.4 △ 0.8 91.7 92.1 145 140 220
324T 25HP 18.5KW 1185 32.7 2△/△ 26.2 △ 0.77 93.0 93.4 182.5 160 210
326T 30HP 22KW 1185 38.7 2△/△ 31.0 △ 0.78 93.0 93.3 217.5 170 230
364T 40HP 30KW 1185 49.1 2△/△ 39.3 △ 0.81 94.1 94.2 290 215 230
365T 50HP 37KW 1185 60.7 2△/△ 48.5 △ 0.82 94.1 94.3 362.5 215 230
404T 60HP 45KW 1190 71.6 2△/△ 57.3 △ 0.83 94.5 94.8 435 170 240
405T 75HP 55KW 1190 88.5 2△/△ 70.8 △ 0.84 94.5 94.8 542.5 170 240
444T 100HP 75KW 1190 122 2△/△ 97.3 △ 0.81 95.0 95.3 725 150 230
445T 125HP 90KW 1190 152 2△/△ 122 △ 0.81 95.0 95.3 907.5 150 240
447T 150HP 110KW 1190 179 2△/△ 143 △ 0.82 95.8 95.9 1085 160 250
449T 200HP 150KW 1190 244 2△/△ 195 △ 0.8 95.8 95.7 1450 190 250
449T 250HP 185KW 1190 302 △ 241 △ 0.81 95.8 95.8 1825 190 250
449T 300HP 220KW 1190 353 △ 283 △ 0.83 95.8 95.9 2200 190 250
449T 350HP 260KW 1190 407 △ 326 △ 0.84 95.8 95.9 2550 220 290
504/5T 200HP 150KW 1190 169 2△/△ 135 △ 0.87 95.8 96 1450 190 250
586/7T 250HP 185KW 1190 287 △ 230 △ 0.85 95.8 95.8 1825 190 250
586/7T 300HP 220KW 1190 341 △ 273 △ 0.86 95.8 95.8 2200 190 250
586/7T 350HP 260KW 1190 398 △ 318 △ 0.86 95.8 95.9 2550 190 250
586/7T 400HP 295KW 1190 449 △ 359 △ 0.87 95.8 96.0 2900 190 260
586/7T 450HP 330KW 1190 506 △ 404 △ 0.87 95.8 95.9 3250 190 260
586/7T 500HP 370KW 1190 562 △ 449 △ 0.87 95.8 95.9 3625 190 260

4. NEMA Standard Three Phase Induction Electric Motor (Synchronous Speed 900r/min 60Hz)

Type Rated Power Full Loaded EFF η(%) Locked Current (A) under 460V Locked Torque Rated Torque (%) Max Torque Rated Torque (%)
Speed （r/min） Current （A） under 460V Connection 230/460V Current （A） under 575V Connection 575V Power Factor （cosφ）
FL 100% FL 75%
HP kW
Synchronous Speed 900r/min 60Hz
215T 3HP 2.2KW 870 4.83 2Y / Y 3.87 Y 0.68 85.5 85.4 32 210 280
254T 5HP 3.7KW 865 7.31 2△ / △ 5.85 Y 0.74 86.5 87.2 46 170 250
256T 7.5HP 5.5KW 865 10.8 2△ / △ 8.66 Y 0.75 86.5 87.2 63.5 170 250
284T 10HP 7.5KW 875 13.8 2△ / △ 11.0 △ 0.76 89.5 89.9 81 170 250
286T 15HP 11KW 875 20.1 2△ / △ 16.1 △ 0.78 89.5 90.2 116 180 230
324T 20HP 15KW 875 26.3 2△ / △ 21.0 △ 0.79 90.2 91.2 145 165 220
326T 25HP 18.5KW 875 32.9 2△ / △ 26.3 △ 0.79 90.2 91.1 182.5 165 220
364T 30HP 22KW 885 40.8 2△ / △ 32.7 △ 0.75 91.7 91.9 217.5 150 200
365T 40HP 30KW 885 54.5 2△ / △ 43.6 △ 0.75 91.7 92.0 290 150 200
404T 50HP 37KW 890 66.7 2△/△ 53.3 △ 0.76 92.4 92.8 362.5 160 210
405T 60HP 45KW 890 80.0 2△/△ 64.0 △ 0.76 92.4 92.8 435 170 220
444T 75HP 55KW 890 101 2△/△ 81.1 △ 0.74 93.6 93.9 542.5 140 200
445T 100HP 75KW 890 135 2△/△ 108 △ 0.74 93.6 93.9 725 140 200
447T 125HP 90KW 890 168 2△/△ 134 △ 0.74 94.1 94.4 907.5 140 200
449T 150HP 110KW 890 194 2△/△ 155 △ 0.77 94.1 94.3 1085 190 250
449T 200HP 150KW 890 257 2△/△ 206 △ 0.77 94.5 94.6 1450 180 250
586/7T 250HP 185KW 890 312 △ 250 △ 0.79 95.0 94.9 1825 180 250
586/7T 300HP 220KW 890 374 △ 299 △ 0.79 95.0 94.9 2200 180 250
586/7T 350HP 260KW 890 431 △ 345 △ 0.80 95.0 95.0 2550 180 250
586/7T 400HP 300KW 890 499 △ 399 △ 0.79 95.0 95.0 2900 180 250

Connection 230/460V column indicates that “△” is only for single voltage 460V.

NEMA Standard Premium Efficiency Three Phase Induction Motor Installation Dimension

Frame No. Dimensions（inch）
MAX A MAX B C D E 2F G H J N-W O P R S T U MIN V MIN ES AA AB BA
143T 7 5.6 12.5 3.5 2.75 4 0.43 0.34 1 2.25 7.6 7.8 0.771 0.188 1.42 0.875 2 1.41 3/4 6.7 2.25
145T 6.6 13.5 5
182T 9 6 15 4.5 3.75 4.5 0.6 0.41 2 2.75 9.5 9.7 0.986 0.25 1.42 1.125 2.50 1.78 1 8 2.75
184T 7 16 5.5
213T 10.5 7.5 18 5.25 4.25 5.5 0.71 0.41 2.4 3.38 10.6 10.4 1.201 0.312 1.73 1.375 3.12 2.41 1 8.5 3.5
215T 9 19.5 7
254T 12.5 10.3 23.5 6.25 5 8.25 0.79 0.53 2.4 4 12.9 12.6 1.416 0.375 2.05 1.625 3.75 2.91 1-1/2 10.5 4.25
256T 12 25.3 10
284T 14 12.4 26.6 7 5.5 9.5 0.87 0.53 2.8 4.62 14.3 14 1.591 0.5 2.05 1.875 4.38 3.28 1-1/2 11.5 4.75
284TS 25.2 3.25 1.416 0.375 1.625 3 1.91
286T 14 13.9 28.1 7 5.5 11 0.87 0.53 2.8 4.62 14.3 14 1.591 0.5 2.05 1.875 4.38 3.28 1-1/2 11.5 4.75
286TS 26.7 3.25 1.416 0.375 1.625 3 1.91
324T 16 13.5 29.6 8 6.25 10.5 0.99 0.66 2.8 5.25 16 15.7 1.845 0.5 2.44 2.125 5 3.91 2 14.5 5.25
324TS 28.1 3.75 1.591 1.875 3.5 2.03
326T 16 15 31.2 8 6.25 12 0.99 0.66 2.8 5.25 16 15.7 1.845 0.5 2.44 2.125 5 3.91 2 14.5 5.25
326TS 29.7 3.75 1.591 1.875 3.5 2.03
364T 17 16 32.6 9 7 11.25 1.18 0.66 3 5.88 18.8 19.1 2.021 0.625 2.44 2.375 5.62 4.28 3 16.5 5.88
364TS 30.5 3.75 1.591 0.5 1.875 3.5 2.03
365T 17 16 33.6 9 7 12.25 1.18 0.66 3 5.88 18.8 19.1 2.021 0.625 2.44 2.375 5.62 4.28 3 16.5 5.88
365TS 31.5 3.75 1.591 0.5 1.875 3.5 2.03
404T 20 15.5 36.5 10 8 12.25 1.18 0.81 3.2 7.25 21.1 21.6 2.45 0.75 2.84 2.875 7 5.65 3 19 6.62
405T 20 17 38.1 10 8 13.75 1.18 0.81 3.2 7.25 21.1 21.6 2.45 0.75 2.84 2.875 7 5.65 3 19 6.62
405TS 35.0 4.25 1.845 0.5 2.125 4 2.78
444T 22 18.5 41.9 11 9 14.5 1.38 0.81 3.4 8.5 23 23.5 2.88 0.875 3.47 3.375 8.25 6.91 2×3 20 7.5
444TS 38.1 4.75 2.021 0.625 2.375 4.5 3.03
445T 22 20.5 44 11 9 16.5 1.38 0.81 3.4 8.5 23 23.5 2.88 0.875 3.47 3.375 8.25 6.91 2×3 20 7.5
445TS 40. 1 4.75 2.021 0.625 2.375 4.5 3.03
447T 22 24 47.4 11 9 20 1.38 0.81 3.4 8.5 23 23.5 2.88 0.875 3.47 3.375 8.25 6.91 2×3 20 7.5
447TS 43.8 4.75 2.021 0.625 2.375 4.5 3.03
449T 22 31 58 11 9 25 1.58 0.81 3.4 8.5 23 23.5 2.88 0.875 4.25 3375 8.5 7.01 2×3 20 7.5
449TS 52 4.75 2.021 0.625 2.375 4.5 3.15
504/5T 24.7 26 54 12.5 10 16/18 1.87 0.94 4.72 10.625 25.3 25 3.134 0.875 4.25 3.625 10.375 9 2×3 22 8.5
504/5UZ 24.7 26 55 12.5 10 16/18 1.87 0.94 4.72 11.625 25.3 25 3.309 1 4.25 3.875 11.375 10 2×3 22 8.5
586/7T 28 33.8 67 14.5 11.5 22/25 2.05 1.125 5.00 11.625 28.9 28 3.309 1 5 3.875 11.375 10 2×3 25 10

NEMA Standard Three Phase Induction Electric Motor Model Description

For example,

28 4 T: “28” means that its value is equal to 4 times the height of the center of the base (in),”4″ means the length code of the axial foot hole of the base, and “T” means the base mark with a standard size.

NEMA Standard Three Phase Induction Electric Motor Applications

Ventilation Fans Blowers Pumps Compressors
Plastic Injection Machines Machine Tools Stone Machinery Conveyors
Crushers Stirring Agitators Reciprocating Pumps
Punch Presses Pilling Machines Elevators Extractors
Winches Hoists Machine Wire-drawing
Blower Station Crane Machine
NEMA-Standard-Three-Phase-Induction-Electric-Motor-Applications-3 NEMA-Standard-Three-Phase-Induction-Electric-Motor-Applications-1
Industrial Fan Water Pump Station
NEMA-Standard-Three-Phase-Induction-Electric-Motor-Applications-4 NEMA-Standard-Three-Phase-Induction-Electric-Motor-Applications-2

About FMP

FMP is a national high-tech enterprise specializing in the design, development, and production of advanced motors and electromechanical solutions. We focus on producing YE2, YE3, and YE4 series motors, along with a range of derivative products. Our product offerings also include three-phase and single-phase motors for hydraulic pumps, aluminum-housing motors, non-standard motors for hydraulic pumps, electromechanical integration turbine gear reducers, and other specialized motors.

FMP’s products are extensively used in industrial automation, serving key sectors such as CNC lathes, shoemaking machinery, woodworking machinery, metalworking machinery, plastic machinery, and construction machinery. With a strong commitment to innovation and quality, FMP ensures that all products meet the highest performance standards.

In addition to our comprehensive product range, we are proud to offer custom solutions tailored to the specific needs of our clients. Whether you need specialized motors, non-standard products, or integrated systems, FMP works closely with clients to deliver high-quality, bespoke solutions. Our focus on precision engineering and client satisfaction drives our continued success in global markets.

At FMP, we are dedicated to building long-term, mutually beneficial partnerships, supporting the success of our clients with each project.

Three-Phase-Motor-Factory Three-Phase-Motor-Factory-2
Three-Phase-Motor-Factory-1 Three-Phase-Motor-Factory-3

Author: CX

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