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Motor Efficiency: NEMA PREMIUM 3PH
30 to 250
Motor efficiency and power factor � NEMA MG 1 efficiency and power factor data at full, 75%, and 50% load for standard and premium efficiency motors by horsepower
| motor class | hp numeric | breakdown torque pct (%) | efficiency 50 pct (%) | efficiency 75 pct (%) | efficiency fl pct (%) | fla 230V (A) | fla 460V (A) | full load slip pct (%) | hp rating | kva code letter | kw rating (kW) | locked rotor current pct (%) | locked rotor torque pct (%) | nema design | pf 50 (dimensionless) | pf 75 (dimensionless) | pf fl (dimensionless) | poles | pull up torque pct (%) | speed rpm (rpm) | standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NEMA PREMIUM 3PH | 30 | 215 | 92.5 | 94 | 93.6 | 78 | 39 | 2.5 | 30 | G | 22.38 | 580 | 175 | B | 0.74 | 0.83 | 0.87 | 4 | 125 | 1,780 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 40 | 200 | 93 | 94.5 | 94.1 | 103.2 | 51.6 | 2.5 | 40 | G | 29.84 | 570 | 150 | B | 0.75 | 0.83 | 0.87 | 4 | 115 | 1,780 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 50 | 200 | 93.5 | 94.8 | 94.5 | 128 | 64 | 2 | 50 | G | 37.3 | 570 | 150 | B | 0.76 | 0.84 | 0.88 | 4 | 115 | 1,780 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 60 | 190 | 93.8 | 95 | 95 | 152 | 76 | 2 | 60 | F | 44.76 | 560 | 140 | B | 0.76 | 0.84 | 0.88 | 4 | 110 | 1,785 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 75 | 190 | 94 | 95.4 | 95.4 | 188 | 94 | 2 | 75 | F | 55.95 | 560 | 140 | B | 0.77 | 0.85 | 0.89 | 4 | 110 | 1,785 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 100 | 180 | 94.5 | 95.8 | 95.4 | 248 | 124 | 1.5 | 100 | F | 74.6 | 550 | 125 | B | 0.78 | 0.86 | 0.89 | 4 | 105 | 1,785 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 125 | 180 | 94.5 | 95.8 | 95.4 | 308 | 154 | 1.5 | 125 | F | 93.25 | 550 | 120 | B | 0.78 | 0.86 | 0.89 | 4 | 100 | 1,785 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 150 | 175 | 95 | 96 | 95.8 | 366 | 183 | 1.5 | 150 | F | 111.9 | 550 | 110 | B | 0.79 | 0.87 | 0.9 | 4 | 95 | 1,788 | NEMA MG 1-2016 Table 12-12 |
| NEMA PREMIUM 3PH | 200 | 175 | 95 | 96.2 | 96.2 | 484 | 242 | 1.5 | 200 | E | 149.2 | 550 | 110 | B | 0.8 | 0.87 | 0.9 | 4 | 95 | 1,788 | NEMA MG 1-2016 Table 12-12 |
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