2018 Marathon Motors Catalog

NEMA ® MG-1 TABLE 12-12 FULL LOAD EFFICIENCIES FOR 60 HZ NEMA PREMIUM ® (CEE) EFFICIENT ELECTRIC MOTORS RATED 600 VOLTS OR LESS (RANDOMWOUND)

NEMA ® MG-1Table 12-12 Full Load Efficiencies for 60 Hz NEMA Premium ® (CEE) Efficient Electric Motors Rated 600Volts or less (RandomWound)

NOMINAL FULL LOAD EFFICIENCY

HP ENCLOSED FRAME 2 POLE 4 POLE 6 POLE 8 POLE 2 POLE 4 POLE 6 POLE 8 POLE 1 77.0 85.5 82.5 75.5 77.0 85.5 82.5 75.5 1 1/2 84.0 86.5 86.5 77.0 84.0 86.5 87.5 78.5 2 85.5 86.5 87.5 86.5 85.5 86.5 88.5 84.0 3 85.5 89.5 88.5 87.5 86.5 89.5 89.5 85.5 5 86.5 89.5 89.5 88.5 88.5 89.5 89.5 86.5 7 1/2 88.5 91.0 90.2 89.5 89.5 91.7 91.0 86.5 10 89.5 91.7 91.7 90.2 90.2 91.7 91.0 89.5 15 90.2 93.0 91.7 90.2 91.0 92.4 91.7 89.5 20 91.0 93.0 92.4 91.0 91.0 93.0 91.7 90.2 25 91.7 93.6 93.0 91.0 91.7 93.6 93.0 90.2 30 91.7 94.1 93.6 91.7 91.7 93.6 93.0 91.7 40 92.4 94.1 94.1 91.7 92.4 94.1 94.1 91.7 50 93.0 94.5 94.1 92.4 93.0 94.5 94.1 92.4 60 93.6 95.0 94.5 93.0 93.6 95.0 94.5 92.4 75 93.6 95.0 94.5 94.1 93.6 95.4 94.5 93.6 100 93.6 95.4 95.0 94.1 94.1 95.4 95.0 93.6 125 94.1 95.4 95.0 94.1 95.0 95.4 95.0 94.1 150 94.1 95.8 95.4 94.1 95.0 95.8 95.8 94.1 200 95.0 95.8 95.4 94.1 95.4 96.2 95.8 94.5 250 95.0 95.8 95.8 95.0 95.8 96.2 95.8 95.0 300 95.4 95.8 95.8 95.0 95.8 96.2 95.8 95.0 350 95.4 95.8 95.8 95.0 95.8 96.2 95.8 95.0 400 95.8 95.8 95.8 95.0 95.8 96.2 95.8 95.0 450 96.2 96.2 96.2 95.0 95.8 96.2 95.8 95.0 500 96.2 96.2 96.2 95.0 95.8 96.2 95.8 95.0 OPEN FRAME

NEMA ® TABLE 12-12

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