Nema Motor Efficiency Standards
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Efficiency Standards Encl Speed ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800
HP 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450
Last Rev. June 25, 2007 NEMA OLD Volt NEMA EPACT Low Low 80.0 82.5 Low 82.5 84.0 Low 82.5 84.0 Low 85.5 85.5 Low 85.5 87.5 Low 87.5 88.5 Low 89.5 89.5 Low 90.2 90.2 Low 91.0 91.0 Low 91.0 91.0 Low 91.7 91.7 Low 91.7 92.4 Low 93.0 93.0 Low 93.0 93.0 Low 93.0 93.0 Low 93.0 93.6 Low 93.6 93.6 Low 93.6 94.5 Low 94.5 Low 95.0 Low 95.0 Low 95.4 Low 95.8 Low 95.8 Low 82.5 82.5 Low 82.5 84.0 Low 82.5 84.0 Low 86.5 86.5 Low 86.5 87.5 Low 88.5 88.5 Low 88.5 89.5 Low 90.2 91.0 Low 91.0 91.0 Low 91.7 91.7 Low 91.7 92.4 Low 92.4 93.0 Low 92.4 93.0 Low 93.0 93.6 Low 93.6 94.1 Low 93.6 94.1 Low 93.6 94.5 Low 94.1 95.0 Low 94.1 95.0 Low 95.4 Low 95.4 Low 95.4 Low 95.4 Low 95.8
See notes at end of table. IEEE NEMA NEMA 841 Prem Prem 50Hz 75.5 75.5 84.0 82.5 85.5 84.0 85.5 84.0 86.5 85.5 88.5 87.5 89.5 88.5 90.2 89.5 91.0 90.2 91.7 91.0 91.7 91.0 92.4 91.7 93.0 92.4 93.6 93.0 93.6 93.0 93.6 93.0 94.1 93.6 94.1 93.6 95.0 94.5 95.0 94.5 95.4 95.0 95.4 95.0 95.8 95.4 95.8 95.4 95.8 95.4 85.5 84.0 86.5 85.5 86.5 85.5 89.5 88.5 89.5 88.5 91.0 90.2 91.7 91.0 93.0 92.4 93.0 92.4 93.6 93.0 94.1 93.6 94.1 93.6 94.5 94.1 95.0 94.5 95.0 94.5 95.4 95.0 95.4 95.0 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 96.2 95.8
ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP TEFC
1800 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 3600
500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low
77.0 82.5 84.0 85.5 86.5 88.5 90.2 89.5 90.2 91.0 91.7 91.7 91.7 92.4 93.0 93.6 93.6 93.6 94.1
72.0 75.5 85.5 86.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 90.2 91.7 92.4 93.6 93.6 93.6 93.6 93.6
95.8 80.0 84.0 85.5 86.5 87.5 88.5 90.2 90.2 91.0 91.7 92.4 93.0 93.0 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.4
96.2 82.5 86.5 87.5 88.5 89.5 90.2 91.7 91.7 92.4 93.0 93.6 94.1 94.1 94.5 94.5 95.0 95.0 95.4 95.4 95.4 95.4 95.4 95.8 96.2 96.2
95.8 81.5 85.5 86.5 87.5 88.5 89.5 91.0 91.0 91.7 92.4 93.0 93.6 93.6 94.1 94.1 94.5 94.5 95.0 95.0 95.0 95.0 95.0 95.4 95.8 95.8
77.0
75.5
74.0 75.5 85.5 86.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.6 93.6 93.6 93.6 93.6 94.5
75.5
77.0
TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC
3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1200 1200 1200
1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low
78.5 81.5 82.5 85.5 85.5 87.5 87.5 88.5 89.5 89.5 90.2 90.2 91.7 92.4 93.0 93.0 93.0 94.1
80.0 81.5 82.5 84.0 85.5 87.5 87.5 88.5 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 93.6 94.1 94.5
75.5 82.5 82.5
82.5 84.0 85.5 87.5 88.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.5 94.5 95.0 95.4 95.4 95.4 95.4 95.4 95.4 82.5 84.0 84.0 87.5 87.5 89.5 89.5 91.0 91.0 92.4 92.4 93.0 93.0 93.6 94.1 94.5 94.5 95.0 95.0 95.0 95.4 95.4 95.4 95.4 95.8 80.0 85.5 86.5
84.0 85.5 86.5 88.5 89.5 90.2 91.0 91.0 91.7 91.7 92.4 93.0 93.6 93.6 94.1 95.0 95.0 95.4 95.4 95.4 95.4 95.4 95.4 95.4 84.0 85.5 85.5 88.5 88.5 90.2 90.2 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.5 95.0 95.0 95.4 95.4 95.0 95.4 95.4 95.4 95.4 95.4 81.5 86.5 87.5
84.0 85.5 86.5 88.5 89.5 90.2 91.0 91.0 91.7 91.7 92.4 93.0 93.6 93.6 94.1 95.0 95.0 95.4 95.8 95.8 95.8 95.8 95.8 95.8 85.5 86.5 86.5 89.5 89.5 91.7 91.7 92.4 93.0 93.6 93.6 94.1 94.5 95.0 95.4 95.4 95.4 95.8 96.2 96.2 96.2 96.2 96.2 96.2 96.2 82.5 87.5 88.5
82.6 84.0 85.5 87.5 88.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.5 94.5 95.0 95.4 95.4 95.4 95.4 95.4 95.4 84.0 85.5 85.5 85.5 85.5 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.1 94.5 95.0 95.0 95.0 95.4 95.8 95.8 95.8 95.8 95.8 95.8 95.8 81.5 86.5 87.5
TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC ODP ODP ODP ODP ODP
1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 3600 3600 3600 3600 3600
3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 250 300 350 400 450
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Med Med Med Med Med
84.0 85.5 87.5 87.5 89.5 89.5 90.2 91.0 91.7 91.7 91.7 93.0 93.0 93.0 94.1 94.1
87.5 87.5 89.5 89.5 90.2 90.2 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.1 95.0 95.0 95.0 95.0 95.0
88.5 88.5 90.2 90.2 91.0 91.0 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.0 95.0 95.0
72.0 75.5 82.5 81.5 84.0 85.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 91.7 93.0 93.0 93.6 93.6 94.1
74.0 77.0 82.5 84.0 85.5 85.5 88.5 88.5 89.5 89.5 91.0 91.0 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.5
75.5 78.5 84.0 85.5 86.5 86.5 89.5 89.5 90.2 90.2 91.7 91.7 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5
89.5 89.5 91.0 91.0 91.7 91.7 93.0 93.0 94.1 94.1 94.5 94.5 95.0 95.0 95.8 95.8 95.8 95.8 95.8 95.8 95.8 95.8
94.5 94.5 94.5 94.5 94.5
88.5 88.5 90.2 90.2 91.0 91.0 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.4 95.4 95.4 95.4 95.4 95.4
ODP 3600 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1200 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 900 ODP 900 ODP 900 ODP 900 ODP 900 ODP 900 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 900 TEFC 900 TEFC 900 TEFC 900 TEFC 900 TEFC 900 Field Name Encl Speed HP Volt OLD NEMA NEMA EPACT IEEE 841 NEMA Prem
500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500
Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med
94.5 95.0 95.0 95.0 95.0 95.0 95.0 95.0 94.5 94.5 94.5 94.5 94.5
95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0
95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0
Enclosure: 0 = ODP, 1 = TEFC Synchronous speed: equal to 7200 / #poles Rated Horsepower Low = 600 V and below. Med = over 600 V to 5,000 V Earliest NEMA standard for "Energy Efficient" label. Lower than current "Energy Efficient" standard Current NEMA std. for "Energy Efficient" label. Same as EPAct but EPAct doesn't exist at >200 HP or <1200 RPM IEEE 841-2001 standard NEMA standard for "Premium Efficient" label.
HP 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450
Last Rev. June 25, 2007 NEMA OLD Volt NEMA EPACT Low Low 80.0 82.5 Low 82.5 84.0 Low 82.5 84.0 Low 85.5 85.5 Low 85.5 87.5 Low 87.5 88.5 Low 89.5 89.5 Low 90.2 90.2 Low 91.0 91.0 Low 91.0 91.0 Low 91.7 91.7 Low 91.7 92.4 Low 93.0 93.0 Low 93.0 93.0 Low 93.0 93.0 Low 93.0 93.6 Low 93.6 93.6 Low 93.6 94.5 Low 94.5 Low 95.0 Low 95.0 Low 95.4 Low 95.8 Low 95.8 Low 82.5 82.5 Low 82.5 84.0 Low 82.5 84.0 Low 86.5 86.5 Low 86.5 87.5 Low 88.5 88.5 Low 88.5 89.5 Low 90.2 91.0 Low 91.0 91.0 Low 91.7 91.7 Low 91.7 92.4 Low 92.4 93.0 Low 92.4 93.0 Low 93.0 93.6 Low 93.6 94.1 Low 93.6 94.1 Low 93.6 94.5 Low 94.1 95.0 Low 94.1 95.0 Low 95.4 Low 95.4 Low 95.4 Low 95.4 Low 95.8
See notes at end of table. IEEE NEMA NEMA 841 Prem Prem 50Hz 75.5 75.5 84.0 82.5 85.5 84.0 85.5 84.0 86.5 85.5 88.5 87.5 89.5 88.5 90.2 89.5 91.0 90.2 91.7 91.0 91.7 91.0 92.4 91.7 93.0 92.4 93.6 93.0 93.6 93.0 93.6 93.0 94.1 93.6 94.1 93.6 95.0 94.5 95.0 94.5 95.4 95.0 95.4 95.0 95.8 95.4 95.8 95.4 95.8 95.4 85.5 84.0 86.5 85.5 86.5 85.5 89.5 88.5 89.5 88.5 91.0 90.2 91.7 91.0 93.0 92.4 93.0 92.4 93.6 93.0 94.1 93.6 94.1 93.6 94.5 94.1 95.0 94.5 95.0 94.5 95.4 95.0 95.4 95.0 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 95.8 95.4 96.2 95.8
ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP ODP TEFC
1800 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 3600
500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low
77.0 82.5 84.0 85.5 86.5 88.5 90.2 89.5 90.2 91.0 91.7 91.7 91.7 92.4 93.0 93.6 93.6 93.6 94.1
72.0 75.5 85.5 86.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 90.2 91.7 92.4 93.6 93.6 93.6 93.6 93.6
95.8 80.0 84.0 85.5 86.5 87.5 88.5 90.2 90.2 91.0 91.7 92.4 93.0 93.0 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.4
96.2 82.5 86.5 87.5 88.5 89.5 90.2 91.7 91.7 92.4 93.0 93.6 94.1 94.1 94.5 94.5 95.0 95.0 95.4 95.4 95.4 95.4 95.4 95.8 96.2 96.2
95.8 81.5 85.5 86.5 87.5 88.5 89.5 91.0 91.0 91.7 92.4 93.0 93.6 93.6 94.1 94.1 94.5 94.5 95.0 95.0 95.0 95.0 95.0 95.4 95.8 95.8
77.0
75.5
74.0 75.5 85.5 86.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.6 93.6 93.6 93.6 93.6 94.5
75.5
77.0
TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC
3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 3600 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1200 1200 1200
1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low
78.5 81.5 82.5 85.5 85.5 87.5 87.5 88.5 89.5 89.5 90.2 90.2 91.7 92.4 93.0 93.0 93.0 94.1
80.0 81.5 82.5 84.0 85.5 87.5 87.5 88.5 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 93.6 94.1 94.5
75.5 82.5 82.5
82.5 84.0 85.5 87.5 88.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.5 94.5 95.0 95.4 95.4 95.4 95.4 95.4 95.4 82.5 84.0 84.0 87.5 87.5 89.5 89.5 91.0 91.0 92.4 92.4 93.0 93.0 93.6 94.1 94.5 94.5 95.0 95.0 95.0 95.4 95.4 95.4 95.4 95.8 80.0 85.5 86.5
84.0 85.5 86.5 88.5 89.5 90.2 91.0 91.0 91.7 91.7 92.4 93.0 93.6 93.6 94.1 95.0 95.0 95.4 95.4 95.4 95.4 95.4 95.4 95.4 84.0 85.5 85.5 88.5 88.5 90.2 90.2 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.5 95.0 95.0 95.4 95.4 95.0 95.4 95.4 95.4 95.4 95.4 81.5 86.5 87.5
84.0 85.5 86.5 88.5 89.5 90.2 91.0 91.0 91.7 91.7 92.4 93.0 93.6 93.6 94.1 95.0 95.0 95.4 95.8 95.8 95.8 95.8 95.8 95.8 85.5 86.5 86.5 89.5 89.5 91.7 91.7 92.4 93.0 93.6 93.6 94.1 94.5 95.0 95.4 95.4 95.4 95.8 96.2 96.2 96.2 96.2 96.2 96.2 96.2 82.5 87.5 88.5
82.6 84.0 85.5 87.5 88.5 89.5 90.2 90.2 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.5 94.5 95.0 95.4 95.4 95.4 95.4 95.4 95.4 84.0 85.5 85.5 85.5 85.5 91.0 91.0 91.7 92.4 93.0 93.0 93.6 94.1 94.5 95.0 95.0 95.0 95.4 95.8 95.8 95.8 95.8 95.8 95.8 95.8 81.5 86.5 87.5
TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC TEFC ODP ODP ODP ODP ODP
1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 3600 3600 3600 3600 3600
3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 1 1.5 2 3 5 7.5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 250 300 350 400 450
Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Med Med Med Med Med
84.0 85.5 87.5 87.5 89.5 89.5 90.2 91.0 91.7 91.7 91.7 93.0 93.0 93.0 94.1 94.1
87.5 87.5 89.5 89.5 90.2 90.2 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.1 95.0 95.0 95.0 95.0 95.0
88.5 88.5 90.2 90.2 91.0 91.0 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.0 95.0 95.0
72.0 75.5 82.5 81.5 84.0 85.5 87.5 88.5 89.5 89.5 90.2 90.2 91.0 91.7 93.0 93.0 93.6 93.6 94.1
74.0 77.0 82.5 84.0 85.5 85.5 88.5 88.5 89.5 89.5 91.0 91.0 91.7 91.7 93.0 93.0 93.6 93.6 94.1 94.5
75.5 78.5 84.0 85.5 86.5 86.5 89.5 89.5 90.2 90.2 91.7 91.7 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5
89.5 89.5 91.0 91.0 91.7 91.7 93.0 93.0 94.1 94.1 94.5 94.5 95.0 95.0 95.8 95.8 95.8 95.8 95.8 95.8 95.8 95.8
94.5 94.5 94.5 94.5 94.5
88.5 88.5 90.2 90.2 91.0 91.0 92.4 92.4 93.6 93.6 94.1 94.1 94.5 94.5 95.4 95.4 95.4 95.4 95.4 95.4 95.4 95.4
ODP 3600 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1800 ODP 1200 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 3600 ODP 900 ODP 900 ODP 900 ODP 900 ODP 900 ODP 900 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 3600 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1800 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 1200 TEFC 900 TEFC 900 TEFC 900 TEFC 900 TEFC 900 TEFC 900 Field Name Encl Speed HP Volt OLD NEMA NEMA EPACT IEEE 841 NEMA Prem
500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500 250 300 350 400 450 500
Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med Med
94.5 95.0 95.0 95.0 95.0 95.0 95.0 95.0 94.5 94.5 94.5 94.5 94.5
95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0
95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0
Enclosure: 0 = ODP, 1 = TEFC Synchronous speed: equal to 7200 / #poles Rated Horsepower Low = 600 V and below. Med = over 600 V to 5,000 V Earliest NEMA standard for "Energy Efficient" label. Lower than current "Energy Efficient" standard Current NEMA std. for "Energy Efficient" label. Same as EPAct but EPAct doesn't exist at >200 HP or <1200 RPM IEEE 841-2001 standard NEMA standard for "Premium Efficient" label.
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