OM-4430 Page 43
10-5. Approximate Power Requirements For Industrial Motors
Industrial Motors
Rating
Starting Watts
Running Watts
Split Phase
1/8 HP
800
300
1/6 HP
1225
500
1/4 HP
1600
600
1/3 HP
2100
700
1/2 HP
3175
875
Capacitor Start-Induction Run
1/3 HP
2020
720
1/2 HP
3075
975
3/4 HP
4500
1400
1 HP
6100
1600
1-1/2 HP
8200
2200
2 HP
10550
2850
3 HP
15900
3900
5 HP
23300
6800
Capacitor Start-Capacitor Run
1-1/2 HP
8100
2000
5 HP
23300
6000
7-1/2 HP
35000
8000
10 HP
46700
10700
Fan Duty
1/8 HP
1000
400
1/6 HP
1400
550
1/4 HP
1850
650
1/3 HP
2400
800
1/2 HP
3500
1100
10-6. Approximate Power Requirements For Farm/Home Equipment
Farm/Home Equipment
Rating
Starting Watts
Running Watts
Stock Tank De-Icer
1000
1000
Grain Cleaner
1/4 HP
1650
650
Portable Conveyor
1/2 HP
3400
1000
Grain Elevator
3/4 HP
4400
1400
Milk Cooler
2900
1100
Milker (Vacuum Pump)
2 HP
10500
2800
FARM DUTY MOTORS
1/3 HP
1720
720
Std. (e.g. Conveyors,
1/2 HP
2575
975
Feed Augers, Air
3/4 HP
4500
1400
Compressors)
1 HP
6100
1600
1-1/2 HP
8200
2200
2 HP
10550
2850
3 HP
15900
3900
5 HP
23300
6800
High Torque (e.g. Barn
1-1/2 HP
8100
2000
Cleaners, Silo Unloaders,
5 HP
23300
6000
Silo Hoists, Bunk Feeders)
7-1/2 HP
35000
8000
10 HP
46700
10700
3-1/2 cu. ft. Mixer
1/2 HP
3300
1000
High Pressure 1.8 Gal/Min
500 PSI
3150
950
Washer 2 gal/min
550 PSI
4500
1400
2 gal/min
700 PSI
6100
1600
Refrigerator or Freezer
3100
800
Shallow Well Pump
1/3 HP
2150
750
1/2 HP
3100
1000
Sump Pump
1/3 HP
2100
800
1/2 HP
3200
1050