12-5. 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

 

 

 

 

12-6. 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

 

 

 

 

OM-4417 Page 36

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Miller Electric 145 DXR, 145, Blue Star 145 manual Approximate Power Requirements For Industrial Motors