AC Motor Basics
Here are the Full Load Amp (FLA) values for typical 230VAC and 480VAC 3 phase motors.
These are only intended to be guidelines and in all cases the full load amps of the motor nameplate should be used for final calculations.
|
Motor horsepower
|
Full load amps 230VAC | Full load amps 460VAC |
| 1 | 3.3 | 1.7 |
| 1.5 | 4.7 | 2.4 |
| 2 | 6 | 3.0 |
| 3 | 9 | 4.5 |
| 5 | 15 | 7.5 |
| 7.5 | 22 | 11 |
| 10 | 27 | 14 |
| 15 | 38 | 19 |
| 20 | 52 | 26 |
| 25 | 64 | 32 |
| 30 | 77 | 39 |
| 40 | 101 | 51 |
| 50 | 125 | 63 |
| 60 | 149 | 75 |
| 75 | 180 | 90 |
| 100 | 245 | 123 |
| 125 | 310 | 155 |
| 150 | 360 | 180 |
| 200 | 480 | 240 |
| 250 | 580 | 290 |
| 300 | 696 | 348 |