Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
mobile - visible on handheld devices - alternatively go to www.engineeringtoolbox.com!
Engineering ToolBox > Converting Ampere between Single Phase and 3 Phase
Sometimes it is necessary to turn between power (VA), voltage (V) and amperage (A). The diagram and table below can be used to convert amperage between single phase and three phase equipment and vice versa.
| Power (VA) | Volts Single Phase | Volts 3 Phase Balanced Load | |||
| 120 | 240 | 480 | 240 | 480 | |
| 100 150 200 250 300 | 0.83 1.25 1.67 2.08 2.50 | 0.42 0.63 0.83 1.04 1.25 | 0.21 0.31 0.42 0.52 0.63 | 0.24 0.36 0.49 0.61 0.73 | 0.13 0.18 0.25 0.30 0.37 |
| 350 400 450 500 600 | 2.92 3.33 3.75 4.17 5.00 | 1.46 1.67 1.88 2.08 2.50 | 0.73 0.84 0.93 1.04 1.25 | 0.85 0.97 1.10 1.20 1.45 | 0.43 0.49 0.55 0.60 0.73 |
| 700 750 800 900 1,000 | 5.83 6.25 6.67 7.50 8.33 | 2.92 3.13 3.33 3.75 4.17 | 1.46 1.56 1.67 1.87 2.10 | 1.70 1.81 1.93 2.17 2.41 | 0.85 0.91 0.97 1.09 1.21 |
| 1,100 1,200 1,250 1,300 1,400 | 9.17 10.0 10.4 10.8 11.7 | 4.58 5.00 5.21 5.42 5.83 | 2.30 2.51 2.61 2.71 2.91 | 2.65 2.90 3.10 3.13 3.38 | 1.33 1.45 1.55 1.57 1.69 |
| 1,500 1,600 1,700 1,750 1,800 | 12.5 13.3 14.2 14.6 15.0 | 6.25 6.67 7.08 7.29 7.50 | 3.12 3.34 3.54 3.65 3.75 | 3.62 3.86 4.10 4.22 4.34 | 1.82 1.93 2.05 2.10 2.17 |
| 1,900 2,000 2,200 2,500 2,750 | 15.8 16.7 18.3 20.8 23.0 | 7.92 8.33 9.17 10.4 11.5 | 3.96 4.17 4.59 5.21 5.73 | 4.58 4.82 5.30 6.10 6.63 | 2.29 2.41 2.65 3.05 3.32 |
| 3,000 3,500 4,000 4,500 5,000 | 25.0 29.2 33.3 37.5 41.7 | 12.5 14.6 16.7 18.8 20.8 | 6.25 7.30 8.33 9.38 10.42 | 7.23 8.45 9.64 10.84 12.1 | 3.62 4.23 4.82 5.42 6.1 |
| 6,000 7,000 8,000 9,000 10,000 | 50.0 58.3 66.7 75.0 83.3 | 25.0 29.2 33.3 37.5 41.7 | 12.50 14.59 16.67 18.75 20.85 | 14.50 16.9 19.3 21.7 24.1 | 7.25 8.5 9.65 10.85 12.1 |