Table
3-Phase Amps to kW Table
3-Phase Amps to kW Table reference with assumptions and boundary notes.
Reference boundary
Formula estimate only. It does not replace measured demand, utility billing demand, or nameplate data.
Reference table
Estimate three-phase kW from line current at common Canadian voltages.
| Line current (A) | 208 V kW | 480 V kW | 600 V kW | Assumption |
|---|---|---|---|---|
| 5 | 1.6 | 3.7 | 4.7 | PF 0.90 |
| 10 | 3.2 | 7.5 | 9.4 | PF 0.90 |
| 20 | 6.5 | 15 | 18.7 | PF 0.90 |
| 50 | 16.2 | 37.4 | 46.8 | PF 0.90 |
| 100 | 32.4 | 74.8 | 93.5 | PF 0.90 |
| 200 | 64.8 | 149.6 | 187.1 | PF 0.90 |
| 400 | 129.7 | 299.3 | 374.1 | PF 0.90 |
| 600 | 194.5 | 448.9 | 561.2 | PF 0.90 |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.