Table
3-Phase kW to Amps Table
3-Phase kW to Amps Table reference with assumptions and boundary notes.
Reference boundary
Formula estimate only. It does not replace equipment nameplate current, conductor sizing, or protection selection.
Reference table
Estimate three-phase line current from kW at common Canadian voltages.
| kW | 208 V A | 480 V A | 600 V A | Assumption |
|---|---|---|---|---|
| 1 | 3.1 | 1.3 | 1.1 | PF 0.90 |
| 2 | 6.2 | 2.7 | 2.1 | PF 0.90 |
| 5 | 15.4 | 6.7 | 5.3 | PF 0.90 |
| 10 | 30.8 | 13.4 | 10.7 | PF 0.90 |
| 15 | 46.3 | 20 | 16 | PF 0.90 |
| 25 | 77.1 | 33.4 | 26.7 | PF 0.90 |
| 50 | 154.2 | 66.8 | 53.5 | PF 0.90 |
| 75 | 231.3 | 100.2 | 80.2 | PF 0.90 |
| 100 | 308.4 | 133.6 | 106.9 | 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.