kVA Calculator
Phase
V
A
kVA = V × I × √3 / 1,000
Standard kVA Sizes Reference
| Rating | Typical Application | Product Type |
|---|---|---|
| 50–500 kVA | Residential / Light Commercial | Distribution |
| 630–2,500 kVA | Commercial / Small Industrial | Distribution |
| 3,150–10,000 kVA | Industrial / Large Commercial | Dist / Dry Type |
| 12,500–50,000 kVA | Substation / Utility | Power |
| 63,000–200,000 kVA | Grid / Transmission | Power |
Specify the right transformer for your kVA
Once you've sized your load, browse the matching product range or continue refining the design with related engineering tools.