NOTE: If you need assistance with circuit protection devices such as fuses or breakers, or wire sizing, please consult a licensed electrical contractor or electrician in your area who will be familiar with state and local codes.
 

1. Select transformer phase.

2. Enter any two values, then click or tap "Calculate"

KVA:

Volts:

Amps:

FORMULAS USED IN CALCULATOR:

1-Phase KVA = Volts x Amps / 1000
1-Phase Amps = KVA / Volts x 1000
3-Phase KVA = Volts x Amps x 1.732 / 1000
3-Phase Amps = KVA / Volts / 1.732 x 1000