Transformer full-load current calculator.

Estimate the full-load secondary current based on transformer kVA rating and voltage.

Enter transformer details

Transformer rating

Unit

HT voltage (kV)

LT voltage (V)

Live result

Transformer full-load current0 A HT · 0 A LTPreliminary planning values for panel and breaker discussions.

HT full-load current0 A

LT full-load current0 A

Share transformer rating, impedance, fault-level study, SLD and protection requirements for final HT/LT panel engineering.