I(A) = 1000 × S(kVA) / V(V)
3 phase kVA to amps formula
Calculation with line to neutral voltage: I(A) = 1000 × S(kVA) / (3 × VL-N(V) )
Calculation with line to line voltage: I(A) = 1000 × S(kVA) / (√3 × VL-L(V) )