Fault Current Calculator

Transformer Size (kVA): Secondary Voltage (V): Impedance (%): System Type:

Available Fault Current: -- A

Formula (3Φ): (kVA × 1000 ÷ Voltage) ÷ (Impedance ÷ 100)
Formula (1Φ): (kVA × 1000 ÷ (√3 × Voltage)) ÷ (Impedance ÷ 100)