Fault Current Calculator

Calculate the prospective fault current Ifc PFC from the Zs (earth fault loop impedance) value, and the other way around. Includes single and three phase calculations.

Circuit prospective fault current calculator, PFC calculator.

Calculate the PFC fault current (kA & Amps) single phase and three phase PFC from the voltage and Ze or Zs earth loop impedance values.

Enter any two values to calculate the third.

Features:

• Calculate PFC (from Zs/Ze & Voltage)
• Calculate Zs / Ze (from Voltage & PFC)
• Calculate Voltage (From PFC & Zs/Ze)
• Calculate to PFC kA and PFC Amps single & three phase.

A useful electrical PFC calculator to calculate the PFC kA to check the correct MCB kA rating is selected or circuit fault current.

How to use:

1. Enter ANY two values to calculate the third.

Calculate the circuit Prospective Fault Current from the Zs / Ze and voltage values.

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