Voltage Drop Calculator

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Inputs
Result
1.21%

4.85 V drop on a 400 V circuit. Compare this result with the project voltage-drop limit.

Voltage drop4.85 V
Drop percentage1.21%
Resistivity used0.0175 ohm mm2/m
Formula basisThree-phase approximation
Next checks
  • Run cable ampacity and protection checks next.
  • Check local voltage-drop limits for the application and market.
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