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    Voltage Drop Calculator (Three-Phase)

    ΔV = √3 · I · L · (R·cosφ + X·sinφ) / 1000.

    Inputs
    Result
    Voltage drop
    3.31 V
    Drop as % of nominal
    0.83 %

    Notes & assumptions

    • IEC 60364 typically recommends ≤ 3% for lighting and ≤ 5% for power circuits.

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