Electrical - IEC 60364

Cable cross-section Calculator

Work out the cable cross-section you need from current, cable length and permissible voltage drop. Includes a current-carrying capacity check to IEC 60364.

Recommended cross-section–

Inputs

System type

System voltage (V)

Load current I (A)

Cable length, one way (m)

Conductor material

Cross-section (mm²)

Cross-section (AWG)

Enter mm² or AWG. The other value is converted automatically.

Max. voltage drop (%)

Max. voltage drop (V)

If both are given, the stricter limit applies.

Conductor temperature (°C)

For the resistance calculation

Ambient temperature (°C)

For the current-carrying capacity check

Installation method

Results

Resistance

Resistivity ρ(T) (Ω-m)

Resistance per conductor (Ω)

Loop resistance, out and back (Ω)

Voltage drop

Voltage drop ΔU (V)

Voltage drop (%)

Voltage at the load (V)

Minimum cross-section (voltage drop)

Calculated (mm²)

Next standard cross-section

Recommended minimum cross-section

Recommended (mm²)

Recommended (AWG)

Current-carrying capacity (simplified)

Continuous current I_zul (A)

Utilisation I / I_zul (%)