Electrical EPC

Cable Sizing — Voltage Drop

Find the minimum cable cross-section to meet voltage drop limits for copper and aluminium conductors per IEC 60228.

Standards: IEC 60228 IEC 60364-5-52

Cable Sizing — Voltage Drop Method

Find the minimum copper or aluminium cable cross-section that keeps voltage drop within the allowable limit per IEC 60228 / IEC 60364.

System type

Nominal voltage

Load power

Power factor

Typical industrial: 0.80–0.95.

Cable run length

One-way distance from source to load.

Conductor material

Max allowable voltage drop

IEC 60364-5-52 / BNBC: 3% for final circuits, 5% for distribution.

Results will appear here after you calculate.

For estimation purposes only. Results are indicative and based on simplified engineering models. Always consult a qualified engineer before making design or investment decisions. Sustech Technology Ltd accepts no liability for decisions made based on these calculations.

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