Cable Cross-Section Calculator

Electricity
727 calculations
Having trouble? Go to tutorial
📝 How it works:
Calculate the required cable cross-section according to DIN VDE 0298-4 and DIN VDE 0100-520. Considers cable length, voltage, current, installation type and material (copper/aluminium).

Fill in the fields below and click "Calculate".

Cable Cross-Section Calculator

Determine the correct cable cross-section for your electrical installation quickly and reliably. Our calculator uses DIN VDE 0298-4 and DIN VDE 0100-520 to give you accurate results.

How to Use

Enter the current type, voltage, current strength, cable length and installation type. The calculator instantly shows the required minimum cross-section.

Why Correct Cable Sizing Matters

  • Prevents overheating and fire hazards
  • Ensures compliance with DIN VDE standards
  • Optimises energy efficiency
  • Required for installation approvals
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