PV Cable Voltage-Drop Calculator
⚠️
DC drop guideline < 2% per IEC 60364 / 62548.
🔗 String & Cable
String current Imp (A)
One-way distance (m)
Cable section (mm²)
4 mm²
6 mm²
10 mm²
String voltage (V)
Parallel strings
📊 Voltage-Drop Result
Enter the string current and distance — voltage drop and cable sizing appear here instantly.
🧮 How it was calculated
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PV Cable Voltage-Drop Calculator
from QDTB.