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Voltage Drop Calculator
Check cable sizing for acceptable voltage drop
Voltage (V)
230V
400V
415V
480V
Phases
1φ
3φ
Current (Amps)
Cable Length (meters)
Cable Size (mm²)
1.5 mm²
2.5 mm²
4 mm²
6 mm²
10 mm²
16 mm²
25 mm²
35 mm²
50 mm²
70 mm²
95 mm²
120 mm²
150 mm²
185 mm²
240 mm²
300 mm²
Cable Type
copper
aluminium
Max Voltage Drop (%)
3%
4%
5%
Calculate Voltage Drop
Enter cable details to check voltage drop