30 Amp Cable Size at 35 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 30 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)10 mm²Drop: 4.49V (1.95%)
Aluminum Cable (≤3% Drop)16 mm²Drop: 4.63V (2.01%)
Voltage at Load225.5 VLine Loss: 134.8 W
Max Power & Breaker6.9 kW30A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 30A at 35m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 29.96 V (13.03%) | 200.0 V | 49.42 V (21.49%) | 898.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 17.98 V (7.82%) | 212.0 V | 29.65 V (12.89%) | 539.3 W | Drop High |
| 4 mm² | 32 A | 25 A | 11.23 V (4.88%) | 218.8 V | 18.53 V (8.06%) | 337.1 W | ~ ≤5% |
| 6 mm² | 41 A | 32 A | 7.49 V (3.26%) | 222.5 V | 12.36 V (5.37%) | 224.7 W | ~ ≤5% |
| 10 mm² | 57 A | 44 A | 4.49 V (1.95%) | 225.5 V | 7.41 V (3.22%) | 134.8 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 2.81 V (1.22%) | 227.2 V | 4.63 V (2.01%) | 84.3 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.8 V (0.78%) | 228.2 V | 2.97 V (1.29%) | 53.9 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.28 V (0.56%) | 228.7 V | 2.12 V (0.92%) | 38.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.9 V (0.39%) | 229.1 V | 1.48 V (0.64%) | 27.0 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.64 V (0.28%) | 229.4 V | 1.06 V (0.46%) | 19.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.47 V (0.21%) | 229.5 V | 0.78 V (0.34%) | 14.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.37 V (0.16%) | 229.6 V | 0.62 V (0.27%) | 11.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.3 V (0.13%) | 229.7 V | 0.49 V (0.21%) | 9.0 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.24 V (0.11%) | 229.8 V | 0.4 V (0.17%) | 7.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.19 V (0.08%) | 229.8 V | 0.31 V (0.13%) | 5.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.15 V (0.07%) | 229.9 V | 0.25 V (0.11%) | 4.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.11 V (0.05%) | 229.9 V | 0.19 V (0.08%) | 3.4 W | ✓ OK (≤3%) |
FAQ — 30 Amp Cable Size at 35 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 30A at 35 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10 mm² copper cable for 30A over 35m at 230V (voltage drop: 4.49V or 1.95%).
What is the power capacity of 30A at 230V?
At unity power factor, 30A at 230V supports 6.9 kW with a standard 30A circuit breaker.
Related Lengths & Currents (230V)
30A · 5m (230V)30A · 10m (230V)30A · 15m (230V)30A · 20m (230V)30A · 25m (230V)30A · 30m (230V)30A · 40m (230V)30A · 45m (230V)30A · 50m (230V)30A · 60m (230V)30A · 70m (230V)10A · 35m (230V)16A · 35m (230V)20A · 35m (230V)25A · 35m (230V)32A · 35m (230V)40A · 35m (230V)50A · 35m (230V)63A · 35m (230V)80A · 35m (230V)100A · 35m (230V)125A · 35m (230V)160A · 35m (230V)200A · 35m (230V)