35 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 35 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)35 mm²Drop: 5.14V (2.23%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 5.93V (2.58%)
Voltage at Load224.9 VLine Loss: 179.8 W
Max Power & Breaker8.05 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A at 120m
| 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 | 119.84 V (52.1%) | 110.2 V | 197.68 V (85.95%) | 4194.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 71.9 V (31.26%) | 158.1 V | 118.61 V (51.57%) | 2516.6 W | Drop High |
| 4 mm² | 32 A | 25 A | 44.94 V (19.54%) | 185.1 V | 74.13 V (32.23%) | 1572.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 29.96 V (13.03%) | 200.0 V | 49.42 V (21.49%) | 1048.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 17.98 V (7.82%) | 212.0 V | 29.65 V (12.89%) | 629.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 11.23 V (4.88%) | 218.8 V | 18.53 V (8.06%) | 393.2 W | ~ ≤5% |
| 25 mm² | 101 A | 78 A | 7.19 V (3.13%) | 222.8 V | 11.86 V (5.16%) | 251.7 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 5.14 V (2.23%) | 224.9 V | 8.47 V (3.68%) | 179.8 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 3.6 V (1.56%) | 226.4 V | 5.93 V (2.58%) | 125.8 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.57 V (1.12%) | 227.4 V | 4.24 V (1.84%) | 89.9 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.89 V (0.82%) | 228.1 V | 3.12 V (1.36%) | 66.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.5 V (0.65%) | 228.5 V | 2.47 V (1.07%) | 52.4 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.2 V (0.52%) | 228.8 V | 1.98 V (0.86%) | 41.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.97 V (0.42%) | 229.0 V | 1.6 V (0.7%) | 34.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.75 V (0.33%) | 229.3 V | 1.24 V (0.54%) | 26.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.6 V (0.26%) | 229.4 V | 0.99 V (0.43%) | 21.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.45 V (0.2%) | 229.6 V | 0.74 V (0.32%) | 15.7 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 35A at 120 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 35A over 120m at 230V (voltage drop: 5.14V or 2.23%).
What is the power capacity of 35A at 230V?
At unity power factor, 35A at 230V supports 8.05 kW with a standard 35A circuit breaker.
Related Lengths & Currents (230V)
35A · 5m (230V)35A · 10m (230V)35A · 15m (230V)35A · 20m (230V)35A · 25m (230V)35A · 30m (230V)35A · 35m (230V)35A · 40m (230V)35A · 45m (230V)35A · 50m (230V)35A · 60m (230V)35A · 70m (230V)10A · 120m (230V)16A · 120m (230V)20A · 120m (230V)25A · 120m (230V)32A · 120m (230V)40A · 120m (230V)50A · 120m (230V)63A · 120m (230V)80A · 120m (230V)100A · 120m (230V)125A · 120m (230V)160A · 120m (230V)200A · 120m (230V)