63 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 63 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 6.47V (2.81%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 5.62V (2.44%)
Voltage at Load223.5 VLine Loss: 407.7 W
Max Power & Breaker14.49 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A 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 | 215.71 V (93.79%) | 14.3 V | 355.82 V (154.71%) | 13589.9 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 129.43 V (56.27%) | 100.6 V | 213.49 V (92.82%) | 8153.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 80.89 V (35.17%) | 149.1 V | 133.43 V (58.01%) | 5096.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 53.93 V (23.45%) | 176.1 V | 88.96 V (38.68%) | 3397.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 32.36 V (14.07%) | 197.6 V | 53.37 V (23.21%) | 2038.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 20.22 V (8.79%) | 209.8 V | 33.36 V (14.5%) | 1274.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 12.94 V (5.63%) | 217.1 V | 21.35 V (9.28%) | 815.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 9.24 V (4.02%) | 220.8 V | 15.25 V (6.63%) | 582.4 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 6.47 V (2.81%) | 223.5 V | 10.67 V (4.64%) | 407.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 4.62 V (2.01%) | 225.4 V | 7.62 V (3.32%) | 291.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.41 V (1.48%) | 226.6 V | 5.62 V (2.44%) | 214.6 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.7 V (1.17%) | 227.3 V | 4.45 V (1.93%) | 169.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.16 V (0.94%) | 227.8 V | 3.56 V (1.55%) | 135.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.75 V (0.76%) | 228.3 V | 2.89 V (1.25%) | 110.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.35 V (0.59%) | 228.7 V | 2.22 V (0.97%) | 84.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.08 V (0.47%) | 228.9 V | 1.78 V (0.77%) | 67.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.81 V (0.35%) | 229.2 V | 1.33 V (0.58%) | 51.0 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 63A at 120 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 63A over 120m at 230V (voltage drop: 6.47V or 2.81%).
What is the power capacity of 63A at 230V?
At unity power factor, 63A at 230V supports 14.49 kW with a standard 63A circuit breaker.
Related Lengths & Currents (230V)
63A · 5m (230V)63A · 10m (230V)63A · 15m (230V)63A · 20m (230V)63A · 25m (230V)63A · 30m (230V)63A · 35m (230V)63A · 40m (230V)63A · 45m (230V)63A · 50m (230V)63A · 60m (230V)63A · 70m (230V)10A · 120m (230V)16A · 120m (230V)20A · 120m (230V)25A · 120m (230V)32A · 120m (230V)40A · 120m (230V)50A · 120m (230V)80A · 120m (230V)100A · 120m (230V)125A · 120m (230V)160A · 120m (230V)200A · 120m (230V)