63 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 63 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 11.68V (2.81%)
Aluminum Cable (≤3% Drop)120 mm²Drop: 11.23V (2.71%)
Voltage at Load403.3 VLine Loss: 1274.0 W
Max Power & Breaker45.28 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 350m
| 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 | 544.87 V (131.29%) | 0.0 V | 898.78 V (216.57%) | 59455.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 326.92 V (78.78%) | 88.1 V | 539.27 V (129.94%) | 35673.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 204.33 V (49.24%) | 210.7 V | 337.04 V (81.21%) | 22295.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 136.22 V (32.82%) | 278.8 V | 224.69 V (54.14%) | 14863.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 81.73 V (19.69%) | 333.3 V | 134.82 V (32.49%) | 8918.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 51.08 V (12.31%) | 363.9 V | 84.26 V (20.3%) | 5574.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 32.69 V (7.88%) | 382.3 V | 53.93 V (12.99%) | 3567.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 23.35 V (5.63%) | 391.6 V | 38.52 V (9.28%) | 2548.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 16.35 V (3.94%) | 398.7 V | 26.96 V (6.5%) | 1783.7 W | ~ ≤5% |
| 70 mm² | 192 A | 150 A | 11.68 V (2.81%) | 403.3 V | 19.26 V (4.64%) | 1274.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 8.6 V (2.07%) | 406.4 V | 14.19 V (3.42%) | 938.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 6.81 V (1.64%) | 408.2 V | 11.23 V (2.71%) | 743.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 5.45 V (1.31%) | 409.6 V | 8.99 V (2.17%) | 594.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 4.42 V (1.06%) | 410.6 V | 7.29 V (1.76%) | 482.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 3.41 V (0.82%) | 411.6 V | 5.62 V (1.35%) | 371.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.72 V (0.66%) | 412.3 V | 4.49 V (1.08%) | 297.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.04 V (0.49%) | 413.0 V | 3.37 V (0.81%) | 223.0 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 63A at 350 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 63A over 350m at 415V (voltage drop: 11.68V or 2.81%).
What is the power capacity of 63A at 415V?
At unity power factor, 63A at 415V supports 45.28 kW with a standard 63A circuit breaker.
Related Lengths & Currents (415V)
63A · 5m (415V)63A · 10m (415V)63A · 15m (415V)63A · 20m (415V)63A · 25m (415V)63A · 30m (415V)63A · 35m (415V)63A · 40m (415V)63A · 45m (415V)63A · 50m (415V)63A · 60m (415V)63A · 70m (415V)10A · 350m (415V)16A · 350m (415V)20A · 350m (415V)25A · 350m (415V)32A · 350m (415V)40A · 350m (415V)50A · 350m (415V)80A · 350m (415V)100A · 350m (415V)125A · 350m (415V)160A · 350m (415V)200A · 350m (415V)