650 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 650 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 10.54V (2.54%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 34.77V (8.38%)
Voltage at Load404.5 VLine Loss: 11867.0 W
Max Power & Breaker467.22 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A 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 | 5621.66 V (1354.62%) | 0.0 V | 9273.11 V (2234.48%) | 6329050.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3373.0 V (812.77%) | 0.0 V | 5563.87 V (1340.69%) | 3797430.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2108.12 V (507.98%) | 0.0 V | 3477.42 V (837.93%) | 2373393.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 1405.41 V (338.65%) | 0.0 V | 2318.28 V (558.62%) | 1582262.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 843.25 V (203.19%) | 0.0 V | 1390.97 V (335.17%) | 949357.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 527.03 V (127.0%) | 0.0 V | 869.35 V (209.48%) | 593348.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 337.3 V (81.28%) | 77.7 V | 556.39 V (134.07%) | 379743.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 240.93 V (58.06%) | 174.1 V | 397.42 V (95.76%) | 271245.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 168.65 V (40.64%) | 246.4 V | 278.19 V (67.03%) | 189871.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 120.46 V (29.03%) | 294.5 V | 198.71 V (47.88%) | 135622.5 W | Drop High |
| 95 mm² | 232 A | 181 A | 88.76 V (21.39%) | 326.2 V | 146.42 V (35.28%) | 99932.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 70.27 V (16.93%) | 344.7 V | 115.91 V (27.93%) | 79113.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 56.22 V (13.55%) | 358.8 V | 92.73 V (22.34%) | 63290.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 45.58 V (10.98%) | 369.4 V | 75.19 V (18.12%) | 51316.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 35.14 V (8.47%) | 379.9 V | 57.96 V (13.97%) | 39556.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 28.11 V (6.77%) | 386.9 V | 46.37 V (11.17%) | 31645.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 21.08 V (5.08%) | 393.9 V | 34.77 V (8.38%) | 23733.9 W | Drop High |
FAQ — 650 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 650A at 350 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 650A over 350m at 415V (voltage drop: 10.54V or 2.54%).
What is the power capacity of 650A at 415V?
At unity power factor, 650A at 415V supports 467.22 kW with a standard 700A circuit breaker.
Related Lengths & Currents (415V)
650A · 5m (415V)650A · 10m (415V)650A · 15m (415V)650A · 20m (415V)650A · 25m (415V)650A · 30m (415V)650A · 35m (415V)650A · 40m (415V)650A · 45m (415V)650A · 50m (415V)650A · 60m (415V)650A · 70m (415V)10A · 350m (415V)16A · 350m (415V)20A · 350m (415V)25A · 350m (415V)32A · 350m (415V)40A · 350m (415V)50A · 350m (415V)63A · 350m (415V)80A · 350m (415V)100A · 350m (415V)125A · 350m (415V)160A · 350m (415V)200A · 350m (415V)