650 Amp Cable Size at 80 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 80 m (262.5 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 2.41V (0.58%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.95V (1.92%)
Voltage at Load412.6 VLine Loss: 2712.4 W
Max Power & Breaker467.22 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 80m
| 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 | 1284.95 V (309.63%) | 0.0 V | 2119.57 V (510.74%) | 1446640.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 770.97 V (185.78%) | 0.0 V | 1271.74 V (306.44%) | 867984.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 481.86 V (116.11%) | 0.0 V | 794.84 V (191.53%) | 542490.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 321.24 V (77.41%) | 93.8 V | 529.89 V (127.68%) | 361660.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 192.74 V (46.44%) | 222.3 V | 317.94 V (76.61%) | 216996.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 120.46 V (29.03%) | 294.5 V | 198.71 V (47.88%) | 135622.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 77.1 V (18.58%) | 337.9 V | 127.17 V (30.64%) | 86798.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 55.07 V (13.27%) | 359.9 V | 90.84 V (21.89%) | 61998.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 38.55 V (9.29%) | 376.5 V | 63.59 V (15.32%) | 43399.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 27.53 V (6.63%) | 387.5 V | 45.42 V (10.94%) | 30999.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 20.29 V (4.89%) | 394.7 V | 33.47 V (8.06%) | 22841.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.06 V (3.87%) | 398.9 V | 26.49 V (6.38%) | 18083.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.85 V (3.1%) | 402.2 V | 21.2 V (5.11%) | 14466.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.42 V (2.51%) | 404.6 V | 17.19 V (4.14%) | 11729.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.03 V (1.94%) | 407.0 V | 13.25 V (3.19%) | 9041.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.42 V (1.55%) | 408.6 V | 10.6 V (2.55%) | 7233.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.82 V (1.16%) | 410.2 V | 7.95 V (1.92%) | 5424.9 W | Drop High |
FAQ — 650 Amp Cable Size at 80 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 650A at 80 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 80m at 415V (voltage drop: 2.41V or 0.58%).
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 · 80m (415V)16A · 80m (415V)20A · 80m (415V)25A · 80m (415V)32A · 80m (415V)40A · 80m (415V)50A · 80m (415V)63A · 80m (415V)80A · 80m (415V)100A · 80m (415V)125A · 80m (415V)160A · 80m (415V)200A · 80m (415V)