650 Amp Cable Size at 80 Meters (400V Three-Phase (IEC European Grid))
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 (0.6%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.95V (1.99%)
Voltage at Load397.6 VLine Loss: 2712.4 W
Max Power & Breaker450.33 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 (321.24%) | 0.0 V | 2119.57 V (529.89%) | 1446640.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 770.97 V (192.74%) | 0.0 V | 1271.74 V (317.94%) | 867984.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 481.86 V (120.46%) | 0.0 V | 794.84 V (198.71%) | 542490.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 321.24 V (80.31%) | 78.8 V | 529.89 V (132.47%) | 361660.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 192.74 V (48.19%) | 207.3 V | 317.94 V (79.48%) | 216996.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 120.46 V (30.12%) | 279.5 V | 198.71 V (49.68%) | 135622.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 77.1 V (19.27%) | 322.9 V | 127.17 V (31.79%) | 86798.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 55.07 V (13.77%) | 344.9 V | 90.84 V (22.71%) | 61998.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 38.55 V (9.64%) | 361.5 V | 63.59 V (15.9%) | 43399.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 27.53 V (6.88%) | 372.5 V | 45.42 V (11.35%) | 30999.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 20.29 V (5.07%) | 379.7 V | 33.47 V (8.37%) | 22841.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.06 V (4.02%) | 383.9 V | 26.49 V (6.62%) | 18083.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.85 V (3.21%) | 387.2 V | 21.2 V (5.3%) | 14466.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.42 V (2.6%) | 389.6 V | 17.19 V (4.3%) | 11729.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.03 V (2.01%) | 392.0 V | 13.25 V (3.31%) | 9041.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.42 V (1.61%) | 393.6 V | 10.6 V (2.65%) | 7233.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.82 V (1.2%) | 395.2 V | 7.95 V (1.99%) | 5424.9 W | Drop High |
FAQ — 650 Amp Cable Size at 80 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 650A at 80 meters (400V)?
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 400V (voltage drop: 2.41V or 0.6%).
What is the power capacity of 650A at 400V?
At unity power factor, 650A at 400V supports 450.33 kW with a standard 700A circuit breaker.
Related Lengths & Currents (400V)
650A · 5m (400V)650A · 10m (400V)650A · 15m (400V)650A · 20m (400V)650A · 25m (400V)650A · 30m (400V)650A · 35m (400V)650A · 40m (400V)650A · 45m (400V)650A · 50m (400V)650A · 60m (400V)650A · 70m (400V)10A · 80m (400V)16A · 80m (400V)20A · 80m (400V)25A · 80m (400V)32A · 80m (400V)40A · 80m (400V)50A · 80m (400V)63A · 80m (400V)80A · 80m (400V)100A · 80m (400V)125A · 80m (400V)160A · 80m (400V)200A · 80m (400V)