650 Amp Cable Size at 500 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 650 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 15.06V (2.18%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 49.68V (7.2%)
Voltage at Load674.9 VLine Loss: 16952.8 W
Max Power & Breaker776.82 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 500m
| 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 | 8030.94 V (1163.9%) | 0.0 V | 13247.3 V (1919.9%) | 9041500.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4818.57 V (698.34%) | 0.0 V | 7948.38 V (1151.94%) | 5424900.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 3011.6 V (436.46%) | 0.0 V | 4967.74 V (719.96%) | 3390562.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 2007.74 V (290.98%) | 0.0 V | 3311.83 V (479.97%) | 2260375.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1204.64 V (174.59%) | 0.0 V | 1987.1 V (287.98%) | 1356225.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 752.9 V (109.12%) | 0.0 V | 1241.93 V (179.99%) | 847640.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 481.86 V (69.83%) | 208.1 V | 794.84 V (115.19%) | 542490.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 344.18 V (49.88%) | 345.8 V | 567.74 V (82.28%) | 387492.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 240.93 V (34.92%) | 449.1 V | 397.42 V (57.6%) | 271245.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 172.09 V (24.94%) | 517.9 V | 283.87 V (41.14%) | 193746.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 126.8 V (18.38%) | 563.2 V | 209.17 V (30.31%) | 142760.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 100.39 V (14.55%) | 589.6 V | 165.59 V (24.0%) | 113018.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 80.31 V (11.64%) | 609.7 V | 132.47 V (19.2%) | 90415.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 65.12 V (9.44%) | 624.9 V | 107.41 V (15.57%) | 73309.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 50.19 V (7.27%) | 639.8 V | 82.8 V (12.0%) | 56509.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 40.15 V (5.82%) | 649.8 V | 66.24 V (9.6%) | 45207.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 30.12 V (4.36%) | 659.9 V | 49.68 V (7.2%) | 33905.6 W | Drop High |
FAQ — 650 Amp Cable Size at 500 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 650A at 500 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 650A over 500m at 690V (voltage drop: 15.06V or 2.18%).
What is the power capacity of 650A at 690V?
At unity power factor, 650A at 690V supports 776.82 kW with a standard 700A circuit breaker.
Related Lengths & Currents (690V)
650A · 5m (690V)650A · 10m (690V)650A · 15m (690V)650A · 20m (690V)650A · 25m (690V)650A · 30m (690V)650A · 35m (690V)650A · 40m (690V)650A · 45m (690V)650A · 50m (690V)650A · 60m (690V)650A · 70m (690V)10A · 500m (690V)16A · 500m (690V)20A · 500m (690V)25A · 500m (690V)32A · 500m (690V)40A · 500m (690V)50A · 500m (690V)63A · 500m (690V)80A · 500m (690V)100A · 500m (690V)125A · 500m (690V)160A · 500m (690V)200A · 500m (690V)