650 Amp Cable Size at 10 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 10 m (32.8 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.3V (0.04%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.99V (0.14%)
Voltage at Load689.7 VLine Loss: 339.1 W
Max Power & Breaker776.82 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 10m
| 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 | 160.62 V (23.28%) | 529.4 V | 264.95 V (38.4%) | 180830.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 96.37 V (13.97%) | 593.6 V | 158.97 V (23.04%) | 108498.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 60.23 V (8.73%) | 629.8 V | 99.35 V (14.4%) | 67811.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 40.15 V (5.82%) | 649.8 V | 66.24 V (9.6%) | 45207.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 24.09 V (3.49%) | 665.9 V | 39.74 V (5.76%) | 27124.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 15.06 V (2.18%) | 674.9 V | 24.84 V (3.6%) | 16952.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 9.64 V (1.4%) | 680.4 V | 15.9 V (2.3%) | 10849.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 6.88 V (1.0%) | 683.1 V | 11.35 V (1.65%) | 7749.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.82 V (0.7%) | 685.2 V | 7.95 V (1.15%) | 5424.9 W | Drop High |
| 70 mm² | 192 A | 150 A | 3.44 V (0.5%) | 686.6 V | 5.68 V (0.82%) | 3874.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.54 V (0.37%) | 687.5 V | 4.18 V (0.61%) | 2855.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 2.01 V (0.29%) | 688.0 V | 3.31 V (0.48%) | 2260.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.61 V (0.23%) | 688.4 V | 2.65 V (0.38%) | 1808.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.3 V (0.19%) | 688.7 V | 2.15 V (0.31%) | 1466.2 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.0 V (0.15%) | 689.0 V | 1.66 V (0.24%) | 1130.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.8 V (0.12%) | 689.2 V | 1.32 V (0.19%) | 904.1 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.6 V (0.09%) | 689.4 V | 0.99 V (0.14%) | 678.1 W | Drop High |
FAQ — 650 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 650A at 10 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 10m at 690V (voltage drop: 0.3V or 0.04%).
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 · 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 · 10m (690V)16A · 10m (690V)20A · 10m (690V)25A · 10m (690V)32A · 10m (690V)40A · 10m (690V)50A · 10m (690V)63A · 10m (690V)80A · 10m (690V)100A · 10m (690V)125A · 10m (690V)160A · 10m (690V)200A · 10m (690V)