450 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 450 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 12.51V (1.81%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 41.27V (5.98%)
Voltage at Load677.5 VLine Loss: 9750.4 W
Max Power & Breaker537.8 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A at 600m
| 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 | 6671.86 V (966.94%) | 0.0 V | 11005.45 V (1594.99%) | 5200200.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4003.12 V (580.16%) | 0.0 V | 6603.27 V (957.0%) | 3120120.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2501.95 V (362.6%) | 0.0 V | 4127.04 V (598.12%) | 1950075.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1667.96 V (241.73%) | 0.0 V | 2751.36 V (398.75%) | 1300050.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1000.78 V (145.04%) | 0.0 V | 1650.82 V (239.25%) | 780030.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 625.49 V (90.65%) | 64.5 V | 1031.76 V (149.53%) | 487518.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 400.31 V (58.02%) | 289.7 V | 660.33 V (95.7%) | 312012.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 285.94 V (41.44%) | 404.1 V | 471.66 V (68.36%) | 222865.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 200.16 V (29.01%) | 489.8 V | 330.16 V (47.85%) | 156006.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 142.97 V (20.72%) | 547.0 V | 235.83 V (34.18%) | 111432.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 105.35 V (15.27%) | 584.7 V | 173.77 V (25.18%) | 82108.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 83.4 V (12.09%) | 606.6 V | 137.57 V (19.94%) | 65002.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 66.72 V (9.67%) | 623.3 V | 110.05 V (15.95%) | 52002.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 54.1 V (7.84%) | 635.9 V | 89.23 V (12.93%) | 42163.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 41.7 V (6.04%) | 648.3 V | 68.78 V (9.97%) | 32501.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 33.36 V (4.83%) | 656.6 V | 55.03 V (7.97%) | 26001.0 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 25.02 V (3.63%) | 665.0 V | 41.27 V (5.98%) | 19500.7 W | ~ ≤5% |
FAQ — 450 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 450A at 600 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 450A over 600m at 690V (voltage drop: 12.51V or 1.81%).
What is the power capacity of 450A at 690V?
At unity power factor, 450A at 690V supports 537.8 kW with a standard 450A circuit breaker.
Related Lengths & Currents (690V)
450A · 5m (690V)450A · 10m (690V)450A · 15m (690V)450A · 20m (690V)450A · 25m (690V)450A · 30m (690V)450A · 35m (690V)450A · 40m (690V)450A · 45m (690V)450A · 50m (690V)450A · 60m (690V)450A · 70m (690V)10A · 600m (690V)16A · 600m (690V)20A · 600m (690V)25A · 600m (690V)32A · 600m (690V)40A · 600m (690V)50A · 600m (690V)63A · 600m (690V)80A · 600m (690V)100A · 600m (690V)125A · 600m (690V)160A · 600m (690V)200A · 600m (690V)