750 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 750 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 13.9V (2.01%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 68.78V (9.97%)
Voltage at Load676.1 VLine Loss: 18056.2 W
Max Power & Breaker896.34 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A 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 | 11119.77 V (1611.56%) | 0.0 V | 18342.42 V (2658.32%) | 14445000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 6671.86 V (966.94%) | 0.0 V | 11005.45 V (1594.99%) | 8667000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4169.91 V (604.34%) | 0.0 V | 6878.41 V (996.87%) | 5416875.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2779.94 V (402.89%) | 0.0 V | 4585.6 V (664.58%) | 3611250.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1667.96 V (241.73%) | 0.0 V | 2751.36 V (398.75%) | 2166750.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1042.48 V (151.08%) | 0.0 V | 1719.6 V (249.22%) | 1354218.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 667.19 V (96.69%) | 22.8 V | 1100.55 V (159.5%) | 866700.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 476.56 V (69.07%) | 213.4 V | 786.1 V (113.93%) | 619071.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 333.59 V (48.35%) | 356.4 V | 550.27 V (79.75%) | 433350.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 238.28 V (34.53%) | 451.7 V | 393.05 V (56.96%) | 309535.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 175.58 V (25.45%) | 514.4 V | 289.62 V (41.97%) | 228078.9 W | Drop High |
| 120 mm² | 269 A | 210 A | 139.0 V (20.14%) | 551.0 V | 229.28 V (33.23%) | 180562.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 111.2 V (16.12%) | 578.8 V | 183.42 V (26.58%) | 144450.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 90.16 V (13.07%) | 599.8 V | 148.72 V (21.55%) | 117121.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 69.5 V (10.07%) | 620.5 V | 114.64 V (16.61%) | 90281.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 55.6 V (8.06%) | 634.4 V | 91.71 V (13.29%) | 72225.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 41.7 V (6.04%) | 648.3 V | 68.78 V (9.97%) | 54168.7 W | Drop High |
FAQ — 750 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 750A at 600 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 750A over 600m at 690V (voltage drop: 13.9V or 2.01%).
What is the power capacity of 750A at 690V?
At unity power factor, 750A at 690V supports 896.34 kW with a standard 800A circuit breaker.
Related Lengths & Currents (690V)
750A · 5m (690V)750A · 10m (690V)750A · 15m (690V)750A · 20m (690V)750A · 25m (690V)750A · 30m (690V)750A · 35m (690V)750A · 40m (690V)750A · 45m (690V)750A · 50m (690V)750A · 60m (690V)750A · 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)