800 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 800 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 14.83V (2.15%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 73.37V (10.63%)
Voltage at Load675.2 VLine Loss: 20544.0 W
Max Power & Breaker956.09 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A 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 | 11861.08 V (1719.0%) | 0.0 V | 19565.25 V (2835.54%) | 16435200.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 7116.65 V (1031.4%) | 0.0 V | 11739.15 V (1701.33%) | 9861120.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4447.91 V (644.62%) | 0.0 V | 7336.97 V (1063.33%) | 6163200.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2965.27 V (429.75%) | 0.0 V | 4891.31 V (708.89%) | 4108800.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1779.16 V (257.85%) | 0.0 V | 2934.79 V (425.33%) | 2465280.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1111.98 V (161.16%) | 0.0 V | 1834.24 V (265.83%) | 1540800.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 711.67 V (103.14%) | 0.0 V | 1173.91 V (170.13%) | 986112.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 508.33 V (73.67%) | 181.7 V | 838.51 V (121.52%) | 704365.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 355.83 V (51.57%) | 334.2 V | 586.96 V (85.07%) | 493056.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 254.17 V (36.84%) | 435.8 V | 419.26 V (60.76%) | 352182.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 187.28 V (27.14%) | 502.7 V | 308.92 V (44.77%) | 259503.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 148.26 V (21.49%) | 541.7 V | 244.57 V (35.44%) | 205440.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 118.61 V (17.19%) | 571.4 V | 195.65 V (28.36%) | 164352.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 96.17 V (13.94%) | 593.8 V | 158.64 V (22.99%) | 133258.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 74.13 V (10.74%) | 615.9 V | 122.28 V (17.72%) | 102720.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 59.31 V (8.59%) | 630.7 V | 97.83 V (14.18%) | 82176.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 44.48 V (6.45%) | 645.5 V | 73.37 V (10.63%) | 61632.0 W | Drop High |
FAQ — 800 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 800A 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 800A over 600m at 690V (voltage drop: 14.83V or 2.15%).
What is the power capacity of 800A at 690V?
At unity power factor, 800A at 690V supports 956.09 kW with a standard 800A circuit breaker.
Related Lengths & Currents (690V)
800A · 5m (690V)800A · 10m (690V)800A · 15m (690V)800A · 20m (690V)800A · 25m (690V)800A · 30m (690V)800A · 35m (690V)800A · 40m (690V)800A · 45m (690V)800A · 50m (690V)800A · 60m (690V)800A · 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)