1000 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 1000 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 15.44V (2.24%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 76.43V (11.08%)
Voltage at Load674.6 VLine Loss: 26750.0 W
Max Power & Breaker1195.12 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 1000A 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 | 12355.3 V (1790.62%) | 0.0 V | 20380.46 V (2953.69%) | 21400000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 7413.18 V (1074.37%) | 0.0 V | 12228.28 V (1772.21%) | 12840000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4633.24 V (671.48%) | 0.0 V | 7642.67 V (1107.63%) | 8025000.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 3088.82 V (447.66%) | 0.0 V | 5095.12 V (738.42%) | 5350000.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1853.29 V (268.59%) | 0.0 V | 3057.07 V (443.05%) | 3210000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1158.31 V (167.87%) | 0.0 V | 1910.67 V (276.91%) | 2006250.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 741.32 V (107.44%) | 0.0 V | 1222.83 V (177.22%) | 1284000.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 529.51 V (76.74%) | 160.5 V | 873.45 V (126.59%) | 917142.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 370.66 V (53.72%) | 319.3 V | 611.41 V (88.61%) | 642000.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 264.76 V (38.37%) | 425.2 V | 436.72 V (63.29%) | 458571.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 195.08 V (28.27%) | 494.9 V | 321.8 V (46.64%) | 337894.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 154.44 V (22.38%) | 535.6 V | 254.76 V (36.92%) | 267500.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 123.55 V (17.91%) | 566.4 V | 203.8 V (29.54%) | 214000.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 100.18 V (14.52%) | 589.8 V | 165.25 V (23.95%) | 173513.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 77.22 V (11.19%) | 612.8 V | 127.38 V (18.46%) | 133750.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 61.78 V (8.95%) | 628.2 V | 101.9 V (14.77%) | 107000.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 46.33 V (6.71%) | 643.7 V | 76.43 V (11.08%) | 80250.0 W | Drop High |
FAQ — 1000 Amp Cable Size at 500 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 1000A at 500 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 1000A over 500m at 690V (voltage drop: 15.44V or 2.24%).
What is the power capacity of 1000A at 690V?
At unity power factor, 1000A at 690V supports 1195.12 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (690V)
1000A · 5m (690V)1000A · 10m (690V)1000A · 15m (690V)1000A · 20m (690V)1000A · 25m (690V)1000A · 30m (690V)1000A · 35m (690V)1000A · 40m (690V)1000A · 45m (690V)1000A · 50m (690V)1000A · 60m (690V)1000A · 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)