700 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 10.81V (2.61%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 53.5V (12.89%)
Voltage at Load404.2 VLine Loss: 13107.5 W
Max Power & Breaker503.16 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A 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 | 8648.71 V (2084.03%) | 0.0 V | 14266.33 V (3437.67%) | 10486000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 5189.22 V (1250.42%) | 0.0 V | 8559.8 V (2062.6%) | 6291600.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 3243.27 V (781.51%) | 0.0 V | 5349.87 V (1289.13%) | 3932250.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2162.18 V (521.01%) | 0.0 V | 3566.58 V (859.42%) | 2621500.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1297.31 V (312.6%) | 0.0 V | 2139.95 V (515.65%) | 1572900.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 810.82 V (195.38%) | 0.0 V | 1337.47 V (322.28%) | 983062.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 518.92 V (125.04%) | 0.0 V | 855.98 V (206.26%) | 629160.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 370.66 V (89.32%) | 44.3 V | 611.41 V (147.33%) | 449400.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 259.46 V (62.52%) | 155.5 V | 427.99 V (103.13%) | 314580.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 185.33 V (44.66%) | 229.7 V | 305.71 V (73.66%) | 224700.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 136.56 V (32.91%) | 278.4 V | 225.26 V (54.28%) | 165568.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 108.11 V (26.05%) | 306.9 V | 178.33 V (42.97%) | 131075.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 86.49 V (20.84%) | 328.5 V | 142.66 V (34.38%) | 104860.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 70.12 V (16.9%) | 344.9 V | 115.67 V (27.87%) | 85021.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 54.05 V (13.03%) | 360.9 V | 89.16 V (21.49%) | 65537.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 43.24 V (10.42%) | 371.8 V | 71.33 V (17.19%) | 52430.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 32.43 V (7.82%) | 382.6 V | 53.5 V (12.89%) | 39322.5 W | Drop High |
FAQ — 700 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 700A at 500 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 700A over 500m at 415V (voltage drop: 10.81V or 2.61%).
What is the power capacity of 700A at 415V?
At unity power factor, 700A at 415V supports 503.16 kW with a standard 700A circuit breaker.
Related Lengths & Currents (415V)
700A · 5m (415V)700A · 10m (415V)700A · 15m (415V)700A · 20m (415V)700A · 25m (415V)700A · 30m (415V)700A · 35m (415V)700A · 40m (415V)700A · 45m (415V)700A · 50m (415V)700A · 60m (415V)700A · 70m (415V)10A · 500m (415V)16A · 500m (415V)20A · 500m (415V)25A · 500m (415V)32A · 500m (415V)40A · 500m (415V)50A · 500m (415V)63A · 500m (415V)80A · 500m (415V)100A · 500m (415V)125A · 500m (415V)160A · 500m (415V)200A · 500m (415V)