700 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 250 m (820.2 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 6.24V (2.71%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 30.89V (13.43%)
Voltage at Load223.8 VLine Loss: 4369.2 W
Max Power & Breaker161.0 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 250m
| 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 | 4993.33 V (2171.01%) | 0.0 V | 8236.67 V (3581.16%) | 3495333.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 2996.0 V (1302.61%) | 0.0 V | 4942.0 V (2148.7%) | 2097200.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1872.5 V (814.13%) | 0.0 V | 3088.75 V (1342.93%) | 1310750.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1248.33 V (542.75%) | 0.0 V | 2059.17 V (895.29%) | 873833.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 749.0 V (325.65%) | 0.0 V | 1235.5 V (537.17%) | 524300.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 468.12 V (203.53%) | 0.0 V | 772.19 V (335.73%) | 327687.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 299.6 V (130.26%) | 0.0 V | 494.2 V (214.87%) | 209720.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 214.0 V (93.04%) | 16.0 V | 353.0 V (153.48%) | 149800.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 149.8 V (65.13%) | 80.2 V | 247.1 V (107.43%) | 104860.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 107.0 V (46.52%) | 123.0 V | 176.5 V (76.74%) | 74900.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 78.84 V (34.28%) | 151.2 V | 130.05 V (56.54%) | 55189.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 62.42 V (27.14%) | 167.6 V | 102.96 V (44.76%) | 43691.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 49.93 V (21.71%) | 180.1 V | 82.37 V (35.81%) | 34953.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 40.49 V (17.6%) | 189.5 V | 66.78 V (29.04%) | 28340.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 31.21 V (13.57%) | 198.8 V | 51.48 V (22.38%) | 21845.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 24.97 V (10.86%) | 205.0 V | 41.18 V (17.91%) | 17476.7 W | Drop High |
| 400 mm² | 570 A | 445 A | 18.72 V (8.14%) | 211.3 V | 30.89 V (13.43%) | 13107.5 W | Drop High |
FAQ — 700 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 700A at 250 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 700A over 250m at 230V (voltage drop: 6.24V or 2.71%).
What is the power capacity of 700A at 230V?
At unity power factor, 700A at 230V supports 161.0 kW with a standard 700A circuit breaker.
Related Lengths & Currents (230V)
700A · 5m (230V)700A · 10m (230V)700A · 15m (230V)700A · 20m (230V)700A · 25m (230V)700A · 30m (230V)700A · 35m (230V)700A · 40m (230V)700A · 45m (230V)700A · 50m (230V)700A · 60m (230V)700A · 70m (230V)10A · 250m (230V)16A · 250m (230V)20A · 250m (230V)25A · 250m (230V)32A · 250m (230V)40A · 250m (230V)50A · 250m (230V)63A · 250m (230V)80A · 250m (230V)100A · 250m (230V)125A · 250m (230V)160A · 250m (230V)200A · 250m (230V)