700 Amp Cable Size at 70 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 70 m (229.7 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 2.62V (1.14%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.65V (3.76%)
Voltage at Load227.4 VLine Loss: 1835.0 W
Max Power & Breaker161.0 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 70m
| 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 | 1398.13 V (607.88%) | 0.0 V | 2306.27 V (1002.72%) | 978693.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 838.88 V (364.73%) | 0.0 V | 1383.76 V (601.63%) | 587216.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 524.3 V (227.96%) | 0.0 V | 864.85 V (376.02%) | 367010.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 349.53 V (151.97%) | 0.0 V | 576.57 V (250.68%) | 244673.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 209.72 V (91.18%) | 20.3 V | 345.94 V (150.41%) | 146804.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 131.07 V (56.99%) | 98.9 V | 216.21 V (94.01%) | 91752.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 83.89 V (36.47%) | 146.1 V | 138.38 V (60.16%) | 58721.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 59.92 V (26.05%) | 170.1 V | 98.84 V (42.97%) | 41944.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 41.94 V (18.24%) | 188.1 V | 69.19 V (30.08%) | 29360.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 29.96 V (13.03%) | 200.0 V | 49.42 V (21.49%) | 20972.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 22.08 V (9.6%) | 207.9 V | 36.41 V (15.83%) | 15453.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 17.48 V (7.6%) | 212.5 V | 28.83 V (12.53%) | 12233.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 13.98 V (6.08%) | 216.0 V | 23.06 V (10.03%) | 9786.9 W | Drop High |
| 185 mm² | 353 A | 275 A | 11.34 V (4.93%) | 218.7 V | 18.7 V (8.13%) | 7935.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.74 V (3.8%) | 221.3 V | 14.41 V (6.27%) | 6116.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.99 V (3.04%) | 223.0 V | 11.53 V (5.01%) | 4893.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.24 V (2.28%) | 224.8 V | 8.65 V (3.76%) | 3670.1 W | Drop High |
FAQ — 700 Amp Cable Size at 70 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 700A at 70 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 700A over 70m at 230V (voltage drop: 2.62V or 1.14%).
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)10A · 70m (230V)16A · 70m (230V)20A · 70m (230V)25A · 70m (230V)32A · 70m (230V)40A · 70m (230V)50A · 70m (230V)63A · 70m (230V)80A · 70m (230V)100A · 70m (230V)125A · 70m (230V)160A · 70m (230V)200A · 70m (230V)