700 Amp Cable Size at 25 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 25 m (82.0 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.81V (0.2%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.67V (0.67%)
Voltage at Load399.2 VLine Loss: 983.0 W
Max Power & Breaker484.97 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 25m
| 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 | 432.44 V (108.11%) | 0.0 V | 713.32 V (178.33%) | 524300.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 259.46 V (64.87%) | 140.5 V | 427.99 V (107.0%) | 314580.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 162.16 V (40.54%) | 237.8 V | 267.49 V (66.87%) | 196612.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 108.11 V (27.03%) | 291.9 V | 178.33 V (44.58%) | 131075.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 64.87 V (16.22%) | 335.1 V | 107.0 V (26.75%) | 78645.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 40.54 V (10.14%) | 359.5 V | 66.87 V (16.72%) | 49153.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 25.95 V (6.49%) | 374.1 V | 42.8 V (10.7%) | 31458.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 18.53 V (4.63%) | 381.5 V | 30.57 V (7.64%) | 22470.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 12.97 V (3.24%) | 387.0 V | 21.4 V (5.35%) | 15729.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 9.27 V (2.32%) | 390.7 V | 15.29 V (3.82%) | 11235.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 6.83 V (1.71%) | 393.2 V | 11.26 V (2.82%) | 8278.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 5.41 V (1.35%) | 394.6 V | 8.92 V (2.23%) | 6553.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 4.32 V (1.08%) | 395.7 V | 7.13 V (1.78%) | 5243.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 3.51 V (0.88%) | 396.5 V | 5.78 V (1.45%) | 4251.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.7 V (0.68%) | 397.3 V | 4.46 V (1.11%) | 3276.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 2.16 V (0.54%) | 397.8 V | 3.57 V (0.89%) | 2621.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 1.62 V (0.41%) | 398.4 V | 2.67 V (0.67%) | 1966.1 W | Drop High |
FAQ — 700 Amp Cable Size at 25 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 700A at 25 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 700A over 25m at 400V (voltage drop: 0.81V or 0.2%).
What is the power capacity of 700A at 400V?
At unity power factor, 700A at 400V supports 484.97 kW with a standard 700A circuit breaker.
Related Lengths & Currents (400V)
700A · 5m (400V)700A · 10m (400V)700A · 15m (400V)700A · 20m (400V)700A · 30m (400V)700A · 35m (400V)700A · 40m (400V)700A · 45m (400V)700A · 50m (400V)700A · 60m (400V)700A · 70m (400V)10A · 25m (400V)16A · 25m (400V)20A · 25m (400V)25A · 25m (400V)32A · 25m (400V)40A · 25m (400V)50A · 25m (400V)63A · 25m (400V)80A · 25m (400V)100A · 25m (400V)125A · 25m (400V)160A · 25m (400V)200A · 25m (400V)