800 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 800 A over 250 m (820.2 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 5.35V (2.33%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 35.3V (15.35%)
Voltage at Load224.7 VLine Loss: 4280.0 W
Max Power & Breaker184.0 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A 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 | 5706.67 V (2481.16%) | 0.0 V | 9413.33 V (4092.75%) | 4565333.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3424.0 V (1488.7%) | 0.0 V | 5648.0 V (2455.65%) | 2739200.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2140.0 V (930.43%) | 0.0 V | 3530.0 V (1534.78%) | 1712000.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1426.67 V (620.29%) | 0.0 V | 2353.33 V (1023.19%) | 1141333.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 856.0 V (372.17%) | 0.0 V | 1412.0 V (613.91%) | 684800.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 535.0 V (232.61%) | 0.0 V | 882.5 V (383.7%) | 428000.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 342.4 V (148.87%) | 0.0 V | 564.8 V (245.57%) | 273920.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 244.57 V (106.34%) | 0.0 V | 403.43 V (175.4%) | 195657.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 171.2 V (74.43%) | 58.8 V | 282.4 V (122.78%) | 136960.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 122.29 V (53.17%) | 107.7 V | 201.71 V (87.7%) | 97828.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 90.11 V (39.18%) | 139.9 V | 148.63 V (64.62%) | 72084.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 71.33 V (31.01%) | 158.7 V | 117.67 V (51.16%) | 57066.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 57.07 V (24.81%) | 172.9 V | 94.13 V (40.93%) | 45653.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 46.27 V (20.12%) | 183.7 V | 76.32 V (33.18%) | 37016.2 W | Drop High |
| 240 mm² | 415 A | 324 A | 35.67 V (15.51%) | 194.3 V | 58.83 V (25.58%) | 28533.3 W | Drop High |
| 300 mm² | 477 A | 372 A | 28.53 V (12.41%) | 201.5 V | 47.07 V (20.46%) | 22826.7 W | Drop High |
| 400 mm² | 570 A | 445 A | 21.4 V (9.3%) | 208.6 V | 35.3 V (15.35%) | 17120.0 W | Drop High |
FAQ — 800 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 800A at 250 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 800A over 250m at 230V (voltage drop: 5.35V or 2.33%).
What is the power capacity of 800A at 230V?
At unity power factor, 800A at 230V supports 184.0 kW with a standard 800A circuit breaker.
Related Lengths & Currents (230V)
800A · 5m (230V)800A · 10m (230V)800A · 15m (230V)800A · 20m (230V)800A · 25m (230V)800A · 30m (230V)800A · 35m (230V)800A · 40m (230V)800A · 45m (230V)800A · 50m (230V)800A · 60m (230V)800A · 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)