175 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 175 A over 250 m (820.2 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 6.24V (2.71%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.72V (3.36%)
Voltage at Load223.8 VLine Loss: 1092.3 W
Max Power & Breaker40.25 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A 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 | 1248.33 V (542.75%) | 0.0 V | 2059.17 V (895.29%) | 218458.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 749.0 V (325.65%) | 0.0 V | 1235.5 V (537.17%) | 131075.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 468.12 V (203.53%) | 0.0 V | 772.19 V (335.73%) | 81921.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 312.08 V (135.69%) | 0.0 V | 514.79 V (223.82%) | 54614.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 187.25 V (81.41%) | 42.8 V | 308.88 V (134.29%) | 32768.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 117.03 V (50.88%) | 113.0 V | 193.05 V (83.93%) | 20480.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 74.9 V (32.57%) | 155.1 V | 123.55 V (53.72%) | 13107.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 53.5 V (23.26%) | 176.5 V | 88.25 V (38.37%) | 9362.5 W | Drop High |
| 50 mm² | 151 A | 118 A | 37.45 V (16.28%) | 192.6 V | 61.77 V (26.86%) | 6553.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 26.75 V (11.63%) | 203.2 V | 44.12 V (19.18%) | 4681.2 W | Drop High |
| 95 mm² | 232 A | 181 A | 19.71 V (8.57%) | 210.3 V | 32.51 V (14.14%) | 3449.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 15.6 V (6.78%) | 214.4 V | 25.74 V (11.19%) | 2730.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.48 V (5.43%) | 217.5 V | 20.59 V (8.95%) | 2184.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.12 V (4.4%) | 219.9 V | 16.7 V (7.26%) | 1771.3 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 7.8 V (3.39%) | 222.2 V | 12.87 V (5.6%) | 1365.4 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 6.24 V (2.71%) | 223.8 V | 10.3 V (4.48%) | 1092.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 4.68 V (2.04%) | 225.3 V | 7.72 V (3.36%) | 819.2 W | ✓ OK (≤3%) |
FAQ — 175 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 175A at 250 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 175A over 250m at 230V (voltage drop: 6.24V or 2.71%).
What is the power capacity of 175A at 230V?
At unity power factor, 175A at 230V supports 40.25 kW with a standard 175A circuit breaker.
Related Lengths & Currents (230V)
175A · 5m (230V)175A · 10m (230V)175A · 15m (230V)175A · 20m (230V)175A · 25m (230V)175A · 30m (230V)175A · 35m (230V)175A · 40m (230V)175A · 45m (230V)175A · 50m (230V)175A · 60m (230V)175A · 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)