175 Amp Cable Size at 350 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 175 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)10× 400 mm²Drop: 0.66V (2.73%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.81V (45.04%)
Voltage at Load23.3 VLine Loss: 114.7 W
Max Power & Breaker4.2 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 350m
| 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 | 1747.67 V (7281.94%) | 0.0 V | 2882.83 V (12011.81%) | 305841.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1048.6 V (4369.17%) | 0.0 V | 1729.7 V (7207.08%) | 183505.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 655.37 V (2730.73%) | 0.0 V | 1081.06 V (4504.43%) | 114690.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 436.92 V (1820.49%) | 0.0 V | 720.71 V (3002.95%) | 76460.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 262.15 V (1092.29%) | 0.0 V | 432.42 V (1801.77%) | 45876.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 163.84 V (682.68%) | 0.0 V | 270.27 V (1126.11%) | 28672.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 104.86 V (436.92%) | 0.0 V | 172.97 V (720.71%) | 18350.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 74.9 V (312.08%) | 0.0 V | 123.55 V (514.79%) | 13107.5 W | Drop High |
| 50 mm² | 151 A | 118 A | 52.43 V (218.46%) | 0.0 V | 86.48 V (360.35%) | 9175.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 37.45 V (156.04%) | 0.0 V | 61.77 V (257.4%) | 6553.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 27.59 V (114.98%) | 0.0 V | 45.52 V (189.66%) | 4829.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 21.85 V (91.02%) | 2.2 V | 36.04 V (150.15%) | 3823.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 17.48 V (72.82%) | 6.5 V | 28.83 V (120.12%) | 3058.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 14.17 V (59.04%) | 9.8 V | 23.37 V (97.39%) | 2479.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 10.92 V (45.51%) | 13.1 V | 18.02 V (75.07%) | 1911.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 8.74 V (36.41%) | 15.3 V | 14.41 V (60.06%) | 1529.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 6.55 V (27.31%) | 17.4 V | 10.81 V (45.04%) | 1146.9 W | Drop High |
FAQ — 175 Amp Cable Size at 350 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 175A at 350 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10× 400 mm² copper cable for 175A over 350m at 24V (voltage drop: 0.66V or 2.73%).
What is the power capacity of 175A at 24V?
At unity power factor, 175A at 24V supports 4.2 kW with a standard 175A circuit breaker.
Related Lengths & Currents (24V)
175A · 5m (24V)175A · 10m (24V)175A · 15m (24V)175A · 20m (24V)175A · 25m (24V)175A · 30m (24V)175A · 35m (24V)175A · 40m (24V)175A · 45m (24V)175A · 50m (24V)175A · 60m (24V)175A · 70m (24V)10A · 350m (24V)16A · 350m (24V)20A · 350m (24V)25A · 350m (24V)32A · 350m (24V)40A · 350m (24V)50A · 350m (24V)63A · 350m (24V)80A · 350m (24V)100A · 350m (24V)125A · 350m (24V)160A · 350m (24V)200A · 350m (24V)