175 Amp Cable Size at 175 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 175 m (574.1 ft).
Copper Cable (≤3% Drop)5× 400 mm²Drop: 0.66V (2.73%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.41V (22.52%)
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 175m
| 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 | 873.83 V (3640.97%) | 0.0 V | 1441.42 V (6005.9%) | 152920.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 524.3 V (2184.58%) | 0.0 V | 864.85 V (3603.54%) | 91752.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 327.69 V (1365.36%) | 0.0 V | 540.53 V (2252.21%) | 57345.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 218.46 V (910.24%) | 0.0 V | 360.35 V (1501.48%) | 38230.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 131.07 V (546.15%) | 0.0 V | 216.21 V (900.89%) | 22938.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 81.92 V (341.34%) | 0.0 V | 135.13 V (563.05%) | 14336.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 52.43 V (218.46%) | 0.0 V | 86.48 V (360.35%) | 9175.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 37.45 V (156.04%) | 0.0 V | 61.77 V (257.4%) | 6553.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 26.21 V (109.23%) | 0.0 V | 43.24 V (180.18%) | 4587.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 18.72 V (78.02%) | 5.3 V | 30.89 V (128.7%) | 3276.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 13.8 V (57.49%) | 10.2 V | 22.76 V (94.83%) | 2414.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 10.92 V (45.51%) | 13.1 V | 18.02 V (75.07%) | 1911.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 8.74 V (36.41%) | 15.3 V | 14.41 V (60.06%) | 1529.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 7.09 V (29.52%) | 16.9 V | 11.69 V (48.7%) | 1239.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 5.46 V (22.76%) | 18.5 V | 9.01 V (37.54%) | 955.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 4.37 V (18.2%) | 19.6 V | 7.21 V (30.03%) | 764.6 W | Drop High |
| 400 mm² | 570 A | 445 A | 3.28 V (13.65%) | 20.7 V | 5.41 V (22.52%) | 573.5 W | Drop High |
FAQ — 175 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 175A at 175 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 5× 400 mm² copper cable for 175A over 175m 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 · 175m (24V)16A · 175m (24V)20A · 175m (24V)25A · 175m (24V)32A · 175m (24V)40A · 175m (24V)50A · 175m (24V)63A · 175m (24V)80A · 175m (24V)100A · 175m (24V)125A · 175m (24V)160A · 175m (24V)200A · 175m (24V)