375 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 375 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)10× 400 mm²Drop: 0.7V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 11.58V (48.26%)
Voltage at Load23.3 VLine Loss: 263.3 W
Max Power & Breaker9.0 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A 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 | 1872.5 V (7802.08%) | 0.0 V | 3088.75 V (12869.79%) | 702187.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1123.5 V (4681.25%) | 0.0 V | 1853.25 V (7721.87%) | 421312.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 702.19 V (2925.78%) | 0.0 V | 1158.28 V (4826.17%) | 263320.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 468.12 V (1950.52%) | 0.0 V | 772.19 V (3217.45%) | 175546.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 280.87 V (1170.31%) | 0.0 V | 463.31 V (1930.47%) | 105328.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 175.55 V (731.45%) | 0.0 V | 289.57 V (1206.54%) | 65830.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 112.35 V (468.12%) | 0.0 V | 185.32 V (772.19%) | 42131.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 80.25 V (334.37%) | 0.0 V | 132.38 V (551.56%) | 30093.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 56.17 V (234.06%) | 0.0 V | 92.66 V (386.09%) | 21065.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 40.12 V (167.19%) | 0.0 V | 66.19 V (275.78%) | 15046.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 29.57 V (123.19%) | 0.0 V | 48.77 V (203.21%) | 11087.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 23.41 V (97.53%) | 0.6 V | 38.61 V (160.87%) | 8777.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 18.72 V (78.02%) | 5.3 V | 30.89 V (128.7%) | 7021.9 W | Drop High |
| 185 mm² | 353 A | 275 A | 15.18 V (63.26%) | 8.8 V | 25.04 V (104.35%) | 5693.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 11.7 V (48.76%) | 12.3 V | 19.3 V (80.44%) | 4388.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 9.36 V (39.01%) | 14.6 V | 15.44 V (64.35%) | 3510.9 W | Drop High |
| 400 mm² | 570 A | 445 A | 7.02 V (29.26%) | 17.0 V | 11.58 V (48.26%) | 2633.2 W | Drop High |
FAQ — 375 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 375A at 175 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10× 400 mm² copper cable for 375A over 175m at 24V (voltage drop: 0.7V or 2.93%).
What is the power capacity of 375A at 24V?
At unity power factor, 375A at 24V supports 9.0 kW with a standard 400A circuit breaker.
Related Lengths & Currents (24V)
375A · 5m (24V)375A · 10m (24V)375A · 15m (24V)375A · 20m (24V)375A · 25m (24V)375A · 30m (24V)375A · 35m (24V)375A · 40m (24V)375A · 45m (24V)375A · 50m (24V)375A · 60m (24V)375A · 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)