375 Amp Cable Size at 35 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 35 m (114.8 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.7V (2.92%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.32V (9.65%)
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 35m
| 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 | 374.5 V (1560.42%) | 0.0 V | 617.75 V (2573.96%) | 140437.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 224.7 V (936.25%) | 0.0 V | 370.65 V (1544.38%) | 84262.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 140.44 V (585.16%) | 0.0 V | 231.66 V (965.23%) | 52664.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 93.62 V (390.1%) | 0.0 V | 154.44 V (643.49%) | 35109.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 56.17 V (234.06%) | 0.0 V | 92.66 V (386.09%) | 21065.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 35.11 V (146.29%) | 0.0 V | 57.91 V (241.31%) | 13166.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 22.47 V (93.62%) | 1.5 V | 37.06 V (154.44%) | 8426.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 16.05 V (66.88%) | 7.9 V | 26.47 V (110.31%) | 6018.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 11.23 V (46.81%) | 12.8 V | 18.53 V (77.22%) | 4213.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 8.03 V (33.44%) | 16.0 V | 13.24 V (55.16%) | 3009.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.91 V (24.64%) | 18.1 V | 9.75 V (40.64%) | 2217.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.68 V (19.51%) | 19.3 V | 7.72 V (32.17%) | 1755.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.74 V (15.6%) | 20.3 V | 6.18 V (25.74%) | 1404.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 3.04 V (12.65%) | 21.0 V | 5.01 V (20.87%) | 1138.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.34 V (9.75%) | 21.7 V | 3.86 V (16.09%) | 877.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.87 V (7.8%) | 22.1 V | 3.09 V (12.87%) | 702.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 1.4 V (5.85%) | 22.6 V | 2.32 V (9.65%) | 526.6 W | Drop High |
FAQ — 375 Amp Cable Size at 35 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 375A at 35 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 375A over 35m at 24V (voltage drop: 0.7V or 2.92%).
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 · 40m (24V)375A · 45m (24V)375A · 50m (24V)375A · 60m (24V)375A · 70m (24V)10A · 35m (24V)16A · 35m (24V)20A · 35m (24V)25A · 35m (24V)32A · 35m (24V)40A · 35m (24V)50A · 35m (24V)63A · 35m (24V)80A · 35m (24V)100A · 35m (24V)125A · 35m (24V)160A · 35m (24V)200A · 35m (24V)