375 Amp Cable Size at 5 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 5 m (16.4 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 0.33V (1.39%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.33V (1.38%)
Voltage at Load23.7 VLine Loss: 125.4 W
Max Power & Breaker9.0 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 5m
| 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 | 53.5 V (222.92%) | 0.0 V | 88.25 V (367.71%) | 20062.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 32.1 V (133.75%) | 0.0 V | 52.95 V (220.62%) | 12037.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 20.06 V (83.59%) | 3.9 V | 33.09 V (137.89%) | 7523.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 13.38 V (55.73%) | 10.6 V | 22.06 V (91.93%) | 5015.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 8.03 V (33.44%) | 16.0 V | 13.24 V (55.16%) | 3009.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 5.02 V (20.9%) | 19.0 V | 8.27 V (34.47%) | 1880.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 3.21 V (13.38%) | 20.8 V | 5.29 V (22.06%) | 1203.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 2.29 V (9.55%) | 21.7 V | 3.78 V (15.76%) | 859.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.6 V (6.69%) | 22.4 V | 2.65 V (11.03%) | 601.9 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.15 V (4.78%) | 22.9 V | 1.89 V (7.88%) | 429.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 0.84 V (3.52%) | 23.2 V | 1.39 V (5.81%) | 316.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 0.67 V (2.79%) | 23.3 V | 1.1 V (4.6%) | 250.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.53 V (2.23%) | 23.5 V | 0.88 V (3.68%) | 200.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.43 V (1.81%) | 23.6 V | 0.72 V (2.98%) | 162.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.33 V (1.39%) | 23.7 V | 0.55 V (2.3%) | 125.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.27 V (1.11%) | 23.7 V | 0.44 V (1.84%) | 100.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.2 V (0.84%) | 23.8 V | 0.33 V (1.38%) | 75.2 W | ✓ OK (≤3%) |
FAQ — 375 Amp Cable Size at 5 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 375A at 5 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 5m at 24V (voltage drop: 0.33V or 1.39%).
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 · 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 · 5m (24V)16A · 5m (24V)20A · 5m (24V)25A · 5m (24V)32A · 5m (24V)40A · 5m (24V)50A · 5m (24V)63A · 5m (24V)80A · 5m (24V)100A · 5m (24V)125A · 5m (24V)160A · 5m (24V)200A · 5m (24V)