375 Amp Cable Size at 200 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 200 m (656.2 ft).
Copper Cable (≤3% Drop)12× 400 mm²Drop: 0.67V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 13.24V (55.16%)
Voltage at Load23.3 VLine Loss: 250.8 W
Max Power & Breaker9.0 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 200m
| 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 | 2140.0 V (8916.67%) | 0.0 V | 3530.0 V (14708.33%) | 802500.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1284.0 V (5350.0%) | 0.0 V | 2118.0 V (8825.0%) | 481500.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 802.5 V (3343.75%) | 0.0 V | 1323.75 V (5515.62%) | 300937.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 535.0 V (2229.17%) | 0.0 V | 882.5 V (3677.08%) | 200625.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 321.0 V (1337.5%) | 0.0 V | 529.5 V (2206.25%) | 120375.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 200.62 V (835.94%) | 0.0 V | 330.94 V (1378.91%) | 75234.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 128.4 V (535.0%) | 0.0 V | 211.8 V (882.5%) | 48150.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 91.71 V (382.14%) | 0.0 V | 151.29 V (630.36%) | 34392.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 64.2 V (267.5%) | 0.0 V | 105.9 V (441.25%) | 24075.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 45.86 V (191.07%) | 0.0 V | 75.64 V (315.18%) | 17196.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 33.79 V (140.79%) | 0.0 V | 55.74 V (232.24%) | 12671.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 26.75 V (111.46%) | 0.0 V | 44.12 V (183.85%) | 10031.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 21.4 V (89.17%) | 2.6 V | 35.3 V (147.08%) | 8025.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 17.35 V (72.3%) | 6.6 V | 28.62 V (119.26%) | 6506.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 13.37 V (55.73%) | 10.6 V | 22.06 V (91.93%) | 5015.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 10.7 V (44.58%) | 13.3 V | 17.65 V (73.54%) | 4012.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 8.02 V (33.44%) | 16.0 V | 13.24 V (55.16%) | 3009.4 W | Drop High |
FAQ — 375 Amp Cable Size at 200 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 375A at 200 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 12× 400 mm² copper cable for 375A over 200m at 24V (voltage drop: 0.67V or 2.79%).
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 · 200m (24V)16A · 200m (24V)20A · 200m (24V)25A · 200m (24V)32A · 200m (24V)40A · 200m (24V)50A · 200m (24V)63A · 200m (24V)80A · 200m (24V)100A · 200m (24V)125A · 200m (24V)160A · 200m (24V)200A · 200m (24V)