475 Amp Cable Size at 100 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 100 m (328.1 ft).
Copper Cable (≤3% Drop)8× 400 mm²Drop: 0.64V (2.65%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.38V (34.93%)
Voltage at Load23.4 VLine Loss: 301.8 W
Max Power & Breaker11.4 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 100m
| 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 | 1355.33 V (5647.22%) | 0.0 V | 2235.67 V (9315.28%) | 643783.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 813.2 V (3388.33%) | 0.0 V | 1341.4 V (5589.17%) | 386270.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 508.25 V (2117.71%) | 0.0 V | 838.38 V (3493.23%) | 241418.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 338.83 V (1411.81%) | 0.0 V | 558.92 V (2328.82%) | 160945.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 203.3 V (847.08%) | 0.0 V | 335.35 V (1397.29%) | 96567.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 127.06 V (529.43%) | 0.0 V | 209.59 V (873.31%) | 60354.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 81.32 V (338.83%) | 0.0 V | 134.14 V (558.92%) | 38627.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 58.09 V (242.02%) | 0.0 V | 95.81 V (399.23%) | 27590.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 40.66 V (169.42%) | 0.0 V | 67.07 V (279.46%) | 19313.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 29.04 V (121.01%) | 0.0 V | 47.91 V (199.61%) | 13795.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 21.4 V (89.17%) | 2.6 V | 35.3 V (147.08%) | 10165.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.94 V (70.59%) | 7.1 V | 27.95 V (116.44%) | 8047.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 13.55 V (56.47%) | 10.4 V | 22.36 V (93.15%) | 6437.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.99 V (45.79%) | 13.0 V | 18.13 V (75.53%) | 5219.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.47 V (35.3%) | 15.5 V | 13.97 V (58.22%) | 4023.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.78 V (28.24%) | 17.2 V | 11.18 V (46.58%) | 3218.9 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.08 V (21.18%) | 18.9 V | 8.38 V (34.93%) | 2414.2 W | Drop High |
FAQ — 475 Amp Cable Size at 100 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 475A at 100 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 8× 400 mm² copper cable for 475A over 100m at 24V (voltage drop: 0.64V or 2.65%).
What is the power capacity of 475A at 24V?
At unity power factor, 475A at 24V supports 11.4 kW with a standard 500A circuit breaker.
Related Lengths & Currents (24V)
475A · 5m (24V)475A · 10m (24V)475A · 15m (24V)475A · 20m (24V)475A · 25m (24V)475A · 30m (24V)475A · 35m (24V)475A · 40m (24V)475A · 45m (24V)475A · 50m (24V)475A · 60m (24V)475A · 70m (24V)10A · 100m (24V)16A · 100m (24V)20A · 100m (24V)25A · 100m (24V)32A · 100m (24V)40A · 100m (24V)50A · 100m (24V)63A · 100m (24V)80A · 100m (24V)100A · 100m (24V)125A · 100m (24V)160A · 100m (24V)200A · 100m (24V)