450 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 450 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)12× 400 mm²Drop: 0.7V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 13.9V (57.91%)
Voltage at Load23.3 VLine Loss: 316.0 W
Max Power & Breaker10.8 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A 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 | 2247.0 V (9362.5%) | 0.0 V | 3706.5 V (15443.75%) | 1011150.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1348.2 V (5617.5%) | 0.0 V | 2223.9 V (9266.25%) | 606690.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 842.62 V (3510.94%) | 0.0 V | 1389.94 V (5791.41%) | 379181.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 561.75 V (2340.62%) | 0.0 V | 926.62 V (3860.94%) | 252787.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 337.05 V (1404.37%) | 0.0 V | 555.97 V (2316.56%) | 151672.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 210.66 V (877.73%) | 0.0 V | 347.48 V (1447.85%) | 94795.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 134.82 V (561.75%) | 0.0 V | 222.39 V (926.62%) | 60669.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 96.3 V (401.25%) | 0.0 V | 158.85 V (661.88%) | 43335.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 67.41 V (280.88%) | 0.0 V | 111.19 V (463.31%) | 30334.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 48.15 V (200.62%) | 0.0 V | 79.42 V (330.94%) | 21667.5 W | Drop High |
| 95 mm² | 232 A | 181 A | 35.48 V (147.83%) | 0.0 V | 58.52 V (243.85%) | 15965.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 28.09 V (117.03%) | 0.0 V | 46.33 V (193.05%) | 12639.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 22.47 V (93.62%) | 1.5 V | 37.06 V (154.44%) | 10111.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 18.22 V (75.91%) | 5.8 V | 30.05 V (125.22%) | 8198.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 14.04 V (58.52%) | 10.0 V | 23.17 V (96.52%) | 6319.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 11.23 V (46.81%) | 12.8 V | 18.53 V (77.22%) | 5055.8 W | Drop High |
| 400 mm² | 570 A | 445 A | 8.43 V (35.11%) | 15.6 V | 13.9 V (57.91%) | 3791.8 W | Drop High |
FAQ — 450 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 450A at 175 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 12× 400 mm² copper cable for 450A over 175m at 24V (voltage drop: 0.7V or 2.93%).
What is the power capacity of 450A at 24V?
At unity power factor, 450A at 24V supports 10.8 kW with a standard 450A circuit breaker.
Related Lengths & Currents (24V)
450A · 5m (24V)450A · 10m (24V)450A · 15m (24V)450A · 20m (24V)450A · 25m (24V)450A · 30m (24V)450A · 35m (24V)450A · 40m (24V)450A · 45m (24V)450A · 50m (24V)450A · 60m (24V)450A · 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)