425 Amp Cable Size at 150 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 425 A over 150 m (492.1 ft).
Copper Cable (≤3% Drop)10× 400 mm²Drop: 0.68V (2.84%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 11.25V (46.88%)
Voltage at Load23.3 VLine Loss: 289.9 W
Max Power & Breaker10.2 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 150m
| 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 | 1819.0 V (7579.17%) | 0.0 V | 3000.5 V (12502.08%) | 773075.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1091.4 V (4547.5%) | 0.0 V | 1800.3 V (7501.25%) | 463845.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 682.12 V (2842.19%) | 0.0 V | 1125.19 V (4688.28%) | 289903.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 454.75 V (1894.79%) | 0.0 V | 750.12 V (3125.52%) | 193268.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 272.85 V (1136.88%) | 0.0 V | 450.07 V (1875.31%) | 115961.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 170.53 V (710.55%) | 0.0 V | 281.3 V (1172.07%) | 72475.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 109.14 V (454.75%) | 0.0 V | 180.03 V (750.12%) | 46384.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 77.96 V (324.82%) | 0.0 V | 128.59 V (535.8%) | 33131.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 54.57 V (227.37%) | 0.0 V | 90.02 V (375.06%) | 23192.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 38.98 V (162.41%) | 0.0 V | 64.3 V (267.9%) | 16565.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 28.72 V (119.67%) | 0.0 V | 47.38 V (197.4%) | 12206.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 22.74 V (94.74%) | 1.3 V | 37.51 V (156.28%) | 9663.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 18.19 V (75.79%) | 5.8 V | 30.0 V (125.02%) | 7730.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 14.75 V (61.45%) | 9.3 V | 24.33 V (101.37%) | 6268.2 W | Drop High |
| 240 mm² | 415 A | 324 A | 11.37 V (47.37%) | 12.6 V | 18.75 V (78.14%) | 4831.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 9.09 V (37.9%) | 14.9 V | 15.0 V (62.51%) | 3865.4 W | Drop High |
| 400 mm² | 570 A | 445 A | 6.82 V (28.42%) | 17.2 V | 11.25 V (46.88%) | 2899.0 W | Drop High |
FAQ — 425 Amp Cable Size at 150 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 425A at 150 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10× 400 mm² copper cable for 425A over 150m at 24V (voltage drop: 0.68V or 2.84%).
What is the power capacity of 425A at 24V?
At unity power factor, 425A at 24V supports 10.2 kW with a standard 450A circuit breaker.
Related Lengths & Currents (24V)
425A · 5m (24V)425A · 10m (24V)425A · 15m (24V)425A · 20m (24V)425A · 25m (24V)425A · 30m (24V)425A · 35m (24V)425A · 40m (24V)425A · 45m (24V)425A · 50m (24V)425A · 60m (24V)425A · 70m (24V)10A · 150m (24V)16A · 150m (24V)20A · 150m (24V)25A · 150m (24V)32A · 150m (24V)40A · 150m (24V)50A · 150m (24V)63A · 150m (24V)80A · 150m (24V)100A · 150m (24V)125A · 150m (24V)160A · 150m (24V)200A · 150m (24V)