425 Amp Cable Size at 10 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 10 m (32.8 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 0.61V (2.53%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.75V (3.13%)
Voltage at Load23.4 VLine Loss: 257.7 W
Max Power & Breaker10.2 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 10m
| 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 | 121.27 V (505.28%) | 0.0 V | 200.03 V (833.47%) | 51538.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 72.76 V (303.17%) | 0.0 V | 120.02 V (500.08%) | 30923.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 45.48 V (189.48%) | 0.0 V | 75.01 V (312.55%) | 19326.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 30.32 V (126.32%) | 0.0 V | 50.01 V (208.37%) | 12884.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 18.19 V (75.79%) | 5.8 V | 30.0 V (125.02%) | 7730.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 11.37 V (47.37%) | 12.6 V | 18.75 V (78.14%) | 4831.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 7.28 V (30.32%) | 16.7 V | 12.0 V (50.01%) | 3092.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 5.2 V (21.65%) | 18.8 V | 8.57 V (35.72%) | 2208.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 3.64 V (15.16%) | 20.4 V | 6.0 V (25.0%) | 1546.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.6 V (10.83%) | 21.4 V | 4.29 V (17.86%) | 1104.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.91 V (7.98%) | 22.1 V | 3.16 V (13.16%) | 813.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.52 V (6.32%) | 22.5 V | 2.5 V (10.42%) | 644.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.21 V (5.05%) | 22.8 V | 2.0 V (8.33%) | 515.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.98 V (4.1%) | 23.0 V | 1.62 V (6.76%) | 417.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.76 V (3.16%) | 23.2 V | 1.25 V (5.21%) | 322.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.61 V (2.53%) | 23.4 V | 1.0 V (4.17%) | 257.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.45 V (1.89%) | 23.5 V | 0.75 V (3.13%) | 193.3 W | ✓ OK (≤3%) |
FAQ — 425 Amp Cable Size at 10 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 425A at 10 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 425A over 10m at 24V (voltage drop: 0.61V or 2.53%).
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 · 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 · 10m (24V)16A · 10m (24V)20A · 10m (24V)25A · 10m (24V)32A · 10m (24V)40A · 10m (24V)50A · 10m (24V)63A · 10m (24V)80A · 10m (24V)100A · 10m (24V)125A · 10m (24V)160A · 10m (24V)200A · 10m (24V)