425 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))
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 (0.26%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.75V (0.33%)
Voltage at Load229.4 VLine Loss: 257.7 W
Max Power & Breaker97.75 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 (52.72%) | 108.7 V | 200.03 V (86.97%) | 51538.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 72.76 V (31.63%) | 157.2 V | 120.02 V (52.18%) | 30923.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 45.48 V (19.77%) | 184.5 V | 75.01 V (32.61%) | 19326.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 30.32 V (13.18%) | 199.7 V | 50.01 V (21.74%) | 12884.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 18.19 V (7.91%) | 211.8 V | 30.0 V (13.05%) | 7730.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 11.37 V (4.94%) | 218.6 V | 18.75 V (8.15%) | 4831.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 7.28 V (3.16%) | 222.7 V | 12.0 V (5.22%) | 3092.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 5.2 V (2.26%) | 224.8 V | 8.57 V (3.73%) | 2208.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 3.64 V (1.58%) | 226.4 V | 6.0 V (2.61%) | 1546.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.6 V (1.13%) | 227.4 V | 4.29 V (1.86%) | 1104.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.91 V (0.83%) | 228.1 V | 3.16 V (1.37%) | 813.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.52 V (0.66%) | 228.5 V | 2.5 V (1.09%) | 644.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.21 V (0.53%) | 228.8 V | 2.0 V (0.87%) | 515.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.98 V (0.43%) | 229.0 V | 1.62 V (0.71%) | 417.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.76 V (0.33%) | 229.2 V | 1.25 V (0.54%) | 322.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.61 V (0.26%) | 229.4 V | 1.0 V (0.43%) | 257.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.45 V (0.2%) | 229.5 V | 0.75 V (0.33%) | 193.3 W | ✓ OK (≤3%) |
FAQ — 425 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 425A at 10 meters (230V)?
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 230V (voltage drop: 0.61V or 0.26%).
What is the power capacity of 425A at 230V?
At unity power factor, 425A at 230V supports 97.75 kW with a standard 450A circuit breaker.
Related Lengths & Currents (230V)
425A · 5m (230V)425A · 15m (230V)425A · 20m (230V)425A · 25m (230V)425A · 30m (230V)425A · 35m (230V)425A · 40m (230V)425A · 45m (230V)425A · 50m (230V)425A · 60m (230V)425A · 70m (230V)10A · 10m (230V)16A · 10m (230V)20A · 10m (230V)25A · 10m (230V)32A · 10m (230V)40A · 10m (230V)50A · 10m (230V)63A · 10m (230V)80A · 10m (230V)100A · 10m (230V)125A · 10m (230V)160A · 10m (230V)200A · 10m (230V)