425 Amp Cable Size at 50 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 50 m (164.0 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 3.03V (1.32%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.75V (1.63%)
Voltage at Load227.0 VLine Loss: 1288.5 W
Max Power & Breaker97.75 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 50m
| 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 | 606.33 V (263.62%) | 0.0 V | 1000.17 V (434.86%) | 257691.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 363.8 V (158.17%) | 0.0 V | 600.1 V (260.91%) | 154615.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 227.37 V (98.86%) | 2.6 V | 375.06 V (163.07%) | 96634.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 151.58 V (65.91%) | 78.4 V | 250.04 V (108.71%) | 64422.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 90.95 V (39.54%) | 139.1 V | 150.03 V (65.23%) | 38653.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 56.84 V (24.71%) | 173.2 V | 93.77 V (40.77%) | 24158.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 36.38 V (15.82%) | 193.6 V | 60.01 V (26.09%) | 15461.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 25.99 V (11.3%) | 204.0 V | 42.86 V (18.64%) | 11043.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 18.19 V (7.91%) | 211.8 V | 30.0 V (13.05%) | 7730.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 12.99 V (5.65%) | 217.0 V | 21.43 V (9.32%) | 5522.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 9.57 V (4.16%) | 220.4 V | 15.79 V (6.87%) | 4068.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 7.58 V (3.3%) | 222.4 V | 12.5 V (5.44%) | 3221.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 6.06 V (2.64%) | 223.9 V | 10.0 V (4.35%) | 2576.9 W | Drop High |
| 185 mm² | 353 A | 275 A | 4.92 V (2.14%) | 225.1 V | 8.11 V (3.53%) | 2089.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 3.79 V (1.65%) | 226.2 V | 6.25 V (2.72%) | 1610.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 3.03 V (1.32%) | 227.0 V | 5.0 V (2.17%) | 1288.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.27 V (0.99%) | 227.7 V | 3.75 V (1.63%) | 966.3 W | ✓ OK (≤3%) |
FAQ — 425 Amp Cable Size at 50 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 425A at 50 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 50m at 230V (voltage drop: 3.03V or 1.32%).
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 · 10m (230V)425A · 15m (230V)425A · 20m (230V)425A · 25m (230V)425A · 30m (230V)425A · 35m (230V)425A · 40m (230V)425A · 45m (230V)425A · 60m (230V)425A · 70m (230V)10A · 50m (230V)16A · 50m (230V)20A · 50m (230V)25A · 50m (230V)32A · 50m (230V)40A · 50m (230V)50A · 50m (230V)63A · 50m (230V)80A · 50m (230V)100A · 50m (230V)125A · 50m (230V)160A · 50m (230V)200A · 50m (230V)