475 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 10 m (32.8 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 0.59V (0.09%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.73V (0.11%)
Voltage at Load689.4 VLine Loss: 482.8 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A 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 | 117.38 V (17.01%) | 572.6 V | 193.61 V (28.06%) | 96567.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 70.43 V (10.21%) | 619.6 V | 116.17 V (16.84%) | 57940.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 44.02 V (6.38%) | 646.0 V | 72.61 V (10.52%) | 36212.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 29.34 V (4.25%) | 660.7 V | 48.4 V (7.02%) | 24141.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 17.61 V (2.55%) | 672.4 V | 29.04 V (4.21%) | 14485.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 11.0 V (1.59%) | 679.0 V | 18.15 V (2.63%) | 9053.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 7.04 V (1.02%) | 683.0 V | 11.62 V (1.68%) | 5794.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 5.03 V (0.73%) | 685.0 V | 8.3 V (1.2%) | 4138.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 3.52 V (0.51%) | 686.5 V | 5.81 V (0.84%) | 2897.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.52 V (0.36%) | 687.5 V | 4.15 V (0.6%) | 2069.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.85 V (0.27%) | 688.1 V | 3.06 V (0.44%) | 1524.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.47 V (0.21%) | 688.5 V | 2.42 V (0.35%) | 1207.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.17 V (0.17%) | 688.8 V | 1.94 V (0.28%) | 965.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.95 V (0.14%) | 689.0 V | 1.57 V (0.23%) | 783.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.73 V (0.11%) | 689.3 V | 1.21 V (0.18%) | 603.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.59 V (0.09%) | 689.4 V | 0.97 V (0.14%) | 482.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.44 V (0.06%) | 689.6 V | 0.73 V (0.11%) | 362.1 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 10 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 475A over 10m at 690V (voltage drop: 0.59V or 0.09%).
What is the power capacity of 475A at 690V?
At unity power factor, 475A at 690V supports 567.68 kW with a standard 500A circuit breaker.
Related Lengths & Currents (690V)
475A · 5m (690V)475A · 15m (690V)475A · 20m (690V)475A · 25m (690V)475A · 30m (690V)475A · 35m (690V)475A · 40m (690V)475A · 45m (690V)475A · 50m (690V)475A · 60m (690V)475A · 70m (690V)10A · 10m (690V)16A · 10m (690V)20A · 10m (690V)25A · 10m (690V)32A · 10m (690V)40A · 10m (690V)50A · 10m (690V)63A · 10m (690V)80A · 10m (690V)100A · 10m (690V)125A · 10m (690V)160A · 10m (690V)200A · 10m (690V)