475 Amp Cable Size at 150 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 150 m (492.1 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 8.8V (1.28%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.89V (1.58%)
Voltage at Load681.2 VLine Loss: 7242.6 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A 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 | 1760.63 V (255.16%) | 0.0 V | 2904.22 V (420.9%) | 1448512.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1056.38 V (153.1%) | 0.0 V | 1742.53 V (252.54%) | 869107.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 660.24 V (95.69%) | 29.8 V | 1089.08 V (157.84%) | 543192.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 440.16 V (63.79%) | 249.8 V | 726.05 V (105.23%) | 362128.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 264.09 V (38.27%) | 425.9 V | 435.63 V (63.14%) | 217276.9 W | Drop High |
| 16 mm² | 76 A | 59 A | 165.06 V (23.92%) | 524.9 V | 272.27 V (39.46%) | 135798.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 105.64 V (15.31%) | 584.4 V | 174.25 V (25.25%) | 86910.7 W | Drop High |
| 35 mm² | 125 A | 97 A | 75.46 V (10.94%) | 614.5 V | 124.47 V (18.04%) | 62079.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 52.82 V (7.65%) | 637.2 V | 87.13 V (12.63%) | 43455.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 37.73 V (5.47%) | 652.3 V | 62.23 V (9.02%) | 31039.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 27.8 V (4.03%) | 662.2 V | 45.86 V (6.65%) | 22871.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 22.01 V (3.19%) | 668.0 V | 36.3 V (5.26%) | 18106.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 17.61 V (2.55%) | 672.4 V | 29.04 V (4.21%) | 14485.1 W | Drop High |
| 185 mm² | 353 A | 275 A | 14.28 V (2.07%) | 675.7 V | 23.55 V (3.41%) | 11744.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 11.0 V (1.59%) | 679.0 V | 18.15 V (2.63%) | 9053.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 8.8 V (1.28%) | 681.2 V | 14.52 V (2.1%) | 7242.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 6.6 V (0.96%) | 683.4 V | 10.89 V (1.58%) | 5431.9 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 150 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 150 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 150m at 690V (voltage drop: 8.8V or 1.28%).
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 · 10m (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 · 150m (690V)16A · 150m (690V)20A · 150m (690V)25A · 150m (690V)32A · 150m (690V)40A · 150m (690V)50A · 150m (690V)63A · 150m (690V)80A · 150m (690V)100A · 150m (690V)125A · 150m (690V)160A · 150m (690V)200A · 150m (690V)