475 Amp Cable Size at 500 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 500 m (1640.4 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 11.01V (1.59%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 36.3V (5.26%)
Voltage at Load679.0 VLine Loss: 9053.2 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 500m
| 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 | 5868.77 V (850.55%) | 0.0 V | 9680.72 V (1403.0%) | 4828375.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3521.26 V (510.33%) | 0.0 V | 5808.43 V (841.8%) | 2897025.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2200.79 V (318.95%) | 0.0 V | 3630.27 V (526.13%) | 1810640.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 1467.19 V (212.64%) | 0.0 V | 2420.18 V (350.75%) | 1207093.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 880.31 V (127.58%) | 0.0 V | 1452.11 V (210.45%) | 724256.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 550.2 V (79.74%) | 139.8 V | 907.57 V (131.53%) | 452660.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 352.13 V (51.03%) | 337.9 V | 580.84 V (84.18%) | 289702.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 251.52 V (36.45%) | 438.5 V | 414.89 V (60.13%) | 206930.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 176.06 V (25.52%) | 513.9 V | 290.42 V (42.09%) | 144851.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 125.76 V (18.23%) | 564.2 V | 207.44 V (30.06%) | 103465.2 W | Drop High |
| 95 mm² | 232 A | 181 A | 92.66 V (13.43%) | 597.3 V | 152.85 V (22.15%) | 76237.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 73.36 V (10.63%) | 616.6 V | 121.01 V (17.54%) | 60354.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 58.69 V (8.51%) | 631.3 V | 96.81 V (14.03%) | 48283.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 47.58 V (6.9%) | 642.4 V | 78.49 V (11.38%) | 39149.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 36.68 V (5.32%) | 653.3 V | 60.5 V (8.77%) | 30177.3 W | Drop High |
| 300 mm² | 477 A | 372 A | 29.34 V (4.25%) | 660.7 V | 48.4 V (7.02%) | 24141.9 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 22.01 V (3.19%) | 668.0 V | 36.3 V (5.26%) | 18106.4 W | ~ ≤5% |
FAQ — 475 Amp Cable Size at 500 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 500 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 475A over 500m at 690V (voltage drop: 11.01V or 1.59%).
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 · 500m (690V)16A · 500m (690V)20A · 500m (690V)25A · 500m (690V)32A · 500m (690V)40A · 500m (690V)50A · 500m (690V)63A · 500m (690V)80A · 500m (690V)100A · 500m (690V)125A · 500m (690V)160A · 500m (690V)200A · 500m (690V)