475 Amp Cable Size at 200 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 200 m (656.2 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 11.74V (1.7%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 14.52V (2.1%)
Voltage at Load678.3 VLine Loss: 9656.8 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 200m
| 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 | 2347.51 V (340.22%) | 0.0 V | 3872.29 V (561.2%) | 1931350.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1408.5 V (204.13%) | 0.0 V | 2323.37 V (336.72%) | 1158810.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 880.31 V (127.58%) | 0.0 V | 1452.11 V (210.45%) | 724256.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 586.88 V (85.05%) | 103.1 V | 968.07 V (140.3%) | 482837.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 352.13 V (51.03%) | 337.9 V | 580.84 V (84.18%) | 289702.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 220.08 V (31.9%) | 469.9 V | 363.03 V (52.61%) | 181064.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 140.85 V (20.41%) | 549.1 V | 232.34 V (33.67%) | 115881.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 100.61 V (14.58%) | 589.4 V | 165.96 V (24.05%) | 82772.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 70.43 V (10.21%) | 619.6 V | 116.17 V (16.84%) | 57940.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 50.3 V (7.29%) | 639.7 V | 82.98 V (12.03%) | 41386.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 37.07 V (5.37%) | 652.9 V | 61.14 V (8.86%) | 30495.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 29.34 V (4.25%) | 660.7 V | 48.4 V (7.02%) | 24141.9 W | Drop High |
| 150 mm² | 309 A | 241 A | 23.48 V (3.4%) | 666.5 V | 38.72 V (5.61%) | 19313.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 19.03 V (2.76%) | 671.0 V | 31.4 V (4.55%) | 15659.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 14.67 V (2.13%) | 675.3 V | 24.2 V (3.51%) | 12070.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 11.74 V (1.7%) | 678.3 V | 19.36 V (2.81%) | 9656.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 8.8 V (1.28%) | 681.2 V | 14.52 V (2.1%) | 7242.6 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 200 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 200 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 200m at 690V (voltage drop: 11.74V or 1.7%).
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 · 200m (690V)16A · 200m (690V)20A · 200m (690V)25A · 200m (690V)32A · 200m (690V)40A · 200m (690V)50A · 200m (690V)63A · 200m (690V)80A · 200m (690V)100A · 200m (690V)125A · 200m (690V)160A · 200m (690V)200A · 200m (690V)