475 Amp Cable Size at 175 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 175 m (574.1 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 10.27V (1.49%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.71V (1.84%)
Voltage at Load679.7 VLine Loss: 8449.7 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 175m
| 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 | 2054.07 V (297.69%) | 0.0 V | 3388.25 V (491.05%) | 1689931.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1232.44 V (178.61%) | 0.0 V | 2032.95 V (294.63%) | 1013958.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 770.28 V (111.63%) | 0.0 V | 1270.59 V (184.14%) | 633724.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 513.52 V (74.42%) | 176.5 V | 847.06 V (122.76%) | 422482.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 308.11 V (44.65%) | 381.9 V | 508.24 V (73.66%) | 253489.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 192.57 V (27.91%) | 497.4 V | 317.65 V (46.04%) | 158431.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 123.24 V (17.86%) | 566.8 V | 203.3 V (29.46%) | 101395.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 88.03 V (12.76%) | 602.0 V | 145.21 V (21.05%) | 72425.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 61.62 V (8.93%) | 628.4 V | 101.65 V (14.73%) | 50697.9 W | Drop High |
| 70 mm² | 192 A | 150 A | 44.02 V (6.38%) | 646.0 V | 72.61 V (10.52%) | 36212.8 W | Drop High |
| 95 mm² | 232 A | 181 A | 32.43 V (4.7%) | 657.6 V | 53.5 V (7.75%) | 26683.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 25.68 V (3.72%) | 664.3 V | 42.35 V (6.14%) | 21124.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 20.54 V (2.98%) | 669.5 V | 33.88 V (4.91%) | 16899.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 16.65 V (2.41%) | 673.3 V | 27.47 V (3.98%) | 13702.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 12.84 V (1.86%) | 677.2 V | 21.18 V (3.07%) | 10562.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 10.27 V (1.49%) | 679.7 V | 16.94 V (2.46%) | 8449.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 7.7 V (1.12%) | 682.3 V | 12.71 V (1.84%) | 6337.2 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 175 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 175m at 690V (voltage drop: 10.27V or 1.49%).
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 · 175m (690V)16A · 175m (690V)20A · 175m (690V)25A · 175m (690V)32A · 175m (690V)40A · 175m (690V)50A · 175m (690V)63A · 175m (690V)80A · 175m (690V)100A · 175m (690V)125A · 175m (690V)160A · 175m (690V)200A · 175m (690V)