175 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 175 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 16.22V (2.35%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 19.71V (2.86%)
Voltage at Load673.8 VLine Loss: 4915.3 W
Max Power & Breaker209.15 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A 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 | 756.76 V (109.68%) | 0.0 V | 1248.3 V (180.91%) | 229381.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 454.06 V (65.81%) | 235.9 V | 748.98 V (108.55%) | 137628.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 283.79 V (41.13%) | 406.2 V | 468.11 V (67.84%) | 86018.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 189.19 V (27.42%) | 500.8 V | 312.08 V (45.23%) | 57345.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 113.51 V (16.45%) | 576.5 V | 187.25 V (27.14%) | 34407.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 70.95 V (10.28%) | 619.1 V | 117.03 V (16.96%) | 21504.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 45.41 V (6.58%) | 644.6 V | 74.9 V (10.85%) | 13762.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 32.43 V (4.7%) | 657.6 V | 53.5 V (7.75%) | 9830.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 22.7 V (3.29%) | 667.3 V | 37.45 V (5.43%) | 6881.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 16.22 V (2.35%) | 673.8 V | 26.75 V (3.88%) | 4915.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 11.95 V (1.73%) | 678.1 V | 19.71 V (2.86%) | 3621.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 9.46 V (1.37%) | 680.5 V | 15.6 V (2.26%) | 2867.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 7.57 V (1.1%) | 682.4 V | 12.48 V (1.81%) | 2293.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 6.14 V (0.89%) | 683.9 V | 10.12 V (1.47%) | 1859.8 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 4.73 V (0.69%) | 685.3 V | 7.8 V (1.13%) | 1433.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 3.78 V (0.55%) | 686.2 V | 6.24 V (0.9%) | 1146.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.84 V (0.41%) | 687.2 V | 4.68 V (0.68%) | 860.2 W | ✓ OK (≤3%) |
FAQ — 175 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 175A at 175 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 175A over 175m at 690V (voltage drop: 16.22V or 2.35%).
What is the power capacity of 175A at 690V?
At unity power factor, 175A at 690V supports 209.15 kW with a standard 175A circuit breaker.
Related Lengths & Currents (690V)
175A · 5m (690V)175A · 10m (690V)175A · 15m (690V)175A · 20m (690V)175A · 25m (690V)175A · 30m (690V)175A · 35m (690V)175A · 40m (690V)175A · 45m (690V)175A · 50m (690V)175A · 60m (690V)175A · 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)