63 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 63 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)25 mm²Drop: 16.35V (2.37%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 19.26V (2.79%)
Voltage at Load673.7 VLine Loss: 1783.7 W
Max Power & Breaker75.29 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A 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 | 272.43 V (39.48%) | 417.6 V | 449.39 V (65.13%) | 29727.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 163.46 V (23.69%) | 526.5 V | 269.63 V (39.08%) | 17836.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 102.16 V (14.81%) | 587.8 V | 168.52 V (24.42%) | 11147.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 68.11 V (9.87%) | 621.9 V | 112.35 V (16.28%) | 7432.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 40.87 V (5.92%) | 649.1 V | 67.41 V (9.77%) | 4459.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 25.54 V (3.7%) | 664.5 V | 42.13 V (6.11%) | 2787.0 W | ~ ≤5% |
| 25 mm² | 101 A | 78 A | 16.35 V (2.37%) | 673.7 V | 26.96 V (3.91%) | 1783.7 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 11.68 V (1.69%) | 678.3 V | 19.26 V (2.79%) | 1274.0 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 8.17 V (1.18%) | 681.8 V | 13.48 V (1.95%) | 891.8 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 5.84 V (0.85%) | 684.2 V | 9.63 V (1.4%) | 637.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 4.3 V (0.62%) | 685.7 V | 7.1 V (1.03%) | 469.4 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 3.41 V (0.49%) | 686.6 V | 5.62 V (0.81%) | 371.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.72 V (0.39%) | 687.3 V | 4.49 V (0.65%) | 297.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 2.21 V (0.32%) | 687.8 V | 3.64 V (0.53%) | 241.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.7 V (0.25%) | 688.3 V | 2.81 V (0.41%) | 185.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.36 V (0.2%) | 688.6 V | 2.25 V (0.33%) | 148.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.02 V (0.15%) | 689.0 V | 1.69 V (0.24%) | 111.5 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 63A at 175 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 25 mm² copper cable for 63A over 175m at 690V (voltage drop: 16.35V or 2.37%).
What is the power capacity of 63A at 690V?
At unity power factor, 63A at 690V supports 75.29 kW with a standard 63A circuit breaker.
Related Lengths & Currents (690V)
63A · 5m (690V)63A · 10m (690V)63A · 15m (690V)63A · 20m (690V)63A · 25m (690V)63A · 30m (690V)63A · 35m (690V)63A · 40m (690V)63A · 45m (690V)63A · 50m (690V)63A · 60m (690V)63A · 70m (690V)10A · 175m (690V)16A · 175m (690V)20A · 175m (690V)25A · 175m (690V)32A · 175m (690V)40A · 175m (690V)50A · 175m (690V)80A · 175m (690V)100A · 175m (690V)125A · 175m (690V)160A · 175m (690V)200A · 175m (690V)