35 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 35 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 14.19V (2.06%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 14.98V (2.17%)
Voltage at Load675.8 VLine Loss: 860.2 W
Max Power & Breaker41.83 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A 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 | 151.35 V (21.94%) | 538.6 V | 249.66 V (36.18%) | 9175.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 90.81 V (13.16%) | 599.2 V | 149.8 V (21.71%) | 5505.1 W | Drop High |
| 4 mm² | 32 A | 25 A | 56.76 V (8.23%) | 633.2 V | 93.62 V (13.57%) | 3440.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 37.84 V (5.48%) | 652.2 V | 62.42 V (9.05%) | 2293.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 22.7 V (3.29%) | 667.3 V | 37.45 V (5.43%) | 1376.3 W | ~ ≤5% |
| 16 mm² | 76 A | 59 A | 14.19 V (2.06%) | 675.8 V | 23.41 V (3.39%) | 860.2 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 9.08 V (1.32%) | 680.9 V | 14.98 V (2.17%) | 550.5 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 6.49 V (0.94%) | 683.5 V | 10.7 V (1.55%) | 393.2 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 4.54 V (0.66%) | 685.5 V | 7.49 V (1.09%) | 275.3 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 3.24 V (0.47%) | 686.8 V | 5.35 V (0.78%) | 196.6 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.39 V (0.35%) | 687.6 V | 3.94 V (0.57%) | 144.9 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.89 V (0.27%) | 688.1 V | 3.12 V (0.45%) | 114.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.51 V (0.22%) | 688.5 V | 2.5 V (0.36%) | 91.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.23 V (0.18%) | 688.8 V | 2.02 V (0.29%) | 74.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.95 V (0.14%) | 689.1 V | 1.56 V (0.23%) | 57.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.76 V (0.11%) | 689.2 V | 1.25 V (0.18%) | 45.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.57 V (0.08%) | 689.4 V | 0.94 V (0.14%) | 34.4 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 35A at 175 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 35A over 175m at 690V (voltage drop: 14.19V or 2.06%).
What is the power capacity of 35A at 690V?
At unity power factor, 35A at 690V supports 41.83 kW with a standard 35A circuit breaker.
Related Lengths & Currents (690V)
35A · 5m (690V)35A · 10m (690V)35A · 15m (690V)35A · 20m (690V)35A · 25m (690V)35A · 30m (690V)35A · 35m (690V)35A · 40m (690V)35A · 45m (690V)35A · 50m (690V)35A · 60m (690V)35A · 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)