35 Amp Cable Size at 35 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 35 m (114.8 ft).
Copper Cable (≤3% Drop)6 mm²Drop: 7.57V (1.1%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 7.49V (1.09%)
Voltage at Load682.4 VLine Loss: 458.8 W
Max Power & Breaker41.83 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A at 35m
| 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 | 30.27 V (4.39%) | 659.7 V | 49.93 V (7.24%) | 1835.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 18.16 V (2.63%) | 671.8 V | 29.96 V (4.34%) | 1101.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 11.35 V (1.65%) | 678.6 V | 18.72 V (2.71%) | 688.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 7.57 V (1.1%) | 682.4 V | 12.48 V (1.81%) | 458.8 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 4.54 V (0.66%) | 685.5 V | 7.49 V (1.09%) | 275.3 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 2.84 V (0.41%) | 687.2 V | 4.68 V (0.68%) | 172.0 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.82 V (0.26%) | 688.2 V | 3.0 V (0.43%) | 110.1 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.3 V (0.19%) | 688.7 V | 2.14 V (0.31%) | 78.6 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.91 V (0.13%) | 689.1 V | 1.5 V (0.22%) | 55.1 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.65 V (0.09%) | 689.4 V | 1.07 V (0.16%) | 39.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.48 V (0.07%) | 689.5 V | 0.79 V (0.11%) | 29.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.38 V (0.05%) | 689.6 V | 0.62 V (0.09%) | 22.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.3 V (0.04%) | 689.7 V | 0.5 V (0.07%) | 18.4 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.25 V (0.04%) | 689.8 V | 0.4 V (0.06%) | 14.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.19 V (0.03%) | 689.8 V | 0.31 V (0.05%) | 11.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.15 V (0.02%) | 689.8 V | 0.25 V (0.04%) | 9.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.11 V (0.02%) | 689.9 V | 0.19 V (0.03%) | 6.9 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 35 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 35A at 35 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6 mm² copper cable for 35A over 35m at 690V (voltage drop: 7.57V or 1.1%).
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 · 40m (690V)35A · 45m (690V)35A · 50m (690V)35A · 60m (690V)35A · 70m (690V)10A · 35m (690V)16A · 35m (690V)20A · 35m (690V)25A · 35m (690V)32A · 35m (690V)40A · 35m (690V)50A · 35m (690V)63A · 35m (690V)80A · 35m (690V)100A · 35m (690V)125A · 35m (690V)160A · 35m (690V)200A · 35m (690V)