110 Amp Cable Size at 80 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 110 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)35 mm²Drop: 9.32V (1.35%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 10.76V (1.56%)
Voltage at Load680.7 VLine Loss: 1775.6 W
Max Power & Breaker131.46 kW110A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 110A at 80m
| 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 | 217.45 V (31.51%) | 472.5 V | 358.7 V (51.98%) | 41430.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 130.47 V (18.91%) | 559.5 V | 215.22 V (31.19%) | 24858.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 81.54 V (11.82%) | 608.5 V | 134.51 V (19.49%) | 15536.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 54.36 V (7.88%) | 635.6 V | 89.67 V (13.0%) | 10357.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 32.62 V (4.73%) | 657.4 V | 53.8 V (7.8%) | 6214.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 20.39 V (2.95%) | 669.6 V | 33.63 V (4.87%) | 3884.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 13.05 V (1.89%) | 677.0 V | 21.52 V (3.12%) | 2485.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 9.32 V (1.35%) | 680.7 V | 15.37 V (2.23%) | 1775.6 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 6.52 V (0.95%) | 683.5 V | 10.76 V (1.56%) | 1242.9 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 4.66 V (0.68%) | 685.3 V | 7.69 V (1.11%) | 887.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.43 V (0.5%) | 686.6 V | 5.66 V (0.82%) | 654.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.72 V (0.39%) | 687.3 V | 4.48 V (0.65%) | 517.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.17 V (0.32%) | 687.8 V | 3.59 V (0.52%) | 414.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.76 V (0.26%) | 688.2 V | 2.91 V (0.42%) | 335.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.36 V (0.2%) | 688.6 V | 2.24 V (0.32%) | 258.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.09 V (0.16%) | 688.9 V | 1.79 V (0.26%) | 207.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.82 V (0.12%) | 689.2 V | 1.35 V (0.19%) | 155.4 W | ✓ OK (≤3%) |
FAQ — 110 Amp Cable Size at 80 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 110A at 80 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 110A over 80m at 690V (voltage drop: 9.32V or 1.35%).
What is the power capacity of 110A at 690V?
At unity power factor, 110A at 690V supports 131.46 kW with a standard 110A circuit breaker.
Related Lengths & Currents (690V)
110A · 5m (690V)110A · 10m (690V)110A · 15m (690V)110A · 20m (690V)110A · 25m (690V)110A · 30m (690V)110A · 35m (690V)110A · 40m (690V)110A · 45m (690V)110A · 50m (690V)110A · 60m (690V)110A · 70m (690V)10A · 80m (690V)16A · 80m (690V)20A · 80m (690V)25A · 80m (690V)32A · 80m (690V)40A · 80m (690V)50A · 80m (690V)63A · 80m (690V)80A · 80m (690V)100A · 80m (690V)125A · 80m (690V)160A · 80m (690V)200A · 80m (690V)