100 Amp Cable Size at 80 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 100 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 5.95V (2.58%)
Voltage at Load223.2 VLine Loss: 684.8 W
Max Power & Breaker23.0 kW100A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 100A 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 | 228.27 V (99.25%) | 1.7 V | 376.53 V (163.71%) | 22826.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 136.96 V (59.55%) | 93.0 V | 225.92 V (98.23%) | 13696.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 85.6 V (37.22%) | 144.4 V | 141.2 V (61.39%) | 8560.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 57.07 V (24.81%) | 172.9 V | 94.13 V (40.93%) | 5706.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 34.24 V (14.89%) | 195.8 V | 56.48 V (24.56%) | 3424.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 21.4 V (9.3%) | 208.6 V | 35.3 V (15.35%) | 2140.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 13.7 V (5.95%) | 216.3 V | 22.59 V (9.82%) | 1369.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 9.78 V (4.25%) | 220.2 V | 16.14 V (7.02%) | 978.3 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 6.85 V (2.98%) | 223.2 V | 11.3 V (4.91%) | 684.8 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 4.89 V (2.13%) | 225.1 V | 8.07 V (3.51%) | 489.1 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.6 V (1.57%) | 226.4 V | 5.95 V (2.58%) | 360.4 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.85 V (1.24%) | 227.1 V | 4.71 V (2.05%) | 285.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.28 V (0.99%) | 227.7 V | 3.77 V (1.64%) | 228.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.85 V (0.8%) | 228.1 V | 3.05 V (1.33%) | 185.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.43 V (0.62%) | 228.6 V | 2.35 V (1.02%) | 142.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.14 V (0.5%) | 228.9 V | 1.88 V (0.82%) | 114.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.86 V (0.37%) | 229.1 V | 1.41 V (0.61%) | 85.6 W | ✓ OK (≤3%) |
FAQ — 100 Amp Cable Size at 80 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 100A at 80 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 100A over 80m at 230V (voltage drop: 6.85V or 2.98%).
What is the power capacity of 100A at 230V?
At unity power factor, 100A at 230V supports 23.0 kW with a standard 100A circuit breaker.
Related Lengths & Currents (230V)
100A · 5m (230V)100A · 10m (230V)100A · 15m (230V)100A · 20m (230V)100A · 25m (230V)100A · 30m (230V)100A · 35m (230V)100A · 40m (230V)100A · 45m (230V)100A · 50m (230V)100A · 60m (230V)100A · 70m (230V)10A · 80m (230V)16A · 80m (230V)20A · 80m (230V)25A · 80m (230V)32A · 80m (230V)40A · 80m (230V)50A · 80m (230V)63A · 80m (230V)80A · 80m (230V)125A · 80m (230V)160A · 80m (230V)200A · 80m (230V)