80 Amp Cable Size at 50 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 80 A over 50 m (164.0 ft).
Copper Cable (≤3% Drop)25 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 5.65V (2.46%)
Voltage at Load223.2 VLine Loss: 547.8 W
Max Power & Breaker18.4 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 50m
| 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 | 114.13 V (49.62%) | 115.9 V | 188.27 V (81.86%) | 9130.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 68.48 V (29.77%) | 161.5 V | 112.96 V (49.11%) | 5478.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 42.8 V (18.61%) | 187.2 V | 70.6 V (30.7%) | 3424.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 28.53 V (12.41%) | 201.5 V | 47.07 V (20.46%) | 2282.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 17.12 V (7.44%) | 212.9 V | 28.24 V (12.28%) | 1369.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 10.7 V (4.65%) | 219.3 V | 17.65 V (7.67%) | 856.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 6.85 V (2.98%) | 223.2 V | 11.3 V (4.91%) | 547.8 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 4.89 V (2.13%) | 225.1 V | 8.07 V (3.51%) | 391.3 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 3.42 V (1.49%) | 226.6 V | 5.65 V (2.46%) | 273.9 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.45 V (1.06%) | 227.6 V | 4.03 V (1.75%) | 195.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.8 V (0.78%) | 228.2 V | 2.97 V (1.29%) | 144.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.43 V (0.62%) | 228.6 V | 2.35 V (1.02%) | 114.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.14 V (0.5%) | 228.9 V | 1.88 V (0.82%) | 91.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.93 V (0.4%) | 229.1 V | 1.53 V (0.66%) | 74.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.71 V (0.31%) | 229.3 V | 1.18 V (0.51%) | 57.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.57 V (0.25%) | 229.4 V | 0.94 V (0.41%) | 45.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.43 V (0.19%) | 229.6 V | 0.71 V (0.31%) | 34.2 W | ✓ OK (≤3%) |
FAQ — 80 Amp Cable Size at 50 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 80A at 50 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 25 mm² copper cable for 80A over 50m at 230V (voltage drop: 6.85V or 2.98%).
What is the power capacity of 80A at 230V?
At unity power factor, 80A at 230V supports 18.4 kW with a standard 80A circuit breaker.
Related Lengths & Currents (230V)
80A · 5m (230V)80A · 10m (230V)80A · 15m (230V)80A · 20m (230V)80A · 25m (230V)80A · 30m (230V)80A · 35m (230V)80A · 40m (230V)80A · 45m (230V)80A · 60m (230V)80A · 70m (230V)10A · 50m (230V)16A · 50m (230V)20A · 50m (230V)25A · 50m (230V)32A · 50m (230V)40A · 50m (230V)50A · 50m (230V)63A · 50m (230V)100A · 50m (230V)125A · 50m (230V)160A · 50m (230V)200A · 50m (230V)