80 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 80 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 5.48V (2.38%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 6.45V (2.81%)
Voltage at Load224.5 VLine Loss: 438.3 W
Max Power & Breaker18.4 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A 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 | 182.61 V (79.4%) | 47.4 V | 301.23 V (130.97%) | 14609.1 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 109.57 V (47.64%) | 120.4 V | 180.74 V (78.58%) | 8765.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 68.48 V (29.77%) | 161.5 V | 112.96 V (49.11%) | 5478.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 45.65 V (19.85%) | 184.3 V | 75.31 V (32.74%) | 3652.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 27.39 V (11.91%) | 202.6 V | 45.18 V (19.65%) | 2191.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 17.12 V (7.44%) | 212.9 V | 28.24 V (12.28%) | 1369.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 10.96 V (4.76%) | 219.0 V | 18.07 V (7.86%) | 876.5 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 7.83 V (3.4%) | 222.2 V | 12.91 V (5.61%) | 626.1 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 5.48 V (2.38%) | 224.5 V | 9.04 V (3.93%) | 438.3 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 3.91 V (1.7%) | 226.1 V | 6.45 V (2.81%) | 313.1 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.88 V (1.25%) | 227.1 V | 4.76 V (2.07%) | 230.7 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.28 V (0.99%) | 227.7 V | 3.77 V (1.64%) | 182.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.83 V (0.79%) | 228.2 V | 3.01 V (1.31%) | 146.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.48 V (0.64%) | 228.5 V | 2.44 V (1.06%) | 118.5 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.14 V (0.5%) | 228.9 V | 1.88 V (0.82%) | 91.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.91 V (0.4%) | 229.1 V | 1.51 V (0.65%) | 73.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.68 V (0.3%) | 229.3 V | 1.13 V (0.49%) | 54.8 W | ✓ OK (≤3%) |
FAQ — 80 Amp Cable Size at 80 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 80A 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 80A over 80m at 230V (voltage drop: 5.48V or 2.38%).
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 · 50m (230V)80A · 60m (230V)80A · 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)100A · 80m (230V)125A · 80m (230V)160A · 80m (230V)200A · 80m (230V)