80 Amp Cable Size at 90 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 90 m (295.3 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 6.16V (2.68%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 5.35V (2.33%)
Voltage at Load223.8 VLine Loss: 493.1 W
Max Power & Breaker18.4 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 90m
| 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 | 205.44 V (89.32%) | 24.6 V | 338.88 V (147.34%) | 16435.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 123.26 V (53.59%) | 106.7 V | 203.33 V (88.4%) | 9861.1 W | Drop High |
| 4 mm² | 32 A | 25 A | 77.04 V (33.5%) | 153.0 V | 127.08 V (55.25%) | 6163.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 51.36 V (22.33%) | 178.6 V | 84.72 V (36.83%) | 4108.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 30.82 V (13.4%) | 199.2 V | 50.83 V (22.1%) | 2465.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 19.26 V (8.37%) | 210.7 V | 31.77 V (13.81%) | 1540.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 12.33 V (5.36%) | 217.7 V | 20.33 V (8.84%) | 986.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 8.8 V (3.83%) | 221.2 V | 14.52 V (6.31%) | 704.4 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 6.16 V (2.68%) | 223.8 V | 10.17 V (4.42%) | 493.1 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 4.4 V (1.91%) | 225.6 V | 7.26 V (3.16%) | 352.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.24 V (1.41%) | 226.8 V | 5.35 V (2.33%) | 259.5 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.57 V (1.12%) | 227.4 V | 4.24 V (1.84%) | 205.4 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.05 V (0.89%) | 227.9 V | 3.39 V (1.47%) | 164.4 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.67 V (0.72%) | 228.3 V | 2.75 V (1.19%) | 133.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.28 V (0.56%) | 228.7 V | 2.12 V (0.92%) | 102.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.03 V (0.45%) | 229.0 V | 1.69 V (0.74%) | 82.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.77 V (0.33%) | 229.2 V | 1.27 V (0.55%) | 61.6 W | ✓ OK (≤3%) |
FAQ — 80 Amp Cable Size at 90 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 80A at 90 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 90m at 230V (voltage drop: 6.16V or 2.68%).
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 · 90m (230V)16A · 90m (230V)20A · 90m (230V)25A · 90m (230V)32A · 90m (230V)40A · 90m (230V)50A · 90m (230V)63A · 90m (230V)100A · 90m (230V)125A · 90m (230V)160A · 90m (230V)200A · 90m (230V)