80 Amp Cable Size at 300 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 300 m (984.3 ft).
Copper Cable (≤3% Drop)150 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)300 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 300m
| 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 | 684.8 V (297.74%) | 0.0 V | 1129.6 V (491.13%) | 54784.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 410.88 V (178.64%) | 0.0 V | 677.76 V (294.68%) | 32870.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 20544.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 171.2 V (74.43%) | 58.8 V | 282.4 V (122.78%) | 13696.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 102.72 V (44.66%) | 127.3 V | 169.44 V (73.67%) | 8217.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 64.2 V (27.91%) | 165.8 V | 105.9 V (46.04%) | 5136.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 41.09 V (17.86%) | 188.9 V | 67.78 V (29.47%) | 3287.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 29.35 V (12.76%) | 200.7 V | 48.41 V (21.05%) | 2347.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 20.54 V (8.93%) | 209.5 V | 33.89 V (14.73%) | 1643.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 14.67 V (6.38%) | 215.3 V | 24.21 V (10.52%) | 1173.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 10.81 V (4.7%) | 219.2 V | 17.84 V (7.75%) | 865.0 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 8.56 V (3.72%) | 221.4 V | 14.12 V (6.14%) | 684.8 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 6.85 V (2.98%) | 223.2 V | 11.3 V (4.91%) | 547.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 5.55 V (2.41%) | 224.4 V | 9.16 V (3.98%) | 444.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 4.28 V (1.86%) | 225.7 V | 7.06 V (3.07%) | 342.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 3.42 V (1.49%) | 226.6 V | 5.65 V (2.46%) | 273.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.57 V (1.12%) | 227.4 V | 4.24 V (1.84%) | 205.4 W | ✓ OK (≤3%) |
FAQ — 80 Amp Cable Size at 300 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 80A at 300 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 150 mm² copper cable for 80A over 300m 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 · 50m (230V)80A · 60m (230V)80A · 70m (230V)10A · 300m (230V)16A · 300m (230V)20A · 300m (230V)25A · 300m (230V)32A · 300m (230V)40A · 300m (230V)50A · 300m (230V)63A · 300m (230V)100A · 300m (230V)125A · 300m (230V)160A · 300m (230V)200A · 300m (230V)