50 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 50 A over 50 m (164.0 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 6.69V (2.91%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 5.04V (2.19%)
Voltage at Load223.3 VLine Loss: 334.4 W
Max Power & Breaker11.5 kW50A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 50A 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 | 71.33 V (31.01%) | 158.7 V | 117.67 V (51.16%) | 3566.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 42.8 V (18.61%) | 187.2 V | 70.6 V (30.7%) | 2140.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 26.75 V (11.63%) | 203.2 V | 44.12 V (19.18%) | 1337.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 17.83 V (7.75%) | 212.2 V | 29.42 V (12.79%) | 891.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 10.7 V (4.65%) | 219.3 V | 17.65 V (7.67%) | 535.0 W | ~ ≤5% |
| 16 mm² | 76 A | 59 A | 6.69 V (2.91%) | 223.3 V | 11.03 V (4.8%) | 334.4 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 4.28 V (1.86%) | 225.7 V | 7.06 V (3.07%) | 214.0 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 3.06 V (1.33%) | 226.9 V | 5.04 V (2.19%) | 152.9 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 2.14 V (0.93%) | 227.9 V | 3.53 V (1.53%) | 107.0 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.53 V (0.66%) | 228.5 V | 2.52 V (1.1%) | 76.4 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.13 V (0.49%) | 228.9 V | 1.86 V (0.81%) | 56.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.89 V (0.39%) | 229.1 V | 1.47 V (0.64%) | 44.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.71 V (0.31%) | 229.3 V | 1.18 V (0.51%) | 35.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.58 V (0.25%) | 229.4 V | 0.95 V (0.41%) | 28.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.45 V (0.19%) | 229.6 V | 0.74 V (0.32%) | 22.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.36 V (0.16%) | 229.6 V | 0.59 V (0.26%) | 17.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.27 V (0.12%) | 229.7 V | 0.44 V (0.19%) | 13.4 W | ✓ OK (≤3%) |
FAQ — 50 Amp Cable Size at 50 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 50A at 50 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 50A over 50m at 230V (voltage drop: 6.69V or 2.91%).
What is the power capacity of 50A at 230V?
At unity power factor, 50A at 230V supports 11.5 kW with a standard 50A circuit breaker.
Related Lengths & Currents (230V)
50A · 5m (230V)50A · 10m (230V)50A · 15m (230V)50A · 20m (230V)50A · 25m (230V)50A · 30m (230V)50A · 35m (230V)50A · 40m (230V)50A · 45m (230V)50A · 60m (230V)50A · 70m (230V)10A · 50m (230V)16A · 50m (230V)20A · 50m (230V)25A · 50m (230V)32A · 50m (230V)40A · 50m (230V)63A · 50m (230V)80A · 50m (230V)100A · 50m (230V)125A · 50m (230V)160A · 50m (230V)200A · 50m (230V)