63 Amp Cable Size at 45 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 63 A over 45 m (147.6 ft).
Copper Cable (≤3% Drop)25 mm²Drop: 4.85V (2.11%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 5.72V (2.49%)
Voltage at Load225.1 VLine Loss: 305.8 W
Max Power & Breaker14.49 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 45m
| 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 | 80.89 V (35.17%) | 149.1 V | 133.43 V (58.01%) | 5096.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 48.54 V (21.1%) | 181.5 V | 80.06 V (34.81%) | 3057.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 30.33 V (13.19%) | 199.7 V | 50.04 V (21.76%) | 1911.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 20.22 V (8.79%) | 209.8 V | 33.36 V (14.5%) | 1274.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 12.13 V (5.28%) | 217.9 V | 20.02 V (8.7%) | 764.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 7.58 V (3.3%) | 222.4 V | 12.51 V (5.44%) | 477.8 W | ~ ≤5% |
| 25 mm² | 101 A | 78 A | 4.85 V (2.11%) | 225.1 V | 8.01 V (3.48%) | 305.8 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 3.47 V (1.51%) | 226.5 V | 5.72 V (2.49%) | 218.4 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 2.43 V (1.06%) | 227.6 V | 4.0 V (1.74%) | 152.9 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.73 V (0.75%) | 228.3 V | 2.86 V (1.24%) | 109.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.28 V (0.56%) | 228.7 V | 2.11 V (0.92%) | 80.5 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.01 V (0.44%) | 229.0 V | 1.67 V (0.73%) | 63.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.81 V (0.35%) | 229.2 V | 1.33 V (0.58%) | 51.0 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.66 V (0.29%) | 229.3 V | 1.08 V (0.47%) | 41.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.51 V (0.22%) | 229.5 V | 0.83 V (0.36%) | 31.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.4 V (0.18%) | 229.6 V | 0.67 V (0.29%) | 25.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.3 V (0.13%) | 229.7 V | 0.5 V (0.22%) | 19.1 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 45 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 63A at 45 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 25 mm² copper cable for 63A over 45m at 230V (voltage drop: 4.85V or 2.11%).
What is the power capacity of 63A at 230V?
At unity power factor, 63A at 230V supports 14.49 kW with a standard 63A circuit breaker.
Related Lengths & Currents (230V)
63A · 5m (230V)63A · 10m (230V)63A · 15m (230V)63A · 20m (230V)63A · 25m (230V)63A · 30m (230V)63A · 35m (230V)63A · 40m (230V)63A · 50m (230V)63A · 60m (230V)63A · 70m (230V)10A · 45m (230V)16A · 45m (230V)20A · 45m (230V)25A · 45m (230V)32A · 45m (230V)40A · 45m (230V)50A · 45m (230V)80A · 45m (230V)100A · 45m (230V)125A · 45m (230V)160A · 45m (230V)200A · 45m (230V)