45 Amp Cable Size at 150 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 45 A over 150 m (492.1 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 5.78V (2.51%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 6.81V (2.96%)
Voltage at Load224.2 VLine Loss: 260.0 W
Max Power & Breaker10.35 kW45A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 45A at 150m
| 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 | 192.6 V (83.74%) | 37.4 V | 317.7 V (138.13%) | 8667.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 115.56 V (50.24%) | 114.4 V | 190.62 V (82.88%) | 5200.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 72.22 V (31.4%) | 157.8 V | 119.14 V (51.8%) | 3250.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 48.15 V (20.93%) | 181.8 V | 79.42 V (34.53%) | 2166.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 28.89 V (12.56%) | 201.1 V | 47.65 V (20.72%) | 1300.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 18.06 V (7.85%) | 211.9 V | 29.78 V (12.95%) | 812.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 11.56 V (5.02%) | 218.4 V | 19.06 V (8.29%) | 520.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 8.25 V (3.59%) | 221.7 V | 13.62 V (5.92%) | 371.4 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 5.78 V (2.51%) | 224.2 V | 9.53 V (4.14%) | 260.0 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 4.13 V (1.79%) | 225.9 V | 6.81 V (2.96%) | 185.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.04 V (1.32%) | 227.0 V | 5.02 V (2.18%) | 136.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.41 V (1.05%) | 227.6 V | 3.97 V (1.73%) | 108.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.93 V (0.84%) | 228.1 V | 3.18 V (1.38%) | 86.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.56 V (0.68%) | 228.4 V | 2.58 V (1.12%) | 70.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.2 V (0.52%) | 228.8 V | 1.99 V (0.86%) | 54.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.96 V (0.42%) | 229.0 V | 1.59 V (0.69%) | 43.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.72 V (0.31%) | 229.3 V | 1.19 V (0.52%) | 32.5 W | ✓ OK (≤3%) |
FAQ — 45 Amp Cable Size at 150 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 45A at 150 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 45A over 150m at 230V (voltage drop: 5.78V or 2.51%).
What is the power capacity of 45A at 230V?
At unity power factor, 45A at 230V supports 10.35 kW with a standard 45A circuit breaker.
Related Lengths & Currents (230V)
45A · 5m (230V)45A · 10m (230V)45A · 15m (230V)45A · 20m (230V)45A · 25m (230V)45A · 30m (230V)45A · 35m (230V)45A · 40m (230V)45A · 45m (230V)45A · 50m (230V)45A · 60m (230V)45A · 70m (230V)10A · 150m (230V)16A · 150m (230V)20A · 150m (230V)25A · 150m (230V)32A · 150m (230V)40A · 150m (230V)50A · 150m (230V)63A · 150m (230V)80A · 150m (230V)100A · 150m (230V)125A · 150m (230V)160A · 150m (230V)200A · 150m (230V)