32 Amp Cable Size at 15 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 32 A over 15 m (49.2 ft).
Copper Cable (≤3% Drop)4 mm²Drop: 5.14V (2.23%)
Aluminum Cable (≤3% Drop)6 mm²Drop: 5.65V (2.46%)
Voltage at Load224.9 VLine Loss: 164.4 W
Max Power & Breaker7.36 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 15m
| 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 | 13.7 V (5.95%) | 216.3 V | 22.59 V (9.82%) | 438.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 8.22 V (3.57%) | 221.8 V | 13.56 V (5.89%) | 263.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 5.14 V (2.23%) | 224.9 V | 8.47 V (3.68%) | 164.4 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 3.42 V (1.49%) | 226.6 V | 5.65 V (2.46%) | 109.6 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 2.05 V (0.89%) | 227.9 V | 3.39 V (1.47%) | 65.7 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 1.28 V (0.56%) | 228.7 V | 2.12 V (0.92%) | 41.1 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.82 V (0.36%) | 229.2 V | 1.36 V (0.59%) | 26.3 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.59 V (0.26%) | 229.4 V | 0.97 V (0.42%) | 18.8 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.41 V (0.18%) | 229.6 V | 0.68 V (0.29%) | 13.1 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.29 V (0.13%) | 229.7 V | 0.48 V (0.21%) | 9.4 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.22 V (0.09%) | 229.8 V | 0.36 V (0.16%) | 6.9 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.17 V (0.07%) | 229.8 V | 0.28 V (0.12%) | 5.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.14 V (0.06%) | 229.9 V | 0.23 V (0.1%) | 4.4 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.11 V (0.05%) | 229.9 V | 0.18 V (0.08%) | 3.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.09 V (0.04%) | 229.9 V | 0.14 V (0.06%) | 2.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.07 V (0.03%) | 229.9 V | 0.11 V (0.05%) | 2.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.05 V (0.02%) | 229.9 V | 0.08 V (0.04%) | 1.6 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 15 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 32A at 15 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4 mm² copper cable for 32A over 15m at 230V (voltage drop: 5.14V or 2.23%).
What is the power capacity of 32A at 230V?
At unity power factor, 32A at 230V supports 7.36 kW with a standard 32A circuit breaker.
Related Lengths & Currents (230V)
32A · 5m (230V)32A · 10m (230V)32A · 20m (230V)32A · 25m (230V)32A · 30m (230V)32A · 35m (230V)32A · 40m (230V)32A · 45m (230V)32A · 50m (230V)32A · 60m (230V)32A · 70m (230V)10A · 15m (230V)16A · 15m (230V)20A · 15m (230V)25A · 15m (230V)40A · 15m (230V)50A · 15m (230V)63A · 15m (230V)80A · 15m (230V)100A · 15m (230V)125A · 15m (230V)160A · 15m (230V)200A · 15m (230V)