175 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 175 A over 15 m (49.2 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 1.6V (0.7%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 1.95V (0.85%)
Voltage at Load228.4 VLine Loss: 280.9 W
Max Power & Breaker40.25 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A 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 | 74.9 V (32.57%) | 155.1 V | 123.55 V (53.72%) | 13107.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 44.94 V (19.54%) | 185.1 V | 74.13 V (32.23%) | 7864.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 28.09 V (12.21%) | 201.9 V | 46.33 V (20.14%) | 4915.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 18.72 V (8.14%) | 211.3 V | 30.89 V (13.43%) | 3276.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 11.24 V (4.88%) | 218.8 V | 18.53 V (8.06%) | 1966.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 7.02 V (3.05%) | 223.0 V | 11.58 V (5.04%) | 1228.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 4.49 V (1.95%) | 225.5 V | 7.41 V (3.22%) | 786.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.21 V (1.4%) | 226.8 V | 5.29 V (2.3%) | 561.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.25 V (0.98%) | 227.8 V | 3.71 V (1.61%) | 393.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.6 V (0.7%) | 228.4 V | 2.65 V (1.15%) | 280.9 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.18 V (0.51%) | 228.8 V | 1.95 V (0.85%) | 207.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.94 V (0.41%) | 229.1 V | 1.54 V (0.67%) | 163.8 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.75 V (0.33%) | 229.3 V | 1.24 V (0.54%) | 131.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.61 V (0.26%) | 229.4 V | 1.0 V (0.44%) | 106.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.47 V (0.2%) | 229.5 V | 0.77 V (0.34%) | 81.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.37 V (0.16%) | 229.6 V | 0.62 V (0.27%) | 65.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.28 V (0.12%) | 229.7 V | 0.46 V (0.2%) | 49.2 W | ✓ OK (≤3%) |
FAQ — 175 Amp Cable Size at 15 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 175A at 15 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 175A over 15m at 230V (voltage drop: 1.6V or 0.7%).
What is the power capacity of 175A at 230V?
At unity power factor, 175A at 230V supports 40.25 kW with a standard 175A circuit breaker.
Related Lengths & Currents (230V)
175A · 5m (230V)175A · 10m (230V)175A · 20m (230V)175A · 25m (230V)175A · 30m (230V)175A · 35m (230V)175A · 40m (230V)175A · 45m (230V)175A · 50m (230V)175A · 60m (230V)175A · 70m (230V)10A · 15m (230V)16A · 15m (230V)20A · 15m (230V)25A · 15m (230V)32A · 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)