30 Amp Cable Size at 175 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 30 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)35 mm²Drop: 6.42V (2.79%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 5.29V (2.3%)
Voltage at Load223.6 VLine Loss: 192.6 W
Max Power & Breaker6.9 kW30A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 30A at 175m
| 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 | 149.8 V (65.13%) | 80.2 V | 247.1 V (107.43%) | 4494.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 89.88 V (39.08%) | 140.1 V | 148.26 V (64.46%) | 2696.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 56.17 V (24.42%) | 173.8 V | 92.66 V (40.29%) | 1685.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 37.45 V (16.28%) | 192.6 V | 61.77 V (26.86%) | 1123.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 22.47 V (9.77%) | 207.5 V | 37.06 V (16.12%) | 674.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 14.04 V (6.11%) | 216.0 V | 23.17 V (10.07%) | 421.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 8.99 V (3.91%) | 221.0 V | 14.83 V (6.45%) | 269.6 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 6.42 V (2.79%) | 223.6 V | 10.59 V (4.6%) | 192.6 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 4.49 V (1.95%) | 225.5 V | 7.41 V (3.22%) | 134.8 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 3.21 V (1.4%) | 226.8 V | 5.29 V (2.3%) | 96.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.37 V (1.03%) | 227.6 V | 3.9 V (1.7%) | 71.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.87 V (0.81%) | 228.1 V | 3.09 V (1.34%) | 56.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.5 V (0.65%) | 228.5 V | 2.47 V (1.07%) | 44.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.21 V (0.53%) | 228.8 V | 2.0 V (0.87%) | 36.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.94 V (0.41%) | 229.1 V | 1.54 V (0.67%) | 28.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.75 V (0.33%) | 229.3 V | 1.24 V (0.54%) | 22.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.56 V (0.24%) | 229.4 V | 0.93 V (0.4%) | 16.9 W | ✓ OK (≤3%) |
FAQ — 30 Amp Cable Size at 175 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 30A at 175 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 30A over 175m at 230V (voltage drop: 6.42V or 2.79%).
What is the power capacity of 30A at 230V?
At unity power factor, 30A at 230V supports 6.9 kW with a standard 30A circuit breaker.
Related Lengths & Currents (230V)
30A · 5m (230V)30A · 10m (230V)30A · 15m (230V)30A · 20m (230V)30A · 25m (230V)30A · 30m (230V)30A · 35m (230V)30A · 40m (230V)30A · 45m (230V)30A · 50m (230V)30A · 60m (230V)30A · 70m (230V)10A · 175m (230V)16A · 175m (230V)20A · 175m (230V)25A · 175m (230V)32A · 175m (230V)40A · 175m (230V)50A · 175m (230V)63A · 175m (230V)80A · 175m (230V)100A · 175m (230V)125A · 175m (230V)160A · 175m (230V)200A · 175m (230V)