350 Amp Cable Size at 30 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 350 A over 30 m (98.4 ft).
Copper Cable (≤3% Drop)185 mm²Drop: 2.43V (1.06%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 2.47V (1.07%)
Voltage at Load227.6 VLine Loss: 850.2 W
Max Power & Breaker80.5 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 350A at 30m
| 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 | 299.6 V (130.26%) | 0.0 V | 494.2 V (214.87%) | 104860.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 179.76 V (78.16%) | 50.2 V | 296.52 V (128.92%) | 62916.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 112.35 V (48.85%) | 117.6 V | 185.32 V (80.58%) | 39322.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 74.9 V (32.57%) | 155.1 V | 123.55 V (53.72%) | 26215.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 44.94 V (19.54%) | 185.1 V | 74.13 V (32.23%) | 15729.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 28.09 V (12.21%) | 201.9 V | 46.33 V (20.14%) | 9830.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 17.98 V (7.82%) | 212.0 V | 29.65 V (12.89%) | 6291.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 12.84 V (5.58%) | 217.2 V | 21.18 V (9.21%) | 4494.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.99 V (3.91%) | 221.0 V | 14.83 V (6.45%) | 3145.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.42 V (2.79%) | 223.6 V | 10.59 V (4.6%) | 2247.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.73 V (2.06%) | 225.3 V | 7.8 V (3.39%) | 1655.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.74 V (1.63%) | 226.3 V | 6.18 V (2.69%) | 1310.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.0 V (1.3%) | 227.0 V | 4.94 V (2.15%) | 1048.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.43 V (1.06%) | 227.6 V | 4.01 V (1.74%) | 850.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.87 V (0.81%) | 228.1 V | 3.09 V (1.34%) | 655.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.5 V (0.65%) | 228.5 V | 2.47 V (1.07%) | 524.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.12 V (0.49%) | 228.9 V | 1.85 V (0.81%) | 393.2 W | ✓ OK (≤3%) |
FAQ — 350 Amp Cable Size at 30 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 350A at 30 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 185 mm² copper cable for 350A over 30m at 230V (voltage drop: 2.43V or 1.06%).
What is the power capacity of 350A at 230V?
At unity power factor, 350A at 230V supports 80.5 kW with a standard 350A circuit breaker.
Related Lengths & Currents (230V)
350A · 5m (230V)350A · 10m (230V)350A · 15m (230V)350A · 20m (230V)350A · 25m (230V)350A · 35m (230V)350A · 40m (230V)350A · 45m (230V)350A · 50m (230V)350A · 60m (230V)350A · 70m (230V)10A · 30m (230V)16A · 30m (230V)20A · 30m (230V)25A · 30m (230V)32A · 30m (230V)40A · 30m (230V)50A · 30m (230V)63A · 30m (230V)80A · 30m (230V)100A · 30m (230V)125A · 30m (230V)160A · 30m (230V)200A · 30m (230V)