325 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 325 A over 10 m (32.8 ft).
Copper Cable (≤3% Drop)185 mm²Drop: 0.75V (0.33%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 0.76V (0.33%)
Voltage at Load229.2 VLine Loss: 244.4 W
Max Power & Breaker74.75 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 10m
| 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 | 92.73 V (40.32%) | 137.3 V | 152.97 V (66.51%) | 30138.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 55.64 V (24.19%) | 174.4 V | 91.78 V (39.9%) | 18083.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 34.77 V (15.12%) | 195.2 V | 57.36 V (24.94%) | 11301.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 23.18 V (10.08%) | 206.8 V | 38.24 V (16.63%) | 7534.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 13.91 V (6.05%) | 216.1 V | 22.95 V (9.98%) | 4520.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 8.69 V (3.78%) | 221.3 V | 14.34 V (6.24%) | 2825.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 5.56 V (2.42%) | 224.4 V | 9.18 V (3.99%) | 1808.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.97 V (1.73%) | 226.0 V | 6.56 V (2.85%) | 1291.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.78 V (1.21%) | 227.2 V | 4.59 V (2.0%) | 904.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.99 V (0.86%) | 228.0 V | 3.28 V (1.43%) | 645.8 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.46 V (0.64%) | 228.5 V | 2.42 V (1.05%) | 475.9 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.16 V (0.5%) | 228.8 V | 1.91 V (0.83%) | 376.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.93 V (0.4%) | 229.1 V | 1.53 V (0.67%) | 301.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.75 V (0.33%) | 229.2 V | 1.24 V (0.54%) | 244.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.58 V (0.25%) | 229.4 V | 0.96 V (0.42%) | 188.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.46 V (0.2%) | 229.5 V | 0.76 V (0.33%) | 150.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.35 V (0.15%) | 229.7 V | 0.57 V (0.25%) | 113.0 W | ✓ OK (≤3%) |
FAQ — 325 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 325A at 10 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 185 mm² copper cable for 325A over 10m at 230V (voltage drop: 0.75V or 0.33%).
What is the power capacity of 325A at 230V?
At unity power factor, 325A at 230V supports 74.75 kW with a standard 350A circuit breaker.
Related Lengths & Currents (230V)
325A · 5m (230V)325A · 15m (230V)325A · 20m (230V)325A · 25m (230V)325A · 30m (230V)325A · 35m (230V)325A · 40m (230V)325A · 45m (230V)325A · 50m (230V)325A · 60m (230V)325A · 70m (230V)10A · 10m (230V)16A · 10m (230V)20A · 10m (230V)25A · 10m (230V)32A · 10m (230V)40A · 10m (230V)50A · 10m (230V)63A · 10m (230V)80A · 10m (230V)100A · 10m (230V)125A · 10m (230V)160A · 10m (230V)200A · 10m (230V)