325 Amp Cable Size at 100 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 100 m (328.1 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 5.8V (2.52%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.74V (2.49%)
Voltage at Load224.2 VLine Loss: 1883.6 W
Max Power & Breaker74.75 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 100m
| 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 | 927.33 V (403.19%) | 0.0 V | 1529.67 V (665.07%) | 301383.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 556.4 V (241.91%) | 0.0 V | 917.8 V (399.04%) | 180830.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 347.75 V (151.2%) | 0.0 V | 573.62 V (249.4%) | 113018.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 231.83 V (100.8%) | 0.0 V | 382.42 V (166.27%) | 75345.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 139.1 V (60.48%) | 90.9 V | 229.45 V (99.76%) | 45207.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 86.94 V (37.8%) | 143.1 V | 143.41 V (62.35%) | 28254.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 55.64 V (24.19%) | 174.4 V | 91.78 V (39.9%) | 18083.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 39.74 V (17.28%) | 190.3 V | 65.56 V (28.5%) | 12916.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 27.82 V (12.1%) | 202.2 V | 45.89 V (19.95%) | 9041.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 19.87 V (8.64%) | 210.1 V | 32.78 V (14.25%) | 6458.2 W | Drop High |
| 95 mm² | 232 A | 181 A | 14.64 V (6.37%) | 215.4 V | 24.15 V (10.5%) | 4758.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 11.59 V (5.04%) | 218.4 V | 19.12 V (8.31%) | 3767.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 9.27 V (4.03%) | 220.7 V | 15.3 V (6.65%) | 3013.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 7.52 V (3.27%) | 222.5 V | 12.4 V (5.39%) | 2443.6 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 5.8 V (2.52%) | 224.2 V | 9.56 V (4.16%) | 1883.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 4.64 V (2.02%) | 225.4 V | 7.65 V (3.33%) | 1506.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 3.48 V (1.51%) | 226.5 V | 5.74 V (2.49%) | 1130.2 W | ✓ OK (≤3%) |
FAQ — 325 Amp Cable Size at 100 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 325A at 100 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 325A over 100m at 230V (voltage drop: 5.8V or 2.52%).
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 · 10m (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 · 100m (230V)16A · 100m (230V)20A · 100m (230V)25A · 100m (230V)32A · 100m (230V)40A · 100m (230V)50A · 100m (230V)63A · 100m (230V)80A · 100m (230V)100A · 100m (230V)125A · 100m (230V)160A · 100m (230V)200A · 100m (230V)