325 Amp Cable Size at 35 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 325 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)185 mm²Drop: 2.28V (0.57%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 2.32V (0.58%)
Voltage at Load397.7 VLine Loss: 1282.9 W
Max Power & Breaker225.17 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 35m
| 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 | 281.08 V (70.27%) | 118.9 V | 463.66 V (115.91%) | 158226.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 168.65 V (42.16%) | 231.4 V | 278.19 V (69.55%) | 94935.8 W | Drop High |
| 4 mm² | 32 A | 25 A | 105.41 V (26.35%) | 294.6 V | 173.87 V (43.47%) | 59334.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 70.27 V (17.57%) | 329.7 V | 115.91 V (28.98%) | 39556.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 42.16 V (10.54%) | 357.8 V | 69.55 V (17.39%) | 23733.9 W | Drop High |
| 16 mm² | 76 A | 59 A | 26.35 V (6.59%) | 373.6 V | 43.47 V (10.87%) | 14833.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 16.86 V (4.22%) | 383.1 V | 27.82 V (6.95%) | 9493.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 12.05 V (3.01%) | 388.0 V | 19.87 V (4.97%) | 6781.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.43 V (2.11%) | 391.6 V | 13.91 V (3.48%) | 4746.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.02 V (1.51%) | 394.0 V | 9.94 V (2.48%) | 3390.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.44 V (1.11%) | 395.6 V | 7.32 V (1.83%) | 2498.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.51 V (0.88%) | 396.5 V | 5.8 V (1.45%) | 1977.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.81 V (0.7%) | 397.2 V | 4.64 V (1.16%) | 1582.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.28 V (0.57%) | 397.7 V | 3.76 V (0.94%) | 1282.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.76 V (0.44%) | 398.2 V | 2.9 V (0.72%) | 988.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.41 V (0.35%) | 398.6 V | 2.32 V (0.58%) | 791.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.05 V (0.26%) | 398.9 V | 1.74 V (0.43%) | 593.3 W | ✓ OK (≤3%) |
FAQ — 325 Amp Cable Size at 35 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 325A at 35 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 185 mm² copper cable for 325A over 35m at 400V (voltage drop: 2.28V or 0.57%).
What is the power capacity of 325A at 400V?
At unity power factor, 325A at 400V supports 225.17 kW with a standard 350A circuit breaker.
Related Lengths & Currents (400V)
325A · 5m (400V)325A · 10m (400V)325A · 15m (400V)325A · 20m (400V)325A · 25m (400V)325A · 30m (400V)325A · 40m (400V)325A · 45m (400V)325A · 50m (400V)325A · 60m (400V)325A · 70m (400V)10A · 35m (400V)16A · 35m (400V)20A · 35m (400V)25A · 35m (400V)32A · 35m (400V)40A · 35m (400V)50A · 35m (400V)63A · 35m (400V)80A · 35m (400V)100A · 35m (400V)125A · 35m (400V)160A · 35m (400V)200A · 35m (400V)