325 Amp Cable Size at 200 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 325 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 10.04V (2.42%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.94V (2.39%)
Voltage at Load405.0 VLine Loss: 5650.9 W
Max Power & Breaker233.61 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 200m
| 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 | 1606.19 V (387.03%) | 0.0 V | 2649.46 V (638.42%) | 904150.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 963.71 V (232.22%) | 0.0 V | 1589.68 V (383.05%) | 542490.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 602.32 V (145.14%) | 0.0 V | 993.55 V (239.41%) | 339056.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 401.55 V (96.76%) | 13.5 V | 662.37 V (159.61%) | 226037.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 240.93 V (58.06%) | 174.1 V | 397.42 V (95.76%) | 135622.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 150.58 V (36.28%) | 264.4 V | 248.39 V (59.85%) | 84764.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 96.37 V (23.22%) | 318.6 V | 158.97 V (38.31%) | 54249.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 68.84 V (16.59%) | 346.2 V | 113.55 V (27.36%) | 38749.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 48.19 V (11.61%) | 366.8 V | 79.48 V (19.15%) | 27124.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 34.42 V (8.29%) | 380.6 V | 56.77 V (13.68%) | 19374.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 25.36 V (6.11%) | 389.6 V | 41.83 V (10.08%) | 14276.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 20.08 V (4.84%) | 394.9 V | 33.12 V (7.98%) | 11301.9 W | Drop High |
| 150 mm² | 309 A | 241 A | 16.06 V (3.87%) | 398.9 V | 26.49 V (6.38%) | 9041.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 13.02 V (3.14%) | 402.0 V | 21.48 V (5.18%) | 7330.9 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 10.04 V (2.42%) | 405.0 V | 16.56 V (3.99%) | 5650.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 8.03 V (1.94%) | 407.0 V | 13.25 V (3.19%) | 4520.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 6.02 V (1.45%) | 409.0 V | 9.94 V (2.39%) | 3390.6 W | ✓ OK (≤3%) |
FAQ — 325 Amp Cable Size at 200 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 325A at 200 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 325A over 200m at 415V (voltage drop: 10.04V or 2.42%).
What is the power capacity of 325A at 415V?
At unity power factor, 325A at 415V supports 233.61 kW with a standard 350A circuit breaker.
Related Lengths & Currents (415V)
325A · 5m (415V)325A · 10m (415V)325A · 15m (415V)325A · 20m (415V)325A · 25m (415V)325A · 30m (415V)325A · 35m (415V)325A · 40m (415V)325A · 45m (415V)325A · 50m (415V)325A · 60m (415V)325A · 70m (415V)10A · 200m (415V)16A · 200m (415V)20A · 200m (415V)25A · 200m (415V)32A · 200m (415V)40A · 200m (415V)50A · 200m (415V)63A · 200m (415V)80A · 200m (415V)100A · 200m (415V)125A · 200m (415V)160A · 200m (415V)200A · 200m (415V)