325 Amp Cable Size at 500 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 500 m (1640.4 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 5.8V (2.52%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 28.68V (12.47%)
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 500m
| 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 | 4636.67 V (2015.94%) | 0.0 V | 7648.33 V (3325.36%) | 1506916.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 2782.0 V (1209.57%) | 0.0 V | 4589.0 V (1995.22%) | 904150.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1738.75 V (755.98%) | 0.0 V | 2868.12 V (1247.01%) | 565093.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 1159.17 V (503.99%) | 0.0 V | 1912.08 V (831.34%) | 376729.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 695.5 V (302.39%) | 0.0 V | 1147.25 V (498.8%) | 226037.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 434.69 V (188.99%) | 0.0 V | 717.03 V (311.75%) | 141273.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 278.2 V (120.96%) | 0.0 V | 458.9 V (199.52%) | 90415.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 198.71 V (86.4%) | 31.3 V | 327.79 V (142.52%) | 64582.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 139.1 V (60.48%) | 90.9 V | 229.45 V (99.76%) | 45207.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 99.36 V (43.2%) | 130.6 V | 163.89 V (71.26%) | 32291.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 73.21 V (31.83%) | 156.8 V | 120.76 V (52.51%) | 23793.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 57.96 V (25.2%) | 172.0 V | 95.6 V (41.57%) | 18836.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 46.37 V (20.16%) | 183.6 V | 76.48 V (33.25%) | 15069.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 37.59 V (16.35%) | 192.4 V | 62.01 V (26.96%) | 12218.2 W | Drop High |
| 240 mm² | 415 A | 324 A | 28.98 V (12.6%) | 201.0 V | 47.8 V (20.78%) | 9418.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 23.18 V (10.08%) | 206.8 V | 38.24 V (16.63%) | 7534.6 W | Drop High |
| 400 mm² | 570 A | 445 A | 17.39 V (7.56%) | 212.6 V | 28.68 V (12.47%) | 5650.9 W | Drop High |
FAQ — 325 Amp Cable Size at 500 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 325A at 500 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 325A over 500m 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 · 500m (230V)16A · 500m (230V)20A · 500m (230V)25A · 500m (230V)32A · 500m (230V)40A · 500m (230V)50A · 500m (230V)63A · 500m (230V)80A · 500m (230V)100A · 500m (230V)125A · 500m (230V)160A · 500m (230V)200A · 500m (230V)