750 Amp Cable Size at 400 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 750 A over 400 m (1312.3 ft).
Copper Cable (≤3% Drop)5× 400 mm²Drop: 6.42V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 52.95V (23.02%)
Voltage at Load223.6 VLine Loss: 4815.0 W
Max Power & Breaker172.5 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A at 400m
| 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 | 8560.0 V (3721.74%) | 0.0 V | 14120.0 V (6139.13%) | 6420000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 5136.0 V (2233.04%) | 0.0 V | 8472.0 V (3683.48%) | 3852000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 3210.0 V (1395.65%) | 0.0 V | 5295.0 V (2302.17%) | 2407500.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2140.0 V (930.43%) | 0.0 V | 3530.0 V (1534.78%) | 1605000.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1284.0 V (558.26%) | 0.0 V | 2118.0 V (920.87%) | 963000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 802.5 V (348.91%) | 0.0 V | 1323.75 V (575.54%) | 601875.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 513.6 V (223.3%) | 0.0 V | 847.2 V (368.35%) | 385200.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 366.86 V (159.5%) | 0.0 V | 605.14 V (263.11%) | 275142.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 192600.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 183.43 V (79.75%) | 46.6 V | 302.57 V (131.55%) | 137571.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 135.16 V (58.76%) | 94.8 V | 222.95 V (96.93%) | 101368.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 107.0 V (46.52%) | 123.0 V | 176.5 V (76.74%) | 80250.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 85.6 V (37.22%) | 144.4 V | 141.2 V (61.39%) | 64200.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 69.41 V (30.18%) | 160.6 V | 114.49 V (49.78%) | 52054.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 53.5 V (23.26%) | 176.5 V | 88.25 V (38.37%) | 40125.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 42.8 V (18.61%) | 187.2 V | 70.6 V (30.7%) | 32100.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 32.1 V (13.96%) | 197.9 V | 52.95 V (23.02%) | 24075.0 W | Drop High |
FAQ — 750 Amp Cable Size at 400 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 750A at 400 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 5× 400 mm² copper cable for 750A over 400m at 230V (voltage drop: 6.42V or 2.79%).
What is the power capacity of 750A at 230V?
At unity power factor, 750A at 230V supports 172.5 kW with a standard 800A circuit breaker.
Related Lengths & Currents (230V)
750A · 5m (230V)750A · 10m (230V)750A · 15m (230V)750A · 20m (230V)750A · 25m (230V)750A · 30m (230V)750A · 35m (230V)750A · 40m (230V)750A · 45m (230V)750A · 50m (230V)750A · 60m (230V)750A · 70m (230V)10A · 400m (230V)16A · 400m (230V)20A · 400m (230V)25A · 400m (230V)32A · 400m (230V)40A · 400m (230V)50A · 400m (230V)63A · 400m (230V)80A · 400m (230V)100A · 400m (230V)125A · 400m (230V)160A · 400m (230V)200A · 400m (230V)