800 Amp Cable Size at 300 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 800 A over 300 m (984.3 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 6.42V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 42.36V (18.42%)
Voltage at Load223.6 VLine Loss: 5136.0 W
Max Power & Breaker184.0 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 300m
| 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 | 6848.0 V (2977.39%) | 0.0 V | 11296.0 V (4911.3%) | 5478400.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4108.8 V (1786.43%) | 0.0 V | 6777.6 V (2946.78%) | 3287040.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2568.0 V (1116.52%) | 0.0 V | 4236.0 V (1841.74%) | 2054400.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1712.0 V (744.35%) | 0.0 V | 2824.0 V (1227.83%) | 1369600.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1027.2 V (446.61%) | 0.0 V | 1694.4 V (736.7%) | 821760.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 642.0 V (279.13%) | 0.0 V | 1059.0 V (460.43%) | 513600.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 410.88 V (178.64%) | 0.0 V | 677.76 V (294.68%) | 328704.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 293.49 V (127.6%) | 0.0 V | 484.11 V (210.48%) | 234788.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 205.44 V (89.32%) | 24.6 V | 338.88 V (147.34%) | 164352.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 146.74 V (63.8%) | 83.3 V | 242.06 V (105.24%) | 117394.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 108.13 V (47.01%) | 121.9 V | 178.36 V (77.55%) | 86501.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 85.6 V (37.22%) | 144.4 V | 141.2 V (61.39%) | 68480.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 68.48 V (29.77%) | 161.5 V | 112.96 V (49.11%) | 54784.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 55.52 V (24.14%) | 174.5 V | 91.59 V (39.82%) | 44419.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 42.8 V (18.61%) | 187.2 V | 70.6 V (30.7%) | 34240.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 34.24 V (14.89%) | 195.8 V | 56.48 V (24.56%) | 27392.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 25.68 V (11.17%) | 204.3 V | 42.36 V (18.42%) | 20544.0 W | Drop High |
FAQ — 800 Amp Cable Size at 300 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 800A at 300 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 800A over 300m at 230V (voltage drop: 6.42V or 2.79%).
What is the power capacity of 800A at 230V?
At unity power factor, 800A at 230V supports 184.0 kW with a standard 800A circuit breaker.
Related Lengths & Currents (230V)
800A · 5m (230V)800A · 10m (230V)800A · 15m (230V)800A · 20m (230V)800A · 25m (230V)800A · 30m (230V)800A · 35m (230V)800A · 40m (230V)800A · 45m (230V)800A · 50m (230V)800A · 60m (230V)800A · 70m (230V)10A · 300m (230V)16A · 300m (230V)20A · 300m (230V)25A · 300m (230V)32A · 300m (230V)40A · 300m (230V)50A · 300m (230V)63A · 300m (230V)80A · 300m (230V)100A · 300m (230V)125A · 300m (230V)160A · 300m (230V)200A · 300m (230V)