800 Amp Cable Size at 120 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 120 m (393.7 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 5.13V (2.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 16.94V (7.37%)
Voltage at Load224.9 VLine Loss: 4108.8 W
Max Power & Breaker184.0 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 120m
| 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 | 2739.2 V (1190.96%) | 0.0 V | 4518.4 V (1964.52%) | 2191360.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1643.52 V (714.57%) | 0.0 V | 2711.04 V (1178.71%) | 1314816.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1027.2 V (446.61%) | 0.0 V | 1694.4 V (736.7%) | 821760.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 684.8 V (297.74%) | 0.0 V | 1129.6 V (491.13%) | 547840.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 410.88 V (178.64%) | 0.0 V | 677.76 V (294.68%) | 328704.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 205440.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 164.35 V (71.46%) | 65.6 V | 271.1 V (117.87%) | 131481.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 117.39 V (51.04%) | 112.6 V | 193.65 V (84.19%) | 93915.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 82.18 V (35.73%) | 147.8 V | 135.55 V (58.94%) | 65740.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 58.7 V (25.52%) | 171.3 V | 96.82 V (42.1%) | 46957.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 43.25 V (18.8%) | 186.7 V | 71.34 V (31.02%) | 34600.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 34.24 V (14.89%) | 195.8 V | 56.48 V (24.56%) | 27392.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 27.39 V (11.91%) | 202.6 V | 45.18 V (19.65%) | 21913.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 22.21 V (9.66%) | 207.8 V | 36.64 V (15.93%) | 17767.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 17.12 V (7.44%) | 212.9 V | 28.24 V (12.28%) | 13696.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 13.7 V (5.95%) | 216.3 V | 22.59 V (9.82%) | 10956.8 W | Drop High |
| 400 mm² | 570 A | 445 A | 10.27 V (4.47%) | 219.7 V | 16.94 V (7.37%) | 8217.6 W | Drop High |
FAQ — 800 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 800A at 120 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 800A over 120m at 230V (voltage drop: 5.13V or 2.23%).
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 · 120m (230V)16A · 120m (230V)20A · 120m (230V)25A · 120m (230V)32A · 120m (230V)40A · 120m (230V)50A · 120m (230V)63A · 120m (230V)80A · 120m (230V)100A · 120m (230V)125A · 120m (230V)160A · 120m (230V)200A · 120m (230V)