800 Amp Cable Size at 50 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 800 A over 50 m (164.0 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 1.85V (0.47%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.11V (1.53%)
Voltage at Load398.1 VLine Loss: 2568.0 W
Max Power & Breaker554.26 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 50m
| 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 | 988.42 V (247.11%) | 0.0 V | 1630.44 V (407.61%) | 1369600.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 593.05 V (148.26%) | 0.0 V | 978.26 V (244.57%) | 821760.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 370.66 V (92.66%) | 29.3 V | 611.41 V (152.85%) | 513600.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 247.11 V (61.78%) | 152.9 V | 407.61 V (101.9%) | 342400.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 148.26 V (37.07%) | 251.7 V | 244.57 V (61.14%) | 205440.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 92.66 V (23.17%) | 307.3 V | 152.85 V (38.21%) | 128400.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 59.31 V (14.83%) | 340.7 V | 97.83 V (24.46%) | 82176.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 42.36 V (10.59%) | 357.6 V | 69.88 V (17.47%) | 58697.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 29.65 V (7.41%) | 370.3 V | 48.91 V (12.23%) | 41088.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 21.18 V (5.3%) | 378.8 V | 34.94 V (8.73%) | 29348.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 15.61 V (3.9%) | 384.4 V | 25.74 V (6.44%) | 21625.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 12.36 V (3.09%) | 387.6 V | 20.38 V (5.1%) | 17120.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 9.88 V (2.47%) | 390.1 V | 16.3 V (4.08%) | 13696.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 8.01 V (2.0%) | 392.0 V | 13.22 V (3.3%) | 11104.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 6.18 V (1.54%) | 393.8 V | 10.19 V (2.55%) | 8560.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 4.94 V (1.24%) | 395.1 V | 8.15 V (2.04%) | 6848.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 5136.0 W | Drop High |
FAQ — 800 Amp Cable Size at 50 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 800A at 50 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 800A over 50m at 400V (voltage drop: 1.85V or 0.47%).
What is the power capacity of 800A at 400V?
At unity power factor, 800A at 400V supports 554.26 kW with a standard 800A circuit breaker.
Related Lengths & Currents (400V)
800A · 5m (400V)800A · 10m (400V)800A · 15m (400V)800A · 20m (400V)800A · 25m (400V)800A · 30m (400V)800A · 35m (400V)800A · 40m (400V)800A · 45m (400V)800A · 60m (400V)800A · 70m (400V)10A · 50m (400V)16A · 50m (400V)20A · 50m (400V)25A · 50m (400V)32A · 50m (400V)40A · 50m (400V)50A · 50m (400V)63A · 50m (400V)80A · 50m (400V)100A · 50m (400V)125A · 50m (400V)160A · 50m (400V)200A · 50m (400V)