475 Amp Cable Size at 5 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 0.29V (0.07%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.36V (0.09%)
Voltage at Load399.7 VLine Loss: 241.4 W
Max Power & Breaker329.09 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 5m
| 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 | 58.69 V (14.67%) | 341.3 V | 96.81 V (24.2%) | 48283.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 35.21 V (8.8%) | 364.8 V | 58.08 V (14.52%) | 28970.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 22.01 V (5.5%) | 378.0 V | 36.3 V (9.08%) | 18106.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 14.67 V (3.67%) | 385.3 V | 24.2 V (6.05%) | 12070.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 8.8 V (2.2%) | 391.2 V | 14.52 V (3.63%) | 7242.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 5.5 V (1.38%) | 394.5 V | 9.08 V (2.27%) | 4526.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 3.52 V (0.88%) | 396.5 V | 5.81 V (1.45%) | 2897.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 2.52 V (0.63%) | 397.5 V | 4.15 V (1.04%) | 2069.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.76 V (0.44%) | 398.2 V | 2.9 V (0.73%) | 1448.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.26 V (0.31%) | 398.7 V | 2.07 V (0.52%) | 1034.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 0.93 V (0.23%) | 399.1 V | 1.53 V (0.38%) | 762.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 0.73 V (0.18%) | 399.3 V | 1.21 V (0.3%) | 603.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.59 V (0.15%) | 399.4 V | 0.97 V (0.24%) | 482.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.48 V (0.12%) | 399.5 V | 0.78 V (0.2%) | 391.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.37 V (0.09%) | 399.6 V | 0.61 V (0.15%) | 301.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.29 V (0.07%) | 399.7 V | 0.48 V (0.12%) | 241.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.22 V (0.06%) | 399.8 V | 0.36 V (0.09%) | 181.1 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 5 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 475A at 5 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 475A over 5m at 400V (voltage drop: 0.29V or 0.07%).
What is the power capacity of 475A at 400V?
At unity power factor, 475A at 400V supports 329.09 kW with a standard 500A circuit breaker.
Related Lengths & Currents (400V)
475A · 10m (400V)475A · 15m (400V)475A · 20m (400V)475A · 25m (400V)475A · 30m (400V)475A · 35m (400V)475A · 40m (400V)475A · 45m (400V)475A · 50m (400V)475A · 60m (400V)475A · 70m (400V)10A · 5m (400V)16A · 5m (400V)20A · 5m (400V)25A · 5m (400V)32A · 5m (400V)40A · 5m (400V)50A · 5m (400V)63A · 5m (400V)80A · 5m (400V)100A · 5m (400V)125A · 5m (400V)160A · 5m (400V)200A · 5m (400V)