375 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 375 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 0.29V (0.07%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.29V (0.07%)
Voltage at Load399.7 VLine Loss: 188.1 W
Max Power & Breaker259.81 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A 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 | 46.33 V (11.58%) | 353.7 V | 76.43 V (19.11%) | 30093.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 27.8 V (6.95%) | 372.2 V | 45.86 V (11.46%) | 18056.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 17.37 V (4.34%) | 382.6 V | 28.66 V (7.17%) | 11285.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 11.58 V (2.9%) | 388.4 V | 19.11 V (4.78%) | 7523.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 6.95 V (1.74%) | 393.1 V | 11.46 V (2.87%) | 4514.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 4.34 V (1.09%) | 395.7 V | 7.17 V (1.79%) | 2821.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.78 V (0.69%) | 397.2 V | 4.59 V (1.15%) | 1805.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 1.99 V (0.5%) | 398.0 V | 3.28 V (0.82%) | 1289.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.39 V (0.35%) | 398.6 V | 2.29 V (0.57%) | 902.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 0.99 V (0.25%) | 399.0 V | 1.64 V (0.41%) | 644.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 0.73 V (0.18%) | 399.3 V | 1.21 V (0.3%) | 475.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 0.58 V (0.14%) | 399.4 V | 0.96 V (0.24%) | 376.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.46 V (0.12%) | 399.5 V | 0.76 V (0.19%) | 300.9 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.38 V (0.09%) | 399.6 V | 0.62 V (0.15%) | 244.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.29 V (0.07%) | 399.7 V | 0.48 V (0.12%) | 188.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.23 V (0.06%) | 399.8 V | 0.38 V (0.1%) | 150.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.17 V (0.04%) | 399.8 V | 0.29 V (0.07%) | 112.9 W | ✓ OK (≤3%) |
FAQ — 375 Amp Cable Size at 5 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 375A at 5 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 5m at 400V (voltage drop: 0.29V or 0.07%).
What is the power capacity of 375A at 400V?
At unity power factor, 375A at 400V supports 259.81 kW with a standard 400A circuit breaker.
Related Lengths & Currents (400V)
375A · 10m (400V)375A · 15m (400V)375A · 20m (400V)375A · 25m (400V)375A · 30m (400V)375A · 35m (400V)375A · 40m (400V)375A · 45m (400V)375A · 50m (400V)375A · 60m (400V)375A · 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)