550 Amp Cable Size at 10 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 550 A over 10 m (32.8 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 0.51V (0.12%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.84V (0.2%)
Voltage at Load414.5 VLine Loss: 485.5 W
Max Power & Breaker395.34 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 10m
| 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 | 135.91 V (32.75%) | 279.1 V | 224.19 V (54.02%) | 129470.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 81.54 V (19.65%) | 333.5 V | 134.51 V (32.41%) | 77682.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 50.97 V (12.28%) | 364.0 V | 84.07 V (20.26%) | 48551.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 33.98 V (8.19%) | 381.0 V | 56.05 V (13.51%) | 32367.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 20.39 V (4.91%) | 394.6 V | 33.63 V (8.1%) | 19420.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 12.74 V (3.07%) | 402.3 V | 21.02 V (5.06%) | 12137.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 8.15 V (1.96%) | 406.8 V | 13.45 V (3.24%) | 7768.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 5.82 V (1.4%) | 409.2 V | 9.61 V (2.32%) | 5548.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.08 V (0.98%) | 410.9 V | 6.73 V (1.62%) | 3884.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.91 V (0.7%) | 412.1 V | 4.8 V (1.16%) | 2774.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.15 V (0.52%) | 412.9 V | 3.54 V (0.85%) | 2044.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.7 V (0.41%) | 413.3 V | 2.8 V (0.68%) | 1618.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.36 V (0.33%) | 413.6 V | 2.24 V (0.54%) | 1294.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.1 V (0.27%) | 413.9 V | 1.82 V (0.44%) | 1049.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.85 V (0.2%) | 414.2 V | 1.4 V (0.34%) | 809.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.68 V (0.16%) | 414.3 V | 1.12 V (0.27%) | 647.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.51 V (0.12%) | 414.5 V | 0.84 V (0.2%) | 485.5 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 10 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 550A at 10 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 550A over 10m at 415V (voltage drop: 0.51V or 0.12%).
What is the power capacity of 550A at 415V?
At unity power factor, 550A at 415V supports 395.34 kW with a standard 600A circuit breaker.
Related Lengths & Currents (415V)
550A · 5m (415V)550A · 15m (415V)550A · 20m (415V)550A · 25m (415V)550A · 30m (415V)550A · 35m (415V)550A · 40m (415V)550A · 45m (415V)550A · 50m (415V)550A · 60m (415V)550A · 70m (415V)10A · 10m (415V)16A · 10m (415V)20A · 10m (415V)25A · 10m (415V)32A · 10m (415V)40A · 10m (415V)50A · 10m (415V)63A · 10m (415V)80A · 10m (415V)100A · 10m (415V)125A · 10m (415V)160A · 10m (415V)200A · 10m (415V)