550 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy 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 (0.07%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.84V (0.12%)
Voltage at Load689.5 VLine Loss: 485.5 W
Max Power & Breaker657.31 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 (19.7%) | 554.1 V | 224.19 V (32.49%) | 129470.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 81.54 V (11.82%) | 608.5 V | 134.51 V (19.49%) | 77682.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 50.97 V (7.39%) | 639.0 V | 84.07 V (12.18%) | 48551.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 33.98 V (4.92%) | 656.0 V | 56.05 V (8.12%) | 32367.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 20.39 V (2.95%) | 669.6 V | 33.63 V (4.87%) | 19420.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 12.74 V (1.85%) | 677.3 V | 21.02 V (3.05%) | 12137.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 8.15 V (1.18%) | 681.8 V | 13.45 V (1.95%) | 7768.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 5.82 V (0.84%) | 684.2 V | 9.61 V (1.39%) | 5548.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.08 V (0.59%) | 685.9 V | 6.73 V (0.97%) | 3884.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.91 V (0.42%) | 687.1 V | 4.8 V (0.7%) | 2774.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.15 V (0.31%) | 687.9 V | 3.54 V (0.51%) | 2044.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.7 V (0.25%) | 688.3 V | 2.8 V (0.41%) | 1618.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.36 V (0.2%) | 688.6 V | 2.24 V (0.32%) | 1294.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.1 V (0.16%) | 688.9 V | 1.82 V (0.26%) | 1049.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.85 V (0.12%) | 689.2 V | 1.4 V (0.2%) | 809.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.68 V (0.1%) | 689.3 V | 1.12 V (0.16%) | 647.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.51 V (0.07%) | 689.5 V | 0.84 V (0.12%) | 485.5 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 550A at 10 meters (690V)?
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 690V (voltage drop: 0.51V or 0.07%).
What is the power capacity of 550A at 690V?
At unity power factor, 550A at 690V supports 657.31 kW with a standard 600A circuit breaker.
Related Lengths & Currents (690V)
550A · 5m (690V)550A · 15m (690V)550A · 20m (690V)550A · 25m (690V)550A · 30m (690V)550A · 35m (690V)550A · 40m (690V)550A · 45m (690V)550A · 50m (690V)550A · 60m (690V)550A · 70m (690V)10A · 10m (690V)16A · 10m (690V)20A · 10m (690V)25A · 10m (690V)32A · 10m (690V)40A · 10m (690V)50A · 10m (690V)63A · 10m (690V)80A · 10m (690V)100A · 10m (690V)125A · 10m (690V)160A · 10m (690V)200A · 10m (690V)