550 Amp Cable Size at 100 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 100 m (328.1 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 5.1V (1.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.41V (2.03%)
Voltage at Load409.9 VLine Loss: 4855.1 W
Max Power & Breaker395.34 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 100m
| 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 | 1359.08 V (327.49%) | 0.0 V | 2241.85 V (540.21%) | 1294700.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 815.45 V (196.49%) | 0.0 V | 1345.11 V (324.12%) | 776820.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 509.66 V (122.81%) | 0.0 V | 840.69 V (202.58%) | 485512.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 339.77 V (81.87%) | 75.2 V | 560.46 V (135.05%) | 323675.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 203.86 V (49.12%) | 211.1 V | 336.28 V (81.03%) | 194205.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 127.41 V (30.7%) | 287.6 V | 210.17 V (50.64%) | 121378.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 81.54 V (19.65%) | 333.5 V | 134.51 V (32.41%) | 77682.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 58.25 V (14.04%) | 356.8 V | 96.08 V (23.15%) | 55487.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 40.77 V (9.82%) | 374.2 V | 67.26 V (16.21%) | 38841.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 29.12 V (7.02%) | 385.9 V | 48.04 V (11.58%) | 27743.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 21.46 V (5.17%) | 393.5 V | 35.4 V (8.53%) | 20442.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.99 V (4.09%) | 398.0 V | 28.02 V (6.75%) | 16183.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 13.59 V (3.27%) | 401.4 V | 22.42 V (5.4%) | 12947.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 11.02 V (2.66%) | 404.0 V | 18.18 V (4.38%) | 10497.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.49 V (2.05%) | 406.5 V | 14.01 V (3.38%) | 8091.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.8 V (1.64%) | 408.2 V | 11.21 V (2.7%) | 6473.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.1 V (1.23%) | 409.9 V | 8.41 V (2.03%) | 4855.1 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 100 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 550A at 100 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 100m at 415V (voltage drop: 5.1V or 1.23%).
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 · 10m (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 · 100m (415V)16A · 100m (415V)20A · 100m (415V)25A · 100m (415V)32A · 100m (415V)40A · 100m (415V)50A · 100m (415V)63A · 100m (415V)80A · 100m (415V)100A · 100m (415V)125A · 100m (415V)160A · 100m (415V)200A · 100m (415V)