550 Amp Cable Size at 500 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 500 m (1640.4 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 8.49V (2.05%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 42.03V (10.13%)
Voltage at Load406.5 VLine Loss: 8091.9 W
Max Power & Breaker395.34 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 500m
| 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 | 6795.41 V (1637.45%) | 0.0 V | 11209.26 V (2701.03%) | 6473500.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4077.25 V (982.47%) | 0.0 V | 6725.55 V (1620.62%) | 3884100.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2548.28 V (614.04%) | 0.0 V | 4203.47 V (1012.88%) | 2427562.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1698.85 V (409.36%) | 0.0 V | 2802.31 V (675.26%) | 1618375.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1019.31 V (245.62%) | 0.0 V | 1681.39 V (405.15%) | 971025.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 637.07 V (153.51%) | 0.0 V | 1050.87 V (253.22%) | 606890.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 407.72 V (98.25%) | 7.3 V | 672.56 V (162.06%) | 388410.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 291.23 V (70.18%) | 123.8 V | 480.4 V (115.76%) | 277435.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 203.86 V (49.12%) | 211.1 V | 336.28 V (81.03%) | 194205.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 145.62 V (35.09%) | 269.4 V | 240.2 V (57.88%) | 138717.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 107.3 V (25.85%) | 307.7 V | 176.99 V (42.65%) | 102213.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 84.94 V (20.47%) | 330.1 V | 140.12 V (33.76%) | 80918.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 67.95 V (16.37%) | 347.0 V | 112.09 V (27.01%) | 64735.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 55.1 V (13.28%) | 359.9 V | 90.89 V (21.9%) | 52487.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 42.47 V (10.23%) | 372.5 V | 70.06 V (16.88%) | 40459.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 33.98 V (8.19%) | 381.0 V | 56.05 V (13.51%) | 32367.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 25.48 V (6.14%) | 389.5 V | 42.03 V (10.13%) | 24275.6 W | Drop High |
FAQ — 550 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 550A at 500 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 550A over 500m at 415V (voltage drop: 8.49V or 2.05%).
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 · 500m (415V)16A · 500m (415V)20A · 500m (415V)25A · 500m (415V)32A · 500m (415V)40A · 500m (415V)50A · 500m (415V)63A · 500m (415V)80A · 500m (415V)100A · 500m (415V)125A · 500m (415V)160A · 500m (415V)200A · 500m (415V)