550 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 550 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)15× 400 mm²Drop: 1.37V (2.86%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 33.98V (70.78%)
Voltage at Load46.6 VLine Loss: 755.2 W
Max Power & Breaker26.4 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 350m
| 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 | 5492.67 V (11443.06%) | 0.0 V | 9060.33 V (18875.69%) | 3020966.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3295.6 V (6865.83%) | 0.0 V | 5436.2 V (11325.42%) | 1812580.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2059.75 V (4291.15%) | 0.0 V | 3397.62 V (7078.39%) | 1132862.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1373.17 V (2860.76%) | 0.0 V | 2265.08 V (4718.92%) | 755241.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 823.9 V (1716.46%) | 0.0 V | 1359.05 V (2831.35%) | 453145.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 514.94 V (1072.79%) | 0.0 V | 849.41 V (1769.6%) | 283215.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 329.56 V (686.58%) | 0.0 V | 543.62 V (1132.54%) | 181258.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 235.4 V (490.42%) | 0.0 V | 388.3 V (808.96%) | 129470.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 164.78 V (343.29%) | 0.0 V | 271.81 V (566.27%) | 90629.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 117.7 V (245.21%) | 0.0 V | 194.15 V (404.48%) | 64735.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 86.73 V (180.68%) | 0.0 V | 143.06 V (298.04%) | 47699.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 68.66 V (143.04%) | 0.0 V | 113.25 V (235.95%) | 37762.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 54.93 V (114.43%) | 0.0 V | 90.6 V (188.76%) | 30209.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 44.54 V (92.78%) | 3.5 V | 73.46 V (153.05%) | 24494.3 W | Drop High |
| 240 mm² | 415 A | 324 A | 34.33 V (71.52%) | 13.7 V | 56.63 V (117.97%) | 18881.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 27.46 V (57.22%) | 20.5 V | 45.3 V (94.38%) | 15104.8 W | Drop High |
| 400 mm² | 570 A | 445 A | 20.6 V (42.91%) | 27.4 V | 33.98 V (70.78%) | 11328.6 W | Drop High |
FAQ — 550 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 350 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 15× 400 mm² copper cable for 550A over 350m at 48V (voltage drop: 1.37V or 2.86%).
What is the power capacity of 550A at 48V?
At unity power factor, 550A at 48V supports 26.4 kW with a standard 600A circuit breaker.
Related Lengths & Currents (48V)
550A · 5m (48V)550A · 10m (48V)550A · 15m (48V)550A · 20m (48V)550A · 25m (48V)550A · 30m (48V)550A · 35m (48V)550A · 40m (48V)550A · 45m (48V)550A · 50m (48V)550A · 60m (48V)550A · 70m (48V)10A · 350m (48V)16A · 350m (48V)20A · 350m (48V)25A · 350m (48V)32A · 350m (48V)40A · 350m (48V)50A · 350m (48V)63A · 350m (48V)80A · 350m (48V)100A · 350m (48V)125A · 350m (48V)160A · 350m (48V)200A · 350m (48V)