550 Amp Cable Size at 100 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 100 m (328.1 ft).
Copper Cable (≤3% Drop)5× 400 mm²Drop: 1.18V (2.45%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.71V (20.22%)
Voltage at Load46.8 VLine Loss: 647.3 W
Max Power & Breaker26.4 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 | 1569.33 V (3269.44%) | 0.0 V | 2588.67 V (5393.06%) | 863133.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 941.6 V (1961.67%) | 0.0 V | 1553.2 V (3235.83%) | 517880.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 588.5 V (1226.04%) | 0.0 V | 970.75 V (2022.4%) | 323675.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 392.33 V (817.36%) | 0.0 V | 647.17 V (1348.26%) | 215783.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 235.4 V (490.42%) | 0.0 V | 388.3 V (808.96%) | 129470.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 147.12 V (306.51%) | 0.0 V | 242.69 V (505.6%) | 80918.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 94.16 V (196.17%) | 0.0 V | 155.32 V (323.58%) | 51788.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 67.26 V (140.12%) | 0.0 V | 110.94 V (231.13%) | 36991.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 47.08 V (98.08%) | 0.9 V | 77.66 V (161.79%) | 25894.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 33.63 V (70.06%) | 14.4 V | 55.47 V (115.57%) | 18495.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 24.78 V (51.62%) | 23.2 V | 40.87 V (85.15%) | 13628.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 19.62 V (40.87%) | 28.4 V | 32.36 V (67.41%) | 10789.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 15.69 V (32.69%) | 32.3 V | 25.89 V (53.93%) | 8631.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 12.72 V (26.51%) | 35.3 V | 20.99 V (43.73%) | 6998.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 9.81 V (20.43%) | 38.2 V | 16.18 V (33.71%) | 5394.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 7.85 V (16.35%) | 40.2 V | 12.94 V (26.97%) | 4315.7 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.88 V (12.26%) | 42.1 V | 9.71 V (20.22%) | 3236.7 W | Drop High |
FAQ — 550 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 100 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 5× 400 mm² copper cable for 550A over 100m at 48V (voltage drop: 1.18V or 2.45%).
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 · 100m (48V)16A · 100m (48V)20A · 100m (48V)25A · 100m (48V)32A · 100m (48V)40A · 100m (48V)50A · 100m (48V)63A · 100m (48V)80A · 100m (48V)100A · 100m (48V)125A · 100m (48V)160A · 100m (48V)200A · 100m (48V)