550 Amp Cable Size at 10 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 10 m (32.8 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 0.59V (1.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.97V (2.02%)
Voltage at Load47.4 VLine Loss: 323.7 W
Max Power & Breaker26.4 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 | 156.93 V (326.94%) | 0.0 V | 258.87 V (539.31%) | 86313.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 94.16 V (196.17%) | 0.0 V | 155.32 V (323.58%) | 51788.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 58.85 V (122.6%) | 0.0 V | 97.07 V (202.24%) | 32367.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 39.23 V (81.74%) | 8.8 V | 64.72 V (134.83%) | 21578.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 23.54 V (49.04%) | 24.5 V | 38.83 V (80.9%) | 12947.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 14.71 V (30.65%) | 33.3 V | 24.27 V (50.56%) | 8091.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 9.42 V (19.62%) | 38.6 V | 15.53 V (32.36%) | 5178.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 6.73 V (14.01%) | 41.3 V | 11.09 V (23.11%) | 3699.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.71 V (9.81%) | 43.3 V | 7.77 V (16.18%) | 2589.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 3.36 V (7.01%) | 44.6 V | 5.55 V (11.56%) | 1849.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.48 V (5.16%) | 45.5 V | 4.09 V (8.52%) | 1362.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.96 V (4.09%) | 46.0 V | 3.24 V (6.74%) | 1078.9 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.57 V (3.27%) | 46.4 V | 2.59 V (5.39%) | 863.1 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.27 V (2.65%) | 46.7 V | 2.1 V (4.37%) | 699.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.98 V (2.04%) | 47.0 V | 1.62 V (3.37%) | 539.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.78 V (1.63%) | 47.2 V | 1.29 V (2.7%) | 431.6 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.59 V (1.23%) | 47.4 V | 0.97 V (2.02%) | 323.7 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 10 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 10 meters (48V)?
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 48V (voltage drop: 0.59V or 1.23%).
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 · 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 · 10m (48V)16A · 10m (48V)20A · 10m (48V)25A · 10m (48V)32A · 10m (48V)40A · 10m (48V)50A · 10m (48V)63A · 10m (48V)80A · 10m (48V)100A · 10m (48V)125A · 10m (48V)160A · 10m (48V)200A · 10m (48V)