550 Amp Cable Size at 80 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 80 m (262.5 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.18V (2.45%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.77V (16.18%)
Voltage at Load46.8 VLine Loss: 647.4 W
Max Power & Breaker26.4 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 80m
| 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 | 1255.47 V (2615.56%) | 0.0 V | 2070.93 V (4314.44%) | 690506.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 753.28 V (1569.33%) | 0.0 V | 1242.56 V (2588.67%) | 414304.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 470.8 V (980.83%) | 0.0 V | 776.6 V (1617.92%) | 258940.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 313.87 V (653.89%) | 0.0 V | 517.73 V (1078.61%) | 172626.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 188.32 V (392.33%) | 0.0 V | 310.64 V (647.17%) | 103576.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 117.7 V (245.21%) | 0.0 V | 194.15 V (404.48%) | 64735.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 75.33 V (156.93%) | 0.0 V | 124.26 V (258.87%) | 41430.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 53.81 V (112.1%) | 0.0 V | 88.75 V (184.9%) | 29593.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 37.66 V (78.47%) | 10.3 V | 62.13 V (129.43%) | 20715.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 26.9 V (56.05%) | 21.1 V | 44.38 V (92.45%) | 14796.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 19.82 V (41.3%) | 28.2 V | 32.7 V (68.12%) | 10902.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 15.69 V (32.69%) | 32.3 V | 25.89 V (53.93%) | 8631.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.55 V (26.16%) | 35.4 V | 20.71 V (43.14%) | 6905.1 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.18 V (21.21%) | 37.8 V | 16.79 V (34.98%) | 5598.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 7.85 V (16.35%) | 40.2 V | 12.94 V (26.97%) | 4315.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.28 V (13.08%) | 41.7 V | 10.35 V (21.57%) | 3452.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.71 V (9.81%) | 43.3 V | 7.77 V (16.18%) | 2589.4 W | Drop High |
FAQ — 550 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 80 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 550A over 80m 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 · 80m (48V)16A · 80m (48V)20A · 80m (48V)25A · 80m (48V)32A · 80m (48V)40A · 80m (48V)50A · 80m (48V)63A · 80m (48V)80A · 80m (48V)100A · 80m (48V)125A · 80m (48V)160A · 80m (48V)200A · 80m (48V)