550 Amp Cable Size at 90 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 90 m (295.3 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.32V (2.76%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.74V (18.2%)
Voltage at Load46.7 VLine Loss: 728.3 W
Max Power & Breaker26.4 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 90m
| 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 | 1412.4 V (2942.5%) | 0.0 V | 2329.8 V (4853.75%) | 776820.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 847.44 V (1765.5%) | 0.0 V | 1397.88 V (2912.25%) | 466092.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 529.65 V (1103.44%) | 0.0 V | 873.67 V (1820.16%) | 291307.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 353.1 V (735.62%) | 0.0 V | 582.45 V (1213.44%) | 194205.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 211.86 V (441.37%) | 0.0 V | 349.47 V (728.06%) | 116523.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 132.41 V (275.86%) | 0.0 V | 218.42 V (455.04%) | 72826.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 84.74 V (176.55%) | 0.0 V | 139.79 V (291.22%) | 46609.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 60.53 V (126.11%) | 0.0 V | 99.85 V (208.02%) | 33292.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 42.37 V (88.28%) | 5.6 V | 69.89 V (145.61%) | 23304.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 30.27 V (63.05%) | 17.7 V | 49.92 V (104.01%) | 16646.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 22.3 V (46.46%) | 25.7 V | 36.79 V (76.64%) | 12265.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 17.65 V (36.78%) | 30.3 V | 29.12 V (60.67%) | 9710.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 14.12 V (29.42%) | 33.9 V | 23.3 V (48.54%) | 7768.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 11.45 V (23.86%) | 36.5 V | 18.89 V (39.35%) | 6298.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.83 V (18.39%) | 39.2 V | 14.56 V (30.34%) | 4855.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 7.06 V (14.71%) | 40.9 V | 11.65 V (24.27%) | 3884.1 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.3 V (11.03%) | 42.7 V | 8.74 V (18.2%) | 2913.1 W | Drop High |
FAQ — 550 Amp Cable Size at 90 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 90 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 90m at 48V (voltage drop: 1.32V or 2.76%).
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 · 90m (48V)16A · 90m (48V)20A · 90m (48V)25A · 90m (48V)32A · 90m (48V)40A · 90m (48V)50A · 90m (48V)63A · 90m (48V)80A · 90m (48V)100A · 90m (48V)125A · 90m (48V)160A · 90m (48V)200A · 90m (48V)