550 Amp Cable Size at 200 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 200 m (656.2 ft).
Copper Cable (≤3% Drop)9× 400 mm²Drop: 1.31V (2.72%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 19.41V (40.45%)
Voltage at Load46.7 VLine Loss: 719.3 W
Max Power & Breaker26.4 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 200m
| 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 | 3138.67 V (6538.89%) | 0.0 V | 5177.33 V (10786.11%) | 1726266.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1883.2 V (3923.33%) | 0.0 V | 3106.4 V (6471.67%) | 1035760.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1177.0 V (2452.08%) | 0.0 V | 1941.5 V (4044.79%) | 647350.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 784.67 V (1634.72%) | 0.0 V | 1294.33 V (2696.53%) | 431566.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 470.8 V (980.83%) | 0.0 V | 776.6 V (1617.92%) | 258940.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 294.25 V (613.02%) | 0.0 V | 485.38 V (1011.2%) | 161837.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 188.32 V (392.33%) | 0.0 V | 310.64 V (647.17%) | 103576.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 134.51 V (280.24%) | 0.0 V | 221.89 V (462.26%) | 73982.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 94.16 V (196.17%) | 0.0 V | 155.32 V (323.58%) | 51788.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 67.26 V (140.12%) | 0.0 V | 110.94 V (231.13%) | 36991.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 49.56 V (103.25%) | 0.0 V | 81.75 V (170.31%) | 27256.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 39.23 V (81.74%) | 8.8 V | 64.72 V (134.83%) | 21578.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 31.39 V (65.39%) | 16.6 V | 51.77 V (107.86%) | 17262.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 25.45 V (53.02%) | 22.6 V | 41.98 V (87.45%) | 13996.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 19.62 V (40.87%) | 28.4 V | 32.36 V (67.41%) | 10789.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 15.69 V (32.69%) | 32.3 V | 25.89 V (53.93%) | 8631.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 11.77 V (24.52%) | 36.2 V | 19.41 V (40.45%) | 6473.5 W | Drop High |
FAQ — 550 Amp Cable Size at 200 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 550A at 200 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 9× 400 mm² copper cable for 550A over 200m at 48V (voltage drop: 1.31V or 2.72%).
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 · 200m (48V)16A · 200m (48V)20A · 200m (48V)25A · 200m (48V)32A · 200m (48V)40A · 200m (48V)50A · 200m (48V)63A · 200m (48V)80A · 200m (48V)100A · 200m (48V)125A · 200m (48V)160A · 200m (48V)200A · 200m (48V)