250 Amp Cable Size at 175 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 250 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.17V (2.44%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.72V (16.09%)
Voltage at Load46.8 VLine Loss: 292.6 W
Max Power & Breaker12.0 kW250A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A at 175m
| 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 | 1248.33 V (2600.69%) | 0.0 V | 2059.17 V (4289.93%) | 312083.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 749.0 V (1560.42%) | 0.0 V | 1235.5 V (2573.96%) | 187250.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 468.12 V (975.26%) | 0.0 V | 772.19 V (1608.72%) | 117031.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 312.08 V (650.17%) | 0.0 V | 514.79 V (1072.48%) | 78020.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 187.25 V (390.1%) | 0.0 V | 308.87 V (643.49%) | 46812.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 117.03 V (243.82%) | 0.0 V | 193.05 V (402.18%) | 29257.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 74.9 V (156.04%) | 0.0 V | 123.55 V (257.4%) | 18725.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 53.5 V (111.46%) | 0.0 V | 88.25 V (183.85%) | 13375.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 37.45 V (78.02%) | 10.6 V | 61.77 V (128.7%) | 9362.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 26.75 V (55.73%) | 21.3 V | 44.12 V (91.93%) | 6687.5 W | Drop High |
| 95 mm² | 232 A | 181 A | 19.71 V (41.06%) | 28.3 V | 32.51 V (67.74%) | 4927.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 15.6 V (32.51%) | 32.4 V | 25.74 V (53.62%) | 3901.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.48 V (26.01%) | 35.5 V | 20.59 V (42.9%) | 3120.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.12 V (21.09%) | 37.9 V | 16.7 V (34.78%) | 2530.4 W | Drop High |
| 240 mm² | 415 A | 324 A | 7.8 V (16.25%) | 40.2 V | 12.87 V (26.81%) | 1950.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.24 V (13.0%) | 41.8 V | 10.3 V (21.45%) | 1560.4 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.68 V (9.75%) | 43.3 V | 7.72 V (16.09%) | 1170.3 W | Drop High |
FAQ — 250 Amp Cable Size at 175 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 250A at 175 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 250A over 175m at 48V (voltage drop: 1.17V or 2.44%).
What is the power capacity of 250A at 48V?
At unity power factor, 250A at 48V supports 12.0 kW with a standard 250A circuit breaker.
Related Lengths & Currents (48V)
250A · 5m (48V)250A · 10m (48V)250A · 15m (48V)250A · 20m (48V)250A · 25m (48V)250A · 30m (48V)250A · 35m (48V)250A · 40m (48V)250A · 45m (48V)250A · 50m (48V)250A · 60m (48V)250A · 70m (48V)10A · 175m (48V)16A · 175m (48V)20A · 175m (48V)25A · 175m (48V)32A · 175m (48V)40A · 175m (48V)50A · 175m (48V)63A · 175m (48V)80A · 175m (48V)100A · 175m (48V)125A · 175m (48V)160A · 175m (48V)200A · 175m (48V)