250 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 250 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.34V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.82V (18.39%)
Voltage at Load46.7 VLine Loss: 334.4 W
Max Power & Breaker12.0 kW250A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A 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 | 1426.67 V (2972.22%) | 0.0 V | 2353.33 V (4902.78%) | 356666.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 856.0 V (1783.33%) | 0.0 V | 1412.0 V (2941.67%) | 214000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 535.0 V (1114.58%) | 0.0 V | 882.5 V (1838.54%) | 133750.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 356.67 V (743.06%) | 0.0 V | 588.33 V (1225.69%) | 89166.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 214.0 V (445.83%) | 0.0 V | 353.0 V (735.42%) | 53500.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 133.75 V (278.65%) | 0.0 V | 220.62 V (459.64%) | 33437.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 85.6 V (178.33%) | 0.0 V | 141.2 V (294.17%) | 21400.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 61.14 V (127.38%) | 0.0 V | 100.86 V (210.12%) | 15285.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 42.8 V (89.17%) | 5.2 V | 70.6 V (147.08%) | 10700.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 30.57 V (63.69%) | 17.4 V | 50.43 V (105.06%) | 7642.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 22.53 V (46.93%) | 25.5 V | 37.16 V (77.41%) | 5631.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 17.83 V (37.15%) | 30.2 V | 29.42 V (61.28%) | 4458.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 14.27 V (29.72%) | 33.7 V | 23.53 V (49.03%) | 3566.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 11.57 V (24.1%) | 36.4 V | 19.08 V (39.75%) | 2891.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.92 V (18.58%) | 39.1 V | 14.71 V (30.64%) | 2229.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 7.13 V (14.86%) | 40.9 V | 11.77 V (24.51%) | 1783.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.35 V (11.15%) | 42.6 V | 8.82 V (18.39%) | 1337.5 W | Drop High |
FAQ — 250 Amp Cable Size at 200 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 250A at 200 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 200m at 48V (voltage drop: 1.34V or 2.79%).
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 · 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)