300 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 300 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.41V (2.92%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.27V (19.3%)
Voltage at Load46.6 VLine Loss: 421.3 W
Max Power & Breaker14.4 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 300A 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 | 1498.0 V (3120.83%) | 0.0 V | 2471.0 V (5147.92%) | 449400.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 898.8 V (1872.5%) | 0.0 V | 1482.6 V (3088.75%) | 269640.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 561.75 V (1170.31%) | 0.0 V | 926.62 V (1930.47%) | 168525.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 374.5 V (780.21%) | 0.0 V | 617.75 V (1286.98%) | 112350.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 224.7 V (468.12%) | 0.0 V | 370.65 V (772.19%) | 67410.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 140.44 V (292.58%) | 0.0 V | 231.66 V (482.62%) | 42131.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 89.88 V (187.25%) | 0.0 V | 148.26 V (308.87%) | 26964.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 64.2 V (133.75%) | 0.0 V | 105.9 V (220.62%) | 19260.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 44.94 V (93.62%) | 3.1 V | 74.13 V (154.44%) | 13482.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 32.1 V (66.87%) | 15.9 V | 52.95 V (110.31%) | 9630.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 23.65 V (49.28%) | 24.3 V | 39.02 V (81.28%) | 7095.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 18.72 V (39.01%) | 29.3 V | 30.89 V (64.35%) | 5617.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 14.98 V (31.21%) | 33.0 V | 24.71 V (51.48%) | 4494.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 12.15 V (25.3%) | 35.9 V | 20.04 V (41.74%) | 3643.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 9.36 V (19.51%) | 38.6 V | 15.44 V (32.17%) | 2808.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 7.49 V (15.6%) | 40.5 V | 12.35 V (25.74%) | 2247.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.62 V (11.7%) | 42.4 V | 9.27 V (19.3%) | 1685.2 W | Drop High |
FAQ — 300 Amp Cable Size at 175 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 300A 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 300A over 175m at 48V (voltage drop: 1.41V or 2.92%).
What is the power capacity of 300A at 48V?
At unity power factor, 300A at 48V supports 14.4 kW with a standard 300A circuit breaker.
Related Lengths & Currents (48V)
300A · 5m (48V)300A · 10m (48V)300A · 15m (48V)300A · 20m (48V)300A · 25m (48V)300A · 30m (48V)300A · 35m (48V)300A · 40m (48V)300A · 45m (48V)300A · 50m (48V)300A · 60m (48V)300A · 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)