500 Amp Cable Size at 500 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 500 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)19× 400 mm²Drop: 1.41V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 44.12V (91.93%)
Voltage at Load46.6 VLine Loss: 703.9 W
Max Power & Breaker24.0 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 500A at 500m
| 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 | 7133.33 V (14861.11%) | 0.0 V | 11766.67 V (24513.89%) | 3566666.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4280.0 V (8916.67%) | 0.0 V | 7060.0 V (14708.33%) | 2140000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2675.0 V (5572.92%) | 0.0 V | 4412.5 V (9192.71%) | 1337500.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1783.33 V (3715.28%) | 0.0 V | 2941.67 V (6128.47%) | 891666.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 1070.0 V (2229.17%) | 0.0 V | 1765.0 V (3677.08%) | 535000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 668.75 V (1393.23%) | 0.0 V | 1103.12 V (2298.18%) | 334375.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 428.0 V (891.67%) | 0.0 V | 706.0 V (1470.83%) | 214000.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 305.71 V (636.9%) | 0.0 V | 504.29 V (1050.6%) | 152857.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 214.0 V (445.83%) | 0.0 V | 353.0 V (735.42%) | 107000.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 152.86 V (318.45%) | 0.0 V | 252.14 V (525.3%) | 76428.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 112.63 V (234.65%) | 0.0 V | 185.79 V (387.06%) | 56315.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 89.17 V (185.76%) | 0.0 V | 147.08 V (306.42%) | 44583.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 71.33 V (148.61%) | 0.0 V | 117.67 V (245.14%) | 35666.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 57.84 V (120.5%) | 0.0 V | 95.41 V (198.76%) | 28918.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 44.58 V (92.88%) | 3.4 V | 73.54 V (153.21%) | 22291.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 35.67 V (74.31%) | 12.3 V | 58.83 V (122.57%) | 17833.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 26.75 V (55.73%) | 21.2 V | 44.12 V (91.93%) | 13375.0 W | Drop High |
FAQ — 500 Amp Cable Size at 500 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 500A at 500 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 19× 400 mm² copper cable for 500A over 500m at 48V (voltage drop: 1.41V or 2.93%).
What is the power capacity of 500A at 48V?
At unity power factor, 500A at 48V supports 24.0 kW with a standard 500A circuit breaker.
Related Lengths & Currents (48V)
500A · 5m (48V)500A · 10m (48V)500A · 15m (48V)500A · 20m (48V)500A · 25m (48V)500A · 30m (48V)500A · 35m (48V)500A · 40m (48V)500A · 45m (48V)500A · 50m (48V)500A · 60m (48V)500A · 70m (48V)10A · 500m (48V)16A · 500m (48V)20A · 500m (48V)25A · 500m (48V)32A · 500m (48V)40A · 500m (48V)50A · 500m (48V)63A · 500m (48V)80A · 500m (48V)100A · 500m (48V)125A · 500m (48V)160A · 500m (48V)200A · 500m (48V)