1000 Amp Cable Size at 400 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 1000 A over 400 m (1312.3 ft).
Copper Cable (≤3% Drop)30× 400 mm²Drop: 1.43V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 70.6V (147.08%)
Voltage at Load46.6 VLine Loss: 1426.7 W
Max Power & Breaker48.0 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 1000A at 400m
| 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 | 11413.33 V (23777.78%) | 0.0 V | 18826.67 V (39222.22%) | 11413333.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 6848.0 V (14266.67%) | 0.0 V | 11296.0 V (23533.33%) | 6848000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4280.0 V (8916.67%) | 0.0 V | 7060.0 V (14708.33%) | 4280000.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2853.33 V (5944.44%) | 0.0 V | 4706.67 V (9805.56%) | 2853333.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 1712.0 V (3566.67%) | 0.0 V | 2824.0 V (5883.33%) | 1712000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1070.0 V (2229.17%) | 0.0 V | 1765.0 V (3677.08%) | 1070000.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 684.8 V (1426.67%) | 0.0 V | 1129.6 V (2353.33%) | 684800.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 489.14 V (1019.05%) | 0.0 V | 806.86 V (1680.95%) | 489142.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 342.4 V (713.33%) | 0.0 V | 564.8 V (1176.67%) | 342400.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 244.57 V (509.52%) | 0.0 V | 403.43 V (840.48%) | 244571.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 180.21 V (375.44%) | 0.0 V | 297.26 V (619.3%) | 180210.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 142.67 V (297.22%) | 0.0 V | 235.33 V (490.28%) | 142666.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 114.13 V (237.78%) | 0.0 V | 188.27 V (392.22%) | 114133.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 92.54 V (192.79%) | 0.0 V | 152.65 V (318.02%) | 92540.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 71.33 V (148.61%) | 0.0 V | 117.67 V (245.14%) | 71333.3 W | Drop High |
| 300 mm² | 477 A | 372 A | 57.07 V (118.89%) | 0.0 V | 94.13 V (196.11%) | 57066.7 W | Drop High |
| 400 mm² | 570 A | 445 A | 42.8 V (89.17%) | 5.2 V | 70.6 V (147.08%) | 42800.0 W | Drop High |
FAQ — 1000 Amp Cable Size at 400 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 1000A at 400 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 30× 400 mm² copper cable for 1000A over 400m at 48V (voltage drop: 1.43V or 2.97%).
What is the power capacity of 1000A at 48V?
At unity power factor, 1000A at 48V supports 48.0 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (48V)
1000A · 5m (48V)1000A · 10m (48V)1000A · 15m (48V)1000A · 20m (48V)1000A · 25m (48V)1000A · 30m (48V)1000A · 35m (48V)1000A · 40m (48V)1000A · 45m (48V)1000A · 50m (48V)1000A · 60m (48V)1000A · 70m (48V)10A · 400m (48V)16A · 400m (48V)20A · 400m (48V)25A · 400m (48V)32A · 400m (48V)40A · 400m (48V)50A · 400m (48V)63A · 400m (48V)80A · 400m (48V)100A · 400m (48V)125A · 400m (48V)160A · 400m (48V)200A · 400m (48V)