450 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 450 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)12× 400 mm²Drop: 1.4V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 27.8V (57.91%)
Voltage at Load46.6 VLine Loss: 632.0 W
Max Power & Breaker21.6 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A at 350m
| 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 | 4494.0 V (9362.5%) | 0.0 V | 7413.0 V (15443.75%) | 2022300.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 2696.4 V (5617.5%) | 0.0 V | 4447.8 V (9266.25%) | 1213380.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1685.25 V (3510.94%) | 0.0 V | 2779.87 V (5791.41%) | 758362.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1123.5 V (2340.62%) | 0.0 V | 1853.25 V (3860.94%) | 505575.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 674.1 V (1404.37%) | 0.0 V | 1111.95 V (2316.56%) | 303345.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 421.31 V (877.73%) | 0.0 V | 694.97 V (1447.85%) | 189590.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 269.64 V (561.75%) | 0.0 V | 444.78 V (926.62%) | 121338.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 192.6 V (401.25%) | 0.0 V | 317.7 V (661.88%) | 86670.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 134.82 V (280.88%) | 0.0 V | 222.39 V (463.31%) | 60669.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 96.3 V (200.62%) | 0.0 V | 158.85 V (330.94%) | 43335.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 70.96 V (147.83%) | 0.0 V | 117.05 V (243.85%) | 31931.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 56.17 V (117.03%) | 0.0 V | 92.66 V (193.05%) | 25278.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 44.94 V (93.62%) | 3.1 V | 74.13 V (154.44%) | 20223.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 36.44 V (75.91%) | 11.6 V | 60.11 V (125.22%) | 16397.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 28.09 V (58.52%) | 19.9 V | 46.33 V (96.52%) | 12639.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 22.47 V (46.81%) | 25.5 V | 37.06 V (77.22%) | 10111.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 16.85 V (35.11%) | 31.1 V | 27.8 V (57.91%) | 7583.6 W | Drop High |
FAQ — 450 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 450A at 350 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 12× 400 mm² copper cable for 450A over 350m at 48V (voltage drop: 1.4V or 2.93%).
What is the power capacity of 450A at 48V?
At unity power factor, 450A at 48V supports 21.6 kW with a standard 450A circuit breaker.
Related Lengths & Currents (48V)
450A · 5m (48V)450A · 10m (48V)450A · 15m (48V)450A · 20m (48V)450A · 25m (48V)450A · 30m (48V)450A · 35m (48V)450A · 40m (48V)450A · 45m (48V)450A · 50m (48V)450A · 60m (48V)450A · 70m (48V)10A · 350m (48V)16A · 350m (48V)20A · 350m (48V)25A · 350m (48V)32A · 350m (48V)40A · 350m (48V)50A · 350m (48V)63A · 350m (48V)80A · 350m (48V)100A · 350m (48V)125A · 350m (48V)160A · 350m (48V)200A · 350m (48V)