425 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 425 A over 100 m (328.1 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.14V (2.37%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.5V (15.63%)
Voltage at Load46.9 VLine Loss: 483.2 W
Max Power & Breaker20.4 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 100m
| 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 | 1212.67 V (2526.39%) | 0.0 V | 2000.33 V (4167.36%) | 515383.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 727.6 V (1515.83%) | 0.0 V | 1200.2 V (2500.42%) | 309230.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 454.75 V (947.4%) | 0.0 V | 750.12 V (1562.76%) | 193268.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 303.17 V (631.6%) | 0.0 V | 500.08 V (1041.84%) | 128845.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 181.9 V (378.96%) | 0.0 V | 300.05 V (625.1%) | 77307.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 113.69 V (236.85%) | 0.0 V | 187.53 V (390.69%) | 48317.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 72.76 V (151.58%) | 0.0 V | 120.02 V (250.04%) | 30923.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 51.97 V (108.27%) | 0.0 V | 85.73 V (178.6%) | 22087.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 36.38 V (75.79%) | 11.6 V | 60.01 V (125.02%) | 15461.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 25.99 V (54.14%) | 22.0 V | 42.86 V (89.3%) | 11043.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 19.15 V (39.89%) | 28.9 V | 31.58 V (65.8%) | 8137.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 15.16 V (31.58%) | 32.8 V | 25.0 V (52.09%) | 6442.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.13 V (25.26%) | 35.9 V | 20.0 V (41.67%) | 5153.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 9.83 V (20.48%) | 38.2 V | 16.22 V (33.79%) | 4178.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 7.58 V (15.79%) | 40.4 V | 12.5 V (26.05%) | 3221.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.06 V (12.63%) | 41.9 V | 10.0 V (20.84%) | 2576.9 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.55 V (9.47%) | 43.5 V | 7.5 V (15.63%) | 1932.7 W | Drop High |
FAQ — 425 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 425A at 100 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 425A over 100m at 48V (voltage drop: 1.14V or 2.37%).
What is the power capacity of 425A at 48V?
At unity power factor, 425A at 48V supports 20.4 kW with a standard 450A circuit breaker.
Related Lengths & Currents (48V)
425A · 5m (48V)425A · 10m (48V)425A · 15m (48V)425A · 20m (48V)425A · 25m (48V)425A · 30m (48V)425A · 35m (48V)425A · 40m (48V)425A · 45m (48V)425A · 50m (48V)425A · 60m (48V)425A · 70m (48V)10A · 100m (48V)16A · 100m (48V)20A · 100m (48V)25A · 100m (48V)32A · 100m (48V)40A · 100m (48V)50A · 100m (48V)63A · 100m (48V)80A · 100m (48V)100A · 100m (48V)125A · 100m (48V)160A · 100m (48V)200A · 100m (48V)