375 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 375 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 1.07V (2.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.29V (11.03%)
Voltage at Load46.9 VLine Loss: 401.3 W
Max Power & Breaker18.0 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 80m
| 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 | 856.0 V (1783.33%) | 0.0 V | 1412.0 V (2941.67%) | 321000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 513.6 V (1070.0%) | 0.0 V | 847.2 V (1765.0%) | 192600.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 321.0 V (668.75%) | 0.0 V | 529.5 V (1103.12%) | 120375.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 214.0 V (445.83%) | 0.0 V | 353.0 V (735.42%) | 80250.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 128.4 V (267.5%) | 0.0 V | 211.8 V (441.25%) | 48150.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 80.25 V (167.19%) | 0.0 V | 132.38 V (275.78%) | 30093.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 51.36 V (107.0%) | 0.0 V | 84.72 V (176.5%) | 19260.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 36.69 V (76.43%) | 11.3 V | 60.51 V (126.07%) | 13757.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 25.68 V (53.5%) | 22.3 V | 42.36 V (88.25%) | 9630.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 18.34 V (38.21%) | 29.7 V | 30.26 V (63.04%) | 6878.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 13.52 V (28.16%) | 34.5 V | 22.29 V (46.45%) | 5068.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 10.7 V (22.29%) | 37.3 V | 17.65 V (36.77%) | 4012.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 8.56 V (17.83%) | 39.4 V | 14.12 V (29.42%) | 3210.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 6.94 V (14.46%) | 41.1 V | 11.45 V (23.85%) | 2602.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 5.35 V (11.15%) | 42.6 V | 8.82 V (18.39%) | 2006.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 4.28 V (8.92%) | 43.7 V | 7.06 V (14.71%) | 1605.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 3.21 V (6.69%) | 44.8 V | 5.29 V (11.03%) | 1203.8 W | Drop High |
FAQ — 375 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 375A at 80 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 375A over 80m at 48V (voltage drop: 1.07V or 2.23%).
What is the power capacity of 375A at 48V?
At unity power factor, 375A at 48V supports 18.0 kW with a standard 400A circuit breaker.
Related Lengths & Currents (48V)
375A · 5m (48V)375A · 10m (48V)375A · 15m (48V)375A · 20m (48V)375A · 25m (48V)375A · 30m (48V)375A · 35m (48V)375A · 40m (48V)375A · 45m (48V)375A · 50m (48V)375A · 60m (48V)375A · 70m (48V)10A · 80m (48V)16A · 80m (48V)20A · 80m (48V)25A · 80m (48V)32A · 80m (48V)40A · 80m (48V)50A · 80m (48V)63A · 80m (48V)80A · 80m (48V)100A · 80m (48V)125A · 80m (48V)160A · 80m (48V)200A · 80m (48V)