750 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 750 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.2V (0.42%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.66V (1.38%)
Voltage at Load47.8 VLine Loss: 150.4 W
Max Power & Breaker36.0 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A at 5m
| 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 | 107.0 V (222.92%) | 0.0 V | 176.5 V (367.71%) | 80250.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 64.2 V (133.75%) | 0.0 V | 105.9 V (220.62%) | 48150.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 40.12 V (83.59%) | 7.9 V | 66.19 V (137.89%) | 30093.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 26.75 V (55.73%) | 21.2 V | 44.12 V (91.93%) | 20062.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 16.05 V (33.44%) | 31.9 V | 26.47 V (55.16%) | 12037.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 10.03 V (20.9%) | 38.0 V | 16.55 V (34.47%) | 7523.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 6.42 V (13.38%) | 41.6 V | 10.59 V (22.06%) | 4815.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 4.59 V (9.55%) | 43.4 V | 7.56 V (15.76%) | 3439.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 3.21 V (6.69%) | 44.8 V | 5.29 V (11.03%) | 2407.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.29 V (4.78%) | 45.7 V | 3.78 V (7.88%) | 1719.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.69 V (3.52%) | 46.3 V | 2.79 V (5.81%) | 1267.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.34 V (2.79%) | 46.7 V | 2.21 V (4.6%) | 1003.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.07 V (2.23%) | 46.9 V | 1.76 V (3.68%) | 802.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.87 V (1.81%) | 47.1 V | 1.43 V (2.98%) | 650.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.67 V (1.39%) | 47.3 V | 1.1 V (2.3%) | 501.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.53 V (1.11%) | 47.5 V | 0.88 V (1.84%) | 401.2 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.4 V (0.84%) | 47.6 V | 0.66 V (1.38%) | 300.9 W | Drop High |
FAQ — 750 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 750A at 5 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 750A over 5m at 48V (voltage drop: 0.2V or 0.42%).
What is the power capacity of 750A at 48V?
At unity power factor, 750A at 48V supports 36.0 kW with a standard 800A circuit breaker.
Related Lengths & Currents (48V)
750A · 10m (48V)750A · 15m (48V)750A · 20m (48V)750A · 25m (48V)750A · 30m (48V)750A · 35m (48V)750A · 40m (48V)750A · 45m (48V)750A · 50m (48V)750A · 60m (48V)750A · 70m (48V)10A · 5m (48V)16A · 5m (48V)20A · 5m (48V)25A · 5m (48V)32A · 5m (48V)40A · 5m (48V)50A · 5m (48V)63A · 5m (48V)80A · 5m (48V)100A · 5m (48V)125A · 5m (48V)160A · 5m (48V)200A · 5m (48V)