325 Amp Cable Size at 35 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 325 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 1.22V (2.54%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.01V (4.18%)
Voltage at Load46.8 VLine Loss: 395.6 W
Max Power & Breaker15.6 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 35m
| 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 | 324.57 V (676.18%) | 0.0 V | 535.38 V (1115.38%) | 105484.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 194.74 V (405.71%) | 0.0 V | 321.23 V (669.23%) | 63290.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 121.71 V (253.57%) | 0.0 V | 200.77 V (418.27%) | 39556.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 81.14 V (169.05%) | 0.0 V | 133.85 V (278.85%) | 26371.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 48.68 V (101.43%) | 0.0 V | 80.31 V (167.31%) | 15822.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 30.43 V (63.39%) | 17.6 V | 50.19 V (104.57%) | 9889.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 19.47 V (40.57%) | 28.5 V | 32.12 V (66.92%) | 6329.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 13.91 V (28.98%) | 34.1 V | 22.95 V (47.8%) | 4520.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 9.74 V (20.29%) | 38.3 V | 16.06 V (33.46%) | 3164.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.96 V (14.49%) | 41.0 V | 11.47 V (23.9%) | 2260.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.12 V (10.68%) | 42.9 V | 8.45 V (17.61%) | 1665.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.06 V (8.45%) | 43.9 V | 6.69 V (13.94%) | 1318.6 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.25 V (6.76%) | 44.8 V | 5.35 V (11.15%) | 1054.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.63 V (5.48%) | 45.4 V | 4.34 V (9.04%) | 855.3 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.03 V (4.23%) | 46.0 V | 3.35 V (6.97%) | 659.3 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 1.62 V (3.38%) | 46.4 V | 2.68 V (5.58%) | 527.4 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 1.22 V (2.54%) | 46.8 V | 2.01 V (4.18%) | 395.6 W | ✓ OK (≤3%) |
FAQ — 325 Amp Cable Size at 35 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 325A at 35 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 325A over 35m at 48V (voltage drop: 1.22V or 2.54%).
What is the power capacity of 325A at 48V?
At unity power factor, 325A at 48V supports 15.6 kW with a standard 350A circuit breaker.
Related Lengths & Currents (48V)
325A · 5m (48V)325A · 10m (48V)325A · 15m (48V)325A · 20m (48V)325A · 25m (48V)325A · 30m (48V)325A · 40m (48V)325A · 45m (48V)325A · 50m (48V)325A · 60m (48V)325A · 70m (48V)10A · 35m (48V)16A · 35m (48V)20A · 35m (48V)25A · 35m (48V)32A · 35m (48V)40A · 35m (48V)50A · 35m (48V)63A · 35m (48V)80A · 35m (48V)100A · 35m (48V)125A · 35m (48V)160A · 35m (48V)200A · 35m (48V)