32 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 32 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 1.2V (2.5%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.98V (4.12%)
Voltage at Load46.8 VLine Loss: 38.3 W
Max Power & Breaker1.54 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A 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 | 319.57 V (665.78%) | 0.0 V | 527.15 V (1098.22%) | 10226.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 191.74 V (399.47%) | 0.0 V | 316.29 V (658.93%) | 6135.8 W | Drop High |
| 4 mm² | 32 A | 25 A | 119.84 V (249.67%) | 0.0 V | 197.68 V (411.83%) | 3834.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 79.89 V (166.44%) | 0.0 V | 131.79 V (274.56%) | 2556.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 47.94 V (99.87%) | 0.1 V | 79.07 V (164.73%) | 1534.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 29.96 V (62.42%) | 18.0 V | 49.42 V (102.96%) | 958.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 19.17 V (39.95%) | 28.8 V | 31.63 V (65.89%) | 613.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 13.7 V (28.53%) | 34.3 V | 22.59 V (47.07%) | 438.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 9.59 V (19.97%) | 38.4 V | 15.81 V (32.95%) | 306.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.85 V (14.27%) | 41.2 V | 11.3 V (23.53%) | 219.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.05 V (10.51%) | 43.0 V | 8.32 V (17.34%) | 161.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.99 V (8.32%) | 44.0 V | 6.59 V (13.73%) | 127.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.2 V (6.66%) | 44.8 V | 5.27 V (10.98%) | 102.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.59 V (5.4%) | 45.4 V | 4.27 V (8.9%) | 82.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.0 V (4.16%) | 46.0 V | 3.29 V (6.86%) | 63.9 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 1.6 V (3.33%) | 46.4 V | 2.64 V (5.49%) | 51.1 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 1.2 V (2.5%) | 46.8 V | 1.98 V (4.12%) | 38.3 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 32A at 350 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 32A over 350m at 48V (voltage drop: 1.2V or 2.5%).
What is the power capacity of 32A at 48V?
At unity power factor, 32A at 48V supports 1.54 kW with a standard 32A circuit breaker.
Related Lengths & Currents (48V)
32A · 5m (48V)32A · 10m (48V)32A · 15m (48V)32A · 20m (48V)32A · 25m (48V)32A · 30m (48V)32A · 35m (48V)32A · 40m (48V)32A · 45m (48V)32A · 50m (48V)32A · 60m (48V)32A · 70m (48V)10A · 350m (48V)16A · 350m (48V)20A · 350m (48V)25A · 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)