32 Amp Cable Size at 10 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 10 m (32.8 ft).
Copper Cable (≤3% Drop)10 mm²Drop: 1.37V (2.85%)
Aluminum Cable (≤3% Drop)16 mm²Drop: 1.41V (2.94%)
Voltage at Load46.6 VLine Loss: 43.8 W
Max Power & Breaker1.54 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 10m
| 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 | 9.13 V (19.02%) | 38.9 V | 15.06 V (31.38%) | 292.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 5.48 V (11.41%) | 42.5 V | 9.04 V (18.83%) | 175.3 W | Drop High |
| 4 mm² | 32 A | 25 A | 3.42 V (7.13%) | 44.6 V | 5.65 V (11.77%) | 109.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 2.28 V (4.76%) | 45.7 V | 3.77 V (7.84%) | 73.0 W | ~ ≤5% |
| 10 mm² | 57 A | 44 A | 1.37 V (2.85%) | 46.6 V | 2.26 V (4.71%) | 43.8 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 0.86 V (1.78%) | 47.1 V | 1.41 V (2.94%) | 27.4 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.55 V (1.14%) | 47.5 V | 0.9 V (1.88%) | 17.5 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.39 V (0.82%) | 47.6 V | 0.65 V (1.34%) | 12.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.27 V (0.57%) | 47.7 V | 0.45 V (0.94%) | 8.8 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.2 V (0.41%) | 47.8 V | 0.32 V (0.67%) | 6.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.14 V (0.3%) | 47.9 V | 0.24 V (0.5%) | 4.6 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.11 V (0.24%) | 47.9 V | 0.19 V (0.39%) | 3.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.09 V (0.19%) | 47.9 V | 0.15 V (0.31%) | 2.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.07 V (0.15%) | 47.9 V | 0.12 V (0.25%) | 2.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.06 V (0.12%) | 47.9 V | 0.09 V (0.2%) | 1.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.05 V (0.1%) | 48.0 V | 0.08 V (0.16%) | 1.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.03 V (0.07%) | 48.0 V | 0.06 V (0.12%) | 1.1 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 10 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 32A at 10 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10 mm² copper cable for 32A over 10m at 48V (voltage drop: 1.37V or 2.85%).
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 · 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 · 10m (48V)16A · 10m (48V)20A · 10m (48V)25A · 10m (48V)40A · 10m (48V)50A · 10m (48V)63A · 10m (48V)80A · 10m (48V)100A · 10m (48V)125A · 10m (48V)160A · 10m (48V)200A · 10m (48V)