5 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 5 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)6 mm²Drop: 1.25V (2.6%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 1.24V (2.57%)
Voltage at Load46.8 VLine Loss: 6.2 W
Max Power & Breaker0.24 kW6A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A 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 | 4.99 V (10.4%) | 43.0 V | 8.24 V (17.16%) | 25.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3.0 V (6.24%) | 45.0 V | 4.94 V (10.3%) | 15.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1.87 V (3.9%) | 46.1 V | 3.09 V (6.43%) | 9.4 W | ~ ≤5% |
| 6 mm² | 41 A | 32 A | 1.25 V (2.6%) | 46.8 V | 2.06 V (4.29%) | 6.2 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 0.75 V (1.56%) | 47.3 V | 1.24 V (2.57%) | 3.7 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 0.47 V (0.98%) | 47.5 V | 0.77 V (1.61%) | 2.3 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.3 V (0.62%) | 47.7 V | 0.49 V (1.03%) | 1.5 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.21 V (0.45%) | 47.8 V | 0.35 V (0.74%) | 1.1 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.15 V (0.31%) | 47.9 V | 0.25 V (0.51%) | 0.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.11 V (0.22%) | 47.9 V | 0.18 V (0.37%) | 0.5 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.08 V (0.16%) | 47.9 V | 0.13 V (0.27%) | 0.4 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.06 V (0.13%) | 47.9 V | 0.1 V (0.21%) | 0.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.05 V (0.1%) | 48.0 V | 0.08 V (0.17%) | 0.2 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.04 V (0.08%) | 48.0 V | 0.07 V (0.14%) | 0.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.03 V (0.07%) | 48.0 V | 0.05 V (0.11%) | 0.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.02 V (0.05%) | 48.0 V | 0.04 V (0.09%) | 0.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.02 V (0.04%) | 48.0 V | 0.03 V (0.06%) | 0.1 W | ✓ OK (≤3%) |
FAQ — 5 Amp Cable Size at 35 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 5A at 35 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6 mm² copper cable for 5A over 35m at 48V (voltage drop: 1.25V or 2.6%).
What is the power capacity of 5A at 48V?
At unity power factor, 5A at 48V supports 0.24 kW with a standard 6A circuit breaker.
Related Lengths & Currents (48V)
5A · 5m (48V)5A · 10m (48V)5A · 15m (48V)5A · 20m (48V)5A · 25m (48V)5A · 30m (48V)5A · 40m (48V)5A · 45m (48V)5A · 50m (48V)5A · 60m (48V)5A · 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)