35 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 35 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 1.05V (2.18%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 1.24V (2.57%)
Voltage at Load47.0 VLine Loss: 36.7 W
Max Power & Breaker1.68 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A 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 | 34.95 V (72.82%) | 13.0 V | 57.66 V (120.12%) | 1223.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 20.97 V (43.69%) | 27.0 V | 34.59 V (72.07%) | 734.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 13.11 V (27.31%) | 34.9 V | 21.62 V (45.04%) | 458.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 8.74 V (18.2%) | 39.3 V | 14.41 V (30.03%) | 305.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 5.24 V (10.92%) | 42.8 V | 8.65 V (18.02%) | 183.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 3.28 V (6.83%) | 44.7 V | 5.41 V (11.26%) | 114.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.1 V (4.37%) | 45.9 V | 3.46 V (7.21%) | 73.4 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 1.5 V (3.12%) | 46.5 V | 2.47 V (5.15%) | 52.4 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 1.05 V (2.18%) | 47.0 V | 1.73 V (3.6%) | 36.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.75 V (1.56%) | 47.3 V | 1.24 V (2.57%) | 26.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.55 V (1.15%) | 47.4 V | 0.91 V (1.9%) | 19.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.44 V (0.91%) | 47.6 V | 0.72 V (1.5%) | 15.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.35 V (0.73%) | 47.7 V | 0.58 V (1.2%) | 12.2 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.28 V (0.59%) | 47.7 V | 0.47 V (0.97%) | 9.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.22 V (0.46%) | 47.8 V | 0.36 V (0.75%) | 7.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.17 V (0.36%) | 47.8 V | 0.29 V (0.6%) | 6.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.13 V (0.27%) | 47.9 V | 0.22 V (0.45%) | 4.6 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 35 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 35A at 35 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 35A over 35m at 48V (voltage drop: 1.05V or 2.18%).
What is the power capacity of 35A at 48V?
At unity power factor, 35A at 48V supports 1.68 kW with a standard 35A circuit breaker.
Related Lengths & Currents (48V)
35A · 5m (48V)35A · 10m (48V)35A · 15m (48V)35A · 20m (48V)35A · 25m (48V)35A · 30m (48V)35A · 40m (48V)35A · 45m (48V)35A · 50m (48V)35A · 60m (48V)35A · 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)