16 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 16 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 1.1V (2.28%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 1.29V (2.69%)
Voltage at Load46.9 VLine Loss: 17.5 W
Max Power & Breaker0.77 kW16A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 80m
| 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 | 36.52 V (76.09%) | 11.5 V | 60.25 V (125.51%) | 584.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 21.91 V (45.65%) | 26.1 V | 36.15 V (75.31%) | 350.6 W | Drop High |
| 4 mm² | 32 A | 25 A | 13.7 V (28.53%) | 34.3 V | 22.59 V (47.07%) | 219.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 9.13 V (19.02%) | 38.9 V | 15.06 V (31.38%) | 146.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 5.48 V (11.41%) | 42.5 V | 9.04 V (18.83%) | 87.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 3.42 V (7.13%) | 44.6 V | 5.65 V (11.77%) | 54.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.19 V (4.57%) | 45.8 V | 3.61 V (7.53%) | 35.1 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 1.57 V (3.26%) | 46.4 V | 2.58 V (5.38%) | 25.0 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 1.1 V (2.28%) | 46.9 V | 1.81 V (3.77%) | 17.5 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.78 V (1.63%) | 47.2 V | 1.29 V (2.69%) | 12.5 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.58 V (1.2%) | 47.4 V | 0.95 V (1.98%) | 9.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.46 V (0.95%) | 47.5 V | 0.75 V (1.57%) | 7.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.37 V (0.76%) | 47.6 V | 0.6 V (1.26%) | 5.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.3 V (0.62%) | 47.7 V | 0.49 V (1.02%) | 4.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.23 V (0.48%) | 47.8 V | 0.38 V (0.78%) | 3.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.18 V (0.38%) | 47.8 V | 0.3 V (0.63%) | 2.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.14 V (0.29%) | 47.9 V | 0.23 V (0.47%) | 2.2 W | ✓ OK (≤3%) |
FAQ — 16 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 16A at 80 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 16A over 80m at 48V (voltage drop: 1.1V or 2.28%).
What is the power capacity of 16A at 48V?
At unity power factor, 16A at 48V supports 0.77 kW with a standard 16A circuit breaker.
Related Lengths & Currents (48V)
16A · 5m (48V)16A · 10m (48V)16A · 15m (48V)16A · 20m (48V)16A · 25m (48V)16A · 30m (48V)16A · 35m (48V)16A · 40m (48V)16A · 45m (48V)16A · 50m (48V)16A · 60m (48V)16A · 70m (48V)10A · 80m (48V)20A · 80m (48V)25A · 80m (48V)32A · 80m (48V)40A · 80m (48V)50A · 80m (48V)63A · 80m (48V)80A · 80m (48V)100A · 80m (48V)125A · 80m (48V)160A · 80m (48V)200A · 80m (48V)