16 Amp Cable Size at 45 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 45 m (147.6 ft).
Copper Cable (≤3% Drop)25 mm²Drop: 1.23V (2.57%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 1.02V (2.12%)
Voltage at Load46.8 VLine Loss: 19.7 W
Max Power & Breaker0.77 kW16A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 45m
| 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 | 20.54 V (42.8%) | 27.5 V | 33.89 V (70.6%) | 328.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 12.33 V (25.68%) | 35.7 V | 20.33 V (42.36%) | 197.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 7.7 V (16.05%) | 40.3 V | 12.71 V (26.47%) | 123.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 5.14 V (10.7%) | 42.9 V | 8.47 V (17.65%) | 82.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 3.08 V (6.42%) | 44.9 V | 5.08 V (10.59%) | 49.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 1.93 V (4.01%) | 46.1 V | 3.18 V (6.62%) | 30.8 W | ~ ≤5% |
| 25 mm² | 101 A | 78 A | 1.23 V (2.57%) | 46.8 V | 2.03 V (4.24%) | 19.7 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.88 V (1.83%) | 47.1 V | 1.45 V (3.03%) | 14.1 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.62 V (1.28%) | 47.4 V | 1.02 V (2.12%) | 9.9 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.44 V (0.92%) | 47.6 V | 0.73 V (1.51%) | 7.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.32 V (0.68%) | 47.7 V | 0.54 V (1.11%) | 5.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.26 V (0.53%) | 47.7 V | 0.42 V (0.88%) | 4.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.21 V (0.43%) | 47.8 V | 0.34 V (0.71%) | 3.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.17 V (0.35%) | 47.8 V | 0.27 V (0.57%) | 2.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.13 V (0.27%) | 47.9 V | 0.21 V (0.44%) | 2.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.1 V (0.21%) | 47.9 V | 0.17 V (0.35%) | 1.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.08 V (0.16%) | 47.9 V | 0.13 V (0.26%) | 1.2 W | ✓ OK (≤3%) |
FAQ — 16 Amp Cable Size at 45 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 16A at 45 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 25 mm² copper cable for 16A over 45m at 48V (voltage drop: 1.23V or 2.57%).
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 · 50m (48V)16A · 60m (48V)16A · 70m (48V)10A · 45m (48V)20A · 45m (48V)25A · 45m (48V)32A · 45m (48V)40A · 45m (48V)50A · 45m (48V)63A · 45m (48V)80A · 45m (48V)100A · 45m (48V)125A · 45m (48V)160A · 45m (48V)200A · 45m (48V)