225 Amp Cable Size at 15 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 225 A over 15 m (49.2 ft).
Copper Cable (≤3% Drop)120 mm²Drop: 1.2V (2.51%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 1.29V (2.68%)
Voltage at Load46.8 VLine Loss: 270.8 W
Max Power & Breaker10.8 kW225A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 15m
| 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 | 96.3 V (200.62%) | 0.0 V | 158.85 V (330.94%) | 21667.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 57.78 V (120.38%) | 0.0 V | 95.31 V (198.56%) | 13000.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 36.11 V (75.23%) | 11.9 V | 59.57 V (124.1%) | 8125.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 24.07 V (50.16%) | 23.9 V | 39.71 V (82.73%) | 5416.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 14.45 V (30.09%) | 33.6 V | 23.83 V (49.64%) | 3250.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 9.03 V (18.81%) | 39.0 V | 14.89 V (31.03%) | 2031.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 5.78 V (12.04%) | 42.2 V | 9.53 V (19.86%) | 1300.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 4.13 V (8.6%) | 43.9 V | 6.81 V (14.18%) | 928.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.89 V (6.02%) | 45.1 V | 4.77 V (9.93%) | 650.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 2.06 V (4.3%) | 45.9 V | 3.4 V (7.09%) | 464.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.52 V (3.17%) | 46.5 V | 2.51 V (5.23%) | 342.1 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 1.2 V (2.51%) | 46.8 V | 1.99 V (4.14%) | 270.8 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.96 V (2.01%) | 47.0 V | 1.59 V (3.31%) | 216.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.78 V (1.63%) | 47.2 V | 1.29 V (2.68%) | 175.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.6 V (1.25%) | 47.4 V | 0.99 V (2.07%) | 135.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.48 V (1.0%) | 47.5 V | 0.79 V (1.65%) | 108.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.36 V (0.75%) | 47.6 V | 0.6 V (1.24%) | 81.3 W | ✓ OK (≤3%) |
FAQ — 225 Amp Cable Size at 15 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 225A at 15 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 120 mm² copper cable for 225A over 15m at 48V (voltage drop: 1.2V or 2.51%).
What is the power capacity of 225A at 48V?
At unity power factor, 225A at 48V supports 10.8 kW with a standard 225A circuit breaker.
Related Lengths & Currents (48V)
225A · 5m (48V)225A · 10m (48V)225A · 20m (48V)225A · 25m (48V)225A · 30m (48V)225A · 35m (48V)225A · 40m (48V)225A · 45m (48V)225A · 50m (48V)225A · 60m (48V)225A · 70m (48V)10A · 15m (48V)16A · 15m (48V)20A · 15m (48V)25A · 15m (48V)32A · 15m (48V)40A · 15m (48V)50A · 15m (48V)63A · 15m (48V)80A · 15m (48V)100A · 15m (48V)125A · 15m (48V)160A · 15m (48V)200A · 15m (48V)