175 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 175 A over 15 m (49.2 ft).
Copper Cable (≤3% Drop)95 mm²Drop: 1.18V (2.46%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 1.24V (2.57%)
Voltage at Load46.8 VLine Loss: 207.0 W
Max Power & Breaker8.4 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A 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 | 74.9 V (156.04%) | 0.0 V | 123.55 V (257.4%) | 13107.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 44.94 V (93.63%) | 3.1 V | 74.13 V (154.44%) | 7864.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 28.09 V (58.52%) | 19.9 V | 46.33 V (96.52%) | 4915.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 18.72 V (39.01%) | 29.3 V | 30.89 V (64.35%) | 3276.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 11.24 V (23.41%) | 36.8 V | 18.53 V (38.61%) | 1966.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 7.02 V (14.63%) | 41.0 V | 11.58 V (24.13%) | 1228.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 4.49 V (9.36%) | 43.5 V | 7.41 V (15.44%) | 786.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.21 V (6.69%) | 44.8 V | 5.29 V (11.03%) | 561.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.25 V (4.68%) | 45.8 V | 3.71 V (7.72%) | 393.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.6 V (3.34%) | 46.4 V | 2.65 V (5.52%) | 280.9 W | ~ ≤5% |
| 95 mm² | 232 A | 181 A | 1.18 V (2.46%) | 46.8 V | 1.95 V (4.06%) | 207.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.94 V (1.95%) | 47.1 V | 1.54 V (3.22%) | 163.8 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.75 V (1.56%) | 47.3 V | 1.24 V (2.57%) | 131.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.61 V (1.27%) | 47.4 V | 1.0 V (2.09%) | 106.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.47 V (0.98%) | 47.5 V | 0.77 V (1.61%) | 81.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.37 V (0.78%) | 47.6 V | 0.62 V (1.29%) | 65.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.28 V (0.59%) | 47.7 V | 0.46 V (0.97%) | 49.2 W | ✓ OK (≤3%) |
FAQ — 175 Amp Cable Size at 15 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 175A at 15 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 175A over 15m at 48V (voltage drop: 1.18V or 2.46%).
What is the power capacity of 175A at 48V?
At unity power factor, 175A at 48V supports 8.4 kW with a standard 175A circuit breaker.
Related Lengths & Currents (48V)
175A · 5m (48V)175A · 10m (48V)175A · 20m (48V)175A · 25m (48V)175A · 30m (48V)175A · 35m (48V)175A · 40m (48V)175A · 45m (48V)175A · 50m (48V)175A · 60m (48V)175A · 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)