32 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 32 A over 100 m (328.1 ft).
Copper Cable (≤3% Drop)120 mm²Drop: 1.14V (2.38%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 1.22V (2.54%)
Voltage at Load46.9 VLine Loss: 36.5 W
Max Power & Breaker1.54 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 100m
| 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 | 91.31 V (190.22%) | 0.0 V | 150.61 V (313.78%) | 2921.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 54.78 V (114.13%) | 0.0 V | 90.37 V (188.27%) | 1753.1 W | Drop High |
| 4 mm² | 32 A | 25 A | 34.24 V (71.33%) | 13.8 V | 56.48 V (117.67%) | 1095.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 22.83 V (47.56%) | 25.2 V | 37.65 V (78.44%) | 730.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 13.7 V (28.53%) | 34.3 V | 22.59 V (47.07%) | 438.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 8.56 V (17.83%) | 39.4 V | 14.12 V (29.42%) | 273.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 5.48 V (11.41%) | 42.5 V | 9.04 V (18.83%) | 175.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.91 V (8.15%) | 44.1 V | 6.45 V (13.45%) | 125.2 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.74 V (5.71%) | 45.3 V | 4.52 V (9.41%) | 87.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.96 V (4.08%) | 46.0 V | 3.23 V (6.72%) | 62.6 W | ~ ≤5% |
| 95 mm² | 232 A | 181 A | 1.44 V (3.0%) | 46.6 V | 2.38 V (4.95%) | 46.1 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 1.14 V (2.38%) | 46.9 V | 1.88 V (3.92%) | 36.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.91 V (1.9%) | 47.1 V | 1.51 V (3.14%) | 29.2 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.74 V (1.54%) | 47.3 V | 1.22 V (2.54%) | 23.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.57 V (1.19%) | 47.4 V | 0.94 V (1.96%) | 18.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.46 V (0.95%) | 47.5 V | 0.75 V (1.57%) | 14.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.34 V (0.71%) | 47.7 V | 0.56 V (1.18%) | 11.0 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 32A at 100 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 120 mm² copper cable for 32A over 100m at 48V (voltage drop: 1.14V or 2.38%).
What is the power capacity of 32A at 48V?
At unity power factor, 32A at 48V supports 1.54 kW with a standard 32A circuit breaker.
Related Lengths & Currents (48V)
32A · 5m (48V)32A · 10m (48V)32A · 15m (48V)32A · 20m (48V)32A · 25m (48V)32A · 30m (48V)32A · 35m (48V)32A · 40m (48V)32A · 45m (48V)32A · 50m (48V)32A · 60m (48V)32A · 70m (48V)10A · 100m (48V)16A · 100m (48V)20A · 100m (48V)25A · 100m (48V)40A · 100m (48V)50A · 100m (48V)63A · 100m (48V)80A · 100m (48V)100A · 100m (48V)125A · 100m (48V)160A · 100m (48V)200A · 100m (48V)