225 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 225 A over 45 m (147.6 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 1.08V (2.26%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.79V (3.72%)
Voltage at Load46.9 VLine Loss: 243.8 W
Max Power & Breaker10.8 kW225A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A 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 | 288.9 V (601.88%) | 0.0 V | 476.55 V (992.81%) | 65002.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 173.34 V (361.12%) | 0.0 V | 285.93 V (595.69%) | 39001.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 108.34 V (225.7%) | 0.0 V | 178.71 V (372.3%) | 24375.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 72.23 V (150.47%) | 0.0 V | 119.14 V (248.2%) | 16250.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 43.34 V (90.28%) | 4.7 V | 71.48 V (148.92%) | 9750.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 27.08 V (56.43%) | 20.9 V | 44.68 V (93.08%) | 6094.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 17.33 V (36.11%) | 30.7 V | 28.59 V (59.57%) | 3900.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 12.38 V (25.79%) | 35.6 V | 20.42 V (42.55%) | 2785.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.67 V (18.06%) | 39.3 V | 14.3 V (29.78%) | 1950.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.19 V (12.9%) | 41.8 V | 10.21 V (21.27%) | 1392.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.56 V (9.5%) | 43.4 V | 7.52 V (15.68%) | 1026.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.61 V (7.52%) | 44.4 V | 5.96 V (12.41%) | 812.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.89 V (6.02%) | 45.1 V | 4.77 V (9.93%) | 650.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.34 V (4.88%) | 45.7 V | 3.86 V (8.05%) | 527.0 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 1.81 V (3.76%) | 46.2 V | 2.98 V (6.21%) | 406.3 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 1.44 V (3.01%) | 46.6 V | 2.38 V (4.96%) | 325.0 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 1.08 V (2.26%) | 46.9 V | 1.79 V (3.72%) | 243.8 W | ✓ OK (≤3%) |
FAQ — 225 Amp Cable Size at 45 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 225A at 45 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 225A over 45m at 48V (voltage drop: 1.08V or 2.26%).
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 · 15m (48V)225A · 20m (48V)225A · 25m (48V)225A · 30m (48V)225A · 35m (48V)225A · 40m (48V)225A · 50m (48V)225A · 60m (48V)225A · 70m (48V)10A · 45m (48V)16A · 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)