900 Amp Cable Size at 50 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 50 m (164.0 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.2V (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 7.94V (16.55%)
Voltage at Load46.8 VLine Loss: 1083.4 W
Max Power & Breaker43.2 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 50m
| 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 | 1284.0 V (2675.0%) | 0.0 V | 2118.0 V (4412.5%) | 1155600.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 770.4 V (1605.0%) | 0.0 V | 1270.8 V (2647.5%) | 693360.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 481.5 V (1003.12%) | 0.0 V | 794.25 V (1654.69%) | 433350.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 321.0 V (668.75%) | 0.0 V | 529.5 V (1103.12%) | 288900.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 192.6 V (401.25%) | 0.0 V | 317.7 V (661.88%) | 173340.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 120.37 V (250.78%) | 0.0 V | 198.56 V (413.67%) | 108337.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 77.04 V (160.5%) | 0.0 V | 127.08 V (264.75%) | 69336.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 55.03 V (114.64%) | 0.0 V | 90.77 V (189.11%) | 49525.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 38.52 V (80.25%) | 9.5 V | 63.54 V (132.38%) | 34668.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 27.51 V (57.32%) | 20.5 V | 45.39 V (94.55%) | 24762.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 20.27 V (42.24%) | 27.7 V | 33.44 V (69.67%) | 18246.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.05 V (33.44%) | 32.0 V | 26.47 V (55.16%) | 14445.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 12.84 V (26.75%) | 35.2 V | 21.18 V (44.12%) | 11556.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 10.41 V (21.69%) | 37.6 V | 17.17 V (35.78%) | 9369.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.02 V (16.72%) | 40.0 V | 13.24 V (27.58%) | 7222.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.42 V (13.37%) | 41.6 V | 10.59 V (22.06%) | 5778.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.81 V (10.03%) | 43.2 V | 7.94 V (16.55%) | 4333.5 W | Drop High |
FAQ — 900 Amp Cable Size at 50 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 900A at 50 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 900A over 50m at 48V (voltage drop: 1.2V or 2.51%).
What is the power capacity of 900A at 48V?
At unity power factor, 900A at 48V supports 43.2 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (48V)
900A · 5m (48V)900A · 10m (48V)900A · 15m (48V)900A · 20m (48V)900A · 25m (48V)900A · 30m (48V)900A · 35m (48V)900A · 40m (48V)900A · 45m (48V)900A · 60m (48V)900A · 70m (48V)10A · 50m (48V)16A · 50m (48V)20A · 50m (48V)25A · 50m (48V)32A · 50m (48V)40A · 50m (48V)50A · 50m (48V)63A · 50m (48V)80A · 50m (48V)100A · 50m (48V)125A · 50m (48V)160A · 50m (48V)200A · 50m (48V)