400 Amp Cable Size at 200 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 400 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)6× 400 mm²Drop: 1.43V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 14.12V (29.42%)
Voltage at Load46.6 VLine Loss: 570.7 W
Max Power & Breaker19.2 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 400A at 200m
| 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 | 2282.67 V (4755.56%) | 0.0 V | 3765.33 V (7844.44%) | 913066.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1369.6 V (2853.33%) | 0.0 V | 2259.2 V (4706.67%) | 547840.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 856.0 V (1783.33%) | 0.0 V | 1412.0 V (2941.67%) | 342400.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 570.67 V (1188.89%) | 0.0 V | 941.33 V (1961.11%) | 228266.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 342.4 V (713.33%) | 0.0 V | 564.8 V (1176.67%) | 136960.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 214.0 V (445.83%) | 0.0 V | 353.0 V (735.42%) | 85600.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 136.96 V (285.33%) | 0.0 V | 225.92 V (470.67%) | 54784.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 97.83 V (203.81%) | 0.0 V | 161.37 V (336.19%) | 39131.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 68.48 V (142.67%) | 0.0 V | 112.96 V (235.33%) | 27392.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 48.91 V (101.9%) | 0.0 V | 80.69 V (168.1%) | 19565.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 36.04 V (75.09%) | 12.0 V | 59.45 V (123.86%) | 14416.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 28.53 V (59.44%) | 19.5 V | 47.07 V (98.06%) | 11413.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 22.83 V (47.56%) | 25.2 V | 37.65 V (78.44%) | 9130.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 18.51 V (38.56%) | 29.5 V | 30.53 V (63.6%) | 7403.2 W | Drop High |
| 240 mm² | 415 A | 324 A | 14.27 V (29.72%) | 33.7 V | 23.53 V (49.03%) | 5706.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 11.41 V (23.78%) | 36.6 V | 18.83 V (39.22%) | 4565.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 8.56 V (17.83%) | 39.4 V | 14.12 V (29.42%) | 3424.0 W | Drop High |
FAQ — 400 Amp Cable Size at 200 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 400A at 200 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6× 400 mm² copper cable for 400A over 200m at 48V (voltage drop: 1.43V or 2.97%).
What is the power capacity of 400A at 48V?
At unity power factor, 400A at 48V supports 19.2 kW with a standard 400A circuit breaker.
Related Lengths & Currents (48V)
400A · 5m (48V)400A · 10m (48V)400A · 15m (48V)400A · 20m (48V)400A · 25m (48V)400A · 30m (48V)400A · 35m (48V)400A · 40m (48V)400A · 45m (48V)400A · 50m (48V)400A · 60m (48V)400A · 70m (48V)10A · 200m (48V)16A · 200m (48V)20A · 200m (48V)25A · 200m (48V)32A · 200m (48V)40A · 200m (48V)50A · 200m (48V)63A · 200m (48V)80A · 200m (48V)100A · 200m (48V)125A · 200m (48V)160A · 200m (48V)200A · 200m (48V)