300 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 300 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)5× 400 mm²Drop: 1.28V (2.67%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.59V (22.06%)
Voltage at Load46.7 VLine Loss: 385.2 W
Max Power & Breaker14.4 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 300A 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 | 1712.0 V (3566.67%) | 0.0 V | 2824.0 V (5883.33%) | 513600.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1027.2 V (2140.0%) | 0.0 V | 1694.4 V (3530.0%) | 308160.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 642.0 V (1337.5%) | 0.0 V | 1059.0 V (2206.25%) | 192600.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 428.0 V (891.67%) | 0.0 V | 706.0 V (1470.83%) | 128400.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 256.8 V (535.0%) | 0.0 V | 423.6 V (882.5%) | 77040.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 160.5 V (334.37%) | 0.0 V | 264.75 V (551.56%) | 48150.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 102.72 V (214.0%) | 0.0 V | 169.44 V (353.0%) | 30816.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 73.37 V (152.86%) | 0.0 V | 121.03 V (252.14%) | 22011.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 51.36 V (107.0%) | 0.0 V | 84.72 V (176.5%) | 15408.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 36.69 V (76.43%) | 11.3 V | 60.51 V (126.07%) | 11005.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 27.03 V (56.32%) | 21.0 V | 44.59 V (92.89%) | 8109.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 21.4 V (44.58%) | 26.6 V | 35.3 V (73.54%) | 6420.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 17.12 V (35.67%) | 30.9 V | 28.24 V (58.83%) | 5136.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 13.88 V (28.92%) | 34.1 V | 22.9 V (47.7%) | 4164.3 W | Drop High |
| 240 mm² | 415 A | 324 A | 10.7 V (22.29%) | 37.3 V | 17.65 V (36.77%) | 3210.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 8.56 V (17.83%) | 39.4 V | 14.12 V (29.42%) | 2568.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 6.42 V (13.37%) | 41.6 V | 10.59 V (22.06%) | 1926.0 W | Drop High |
FAQ — 300 Amp Cable Size at 200 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 300A at 200 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 5× 400 mm² copper cable for 300A over 200m at 48V (voltage drop: 1.28V or 2.67%).
What is the power capacity of 300A at 48V?
At unity power factor, 300A at 48V supports 14.4 kW with a standard 300A circuit breaker.
Related Lengths & Currents (48V)
300A · 5m (48V)300A · 10m (48V)300A · 15m (48V)300A · 20m (48V)300A · 25m (48V)300A · 30m (48V)300A · 35m (48V)300A · 40m (48V)300A · 45m (48V)300A · 50m (48V)300A · 60m (48V)300A · 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)