800 Amp Cable Size at 90 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 800 A over 90 m (295.3 ft).
Copper Cable (≤3% Drop)6× 400 mm²Drop: 1.28V (2.68%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.71V (26.47%)
Voltage at Load46.7 VLine Loss: 1027.2 W
Max Power & Breaker38.4 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 90m
| 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 | 2054.4 V (4280.0%) | 0.0 V | 3388.8 V (7060.0%) | 1643520.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1232.64 V (2568.0%) | 0.0 V | 2033.28 V (4236.0%) | 986112.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 770.4 V (1605.0%) | 0.0 V | 1270.8 V (2647.5%) | 616320.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 513.6 V (1070.0%) | 0.0 V | 847.2 V (1765.0%) | 410880.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 308.16 V (642.0%) | 0.0 V | 508.32 V (1059.0%) | 246528.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 192.6 V (401.25%) | 0.0 V | 317.7 V (661.87%) | 154080.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 123.26 V (256.8%) | 0.0 V | 203.33 V (423.6%) | 98611.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 88.05 V (183.43%) | 0.0 V | 145.23 V (302.57%) | 70436.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 61.63 V (128.4%) | 0.0 V | 101.66 V (211.8%) | 49305.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 44.02 V (91.71%) | 4.0 V | 72.62 V (151.29%) | 35218.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 32.44 V (67.58%) | 15.6 V | 53.51 V (111.47%) | 25950.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 25.68 V (53.5%) | 22.3 V | 42.36 V (88.25%) | 20544.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 20.54 V (42.8%) | 27.5 V | 33.89 V (70.6%) | 16435.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 16.66 V (34.7%) | 31.3 V | 27.48 V (57.24%) | 13325.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 12.84 V (26.75%) | 35.2 V | 21.18 V (44.12%) | 10272.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 10.27 V (21.4%) | 37.7 V | 16.94 V (35.3%) | 8217.6 W | Drop High |
| 400 mm² | 570 A | 445 A | 7.7 V (16.05%) | 40.3 V | 12.71 V (26.47%) | 6163.2 W | Drop High |
FAQ — 800 Amp Cable Size at 90 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 800A at 90 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6× 400 mm² copper cable for 800A over 90m at 48V (voltage drop: 1.28V or 2.68%).
What is the power capacity of 800A at 48V?
At unity power factor, 800A at 48V supports 38.4 kW with a standard 800A circuit breaker.
Related Lengths & Currents (48V)
800A · 5m (48V)800A · 10m (48V)800A · 15m (48V)800A · 20m (48V)800A · 25m (48V)800A · 30m (48V)800A · 35m (48V)800A · 40m (48V)800A · 45m (48V)800A · 50m (48V)800A · 60m (48V)800A · 70m (48V)10A · 90m (48V)16A · 90m (48V)20A · 90m (48V)25A · 90m (48V)32A · 90m (48V)40A · 90m (48V)50A · 90m (48V)63A · 90m (48V)80A · 90m (48V)100A · 90m (48V)125A · 90m (48V)160A · 90m (48V)200A · 90m (48V)