475 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 1.36V (2.82%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.71V (13.97%)
Voltage at Load46.6 VLine Loss: 643.8 W
Max Power & Breaker22.8 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 80m
| 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 | 1084.27 V (2258.89%) | 0.0 V | 1788.53 V (3726.11%) | 515026.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 650.56 V (1355.33%) | 0.0 V | 1073.12 V (2235.67%) | 309016.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 406.6 V (847.08%) | 0.0 V | 670.7 V (1397.29%) | 193135.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 271.07 V (564.72%) | 0.0 V | 447.13 V (931.53%) | 128756.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 162.64 V (338.83%) | 0.0 V | 268.28 V (558.92%) | 77254.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 101.65 V (211.77%) | 0.0 V | 167.67 V (349.32%) | 48283.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 65.06 V (135.53%) | 0.0 V | 107.31 V (223.57%) | 30901.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 46.47 V (96.81%) | 1.5 V | 76.65 V (159.69%) | 22072.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 32.53 V (67.77%) | 15.5 V | 53.66 V (111.78%) | 15450.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 23.23 V (48.4%) | 24.8 V | 38.33 V (79.85%) | 11036.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 17.12 V (35.67%) | 30.9 V | 28.24 V (58.83%) | 8132.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 13.55 V (28.24%) | 34.4 V | 22.36 V (46.58%) | 6437.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 10.84 V (22.59%) | 37.2 V | 17.89 V (37.26%) | 5150.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 8.79 V (18.32%) | 39.2 V | 14.5 V (30.21%) | 4175.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 6.78 V (14.12%) | 41.2 V | 11.18 V (23.29%) | 3218.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 5.42 V (11.29%) | 42.6 V | 8.94 V (18.63%) | 2575.1 W | Drop High |
| 400 mm² | 570 A | 445 A | 4.07 V (8.47%) | 43.9 V | 6.71 V (13.97%) | 1931.3 W | Drop High |
FAQ — 475 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 475A at 80 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 475A over 80m at 48V (voltage drop: 1.36V or 2.82%).
What is the power capacity of 475A at 48V?
At unity power factor, 475A at 48V supports 22.8 kW with a standard 500A circuit breaker.
Related Lengths & Currents (48V)
475A · 5m (48V)475A · 10m (48V)475A · 15m (48V)475A · 20m (48V)475A · 25m (48V)475A · 30m (48V)475A · 35m (48V)475A · 40m (48V)475A · 45m (48V)475A · 50m (48V)475A · 60m (48V)475A · 70m (48V)10A · 80m (48V)16A · 80m (48V)20A · 80m (48V)25A · 80m (48V)32A · 80m (48V)40A · 80m (48V)50A · 80m (48V)63A · 80m (48V)80A · 80m (48V)100A · 80m (48V)125A · 80m (48V)160A · 80m (48V)200A · 80m (48V)