650 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 650 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.17V (0.36%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.57V (1.2%)
Voltage at Load47.8 VLine Loss: 113.0 W
Max Power & Breaker31.2 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 5m
| 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 | 92.73 V (193.19%) | 0.0 V | 152.97 V (318.68%) | 60276.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 55.64 V (115.92%) | 0.0 V | 91.78 V (191.21%) | 36166.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 34.77 V (72.45%) | 13.2 V | 57.36 V (119.51%) | 22603.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 23.18 V (48.3%) | 24.8 V | 38.24 V (79.67%) | 15069.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 13.91 V (28.98%) | 34.1 V | 22.95 V (47.8%) | 9041.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 8.69 V (18.11%) | 39.3 V | 14.34 V (29.88%) | 5650.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 5.56 V (11.59%) | 42.4 V | 9.18 V (19.12%) | 3616.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.97 V (8.28%) | 44.0 V | 6.56 V (13.66%) | 2583.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.78 V (5.8%) | 45.2 V | 4.59 V (9.56%) | 1808.3 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.99 V (4.14%) | 46.0 V | 3.28 V (6.83%) | 1291.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.46 V (3.05%) | 46.5 V | 2.42 V (5.03%) | 951.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.16 V (2.41%) | 46.8 V | 1.91 V (3.98%) | 753.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.93 V (1.93%) | 47.1 V | 1.53 V (3.19%) | 602.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.75 V (1.57%) | 47.2 V | 1.24 V (2.58%) | 488.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.58 V (1.21%) | 47.4 V | 0.96 V (1.99%) | 376.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.46 V (0.97%) | 47.5 V | 0.76 V (1.59%) | 301.4 W | Drop High |
| 400 mm² | 570 A | 445 A | 0.35 V (0.72%) | 47.7 V | 0.57 V (1.2%) | 226.0 W | Drop High |
FAQ — 650 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 650A at 5 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 650A over 5m at 48V (voltage drop: 0.17V or 0.36%).
What is the power capacity of 650A at 48V?
At unity power factor, 650A at 48V supports 31.2 kW with a standard 700A circuit breaker.
Related Lengths & Currents (48V)
650A · 10m (48V)650A · 15m (48V)650A · 20m (48V)650A · 25m (48V)650A · 30m (48V)650A · 35m (48V)650A · 40m (48V)650A · 45m (48V)650A · 50m (48V)650A · 60m (48V)650A · 70m (48V)10A · 5m (48V)16A · 5m (48V)20A · 5m (48V)25A · 5m (48V)32A · 5m (48V)40A · 5m (48V)50A · 5m (48V)63A · 5m (48V)80A · 5m (48V)100A · 5m (48V)125A · 5m (48V)160A · 5m (48V)200A · 5m (48V)