20 Amp Cable Size at 60 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 20 A over 60 m (196.9 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 1.03V (2.14%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 1.21V (2.52%)
Voltage at Load47.0 VLine Loss: 20.5 W
Max Power & Breaker0.96 kW20A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 20A at 60m
| 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 | 34.24 V (71.33%) | 13.8 V | 56.48 V (117.67%) | 684.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 20.54 V (42.8%) | 27.5 V | 33.89 V (70.6%) | 410.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 12.84 V (26.75%) | 35.2 V | 21.18 V (44.12%) | 256.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 8.56 V (17.83%) | 39.4 V | 14.12 V (29.42%) | 171.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 5.14 V (10.7%) | 42.9 V | 8.47 V (17.65%) | 102.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 3.21 V (6.69%) | 44.8 V | 5.29 V (11.03%) | 64.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.05 V (4.28%) | 45.9 V | 3.39 V (7.06%) | 41.1 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 1.47 V (3.06%) | 46.5 V | 2.42 V (5.04%) | 29.3 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 1.03 V (2.14%) | 47.0 V | 1.69 V (3.53%) | 20.5 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.73 V (1.53%) | 47.3 V | 1.21 V (2.52%) | 14.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.54 V (1.13%) | 47.5 V | 0.89 V (1.86%) | 10.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.43 V (0.89%) | 47.6 V | 0.71 V (1.47%) | 8.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.34 V (0.71%) | 47.7 V | 0.56 V (1.18%) | 6.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.28 V (0.58%) | 47.7 V | 0.46 V (0.95%) | 5.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.21 V (0.45%) | 47.8 V | 0.35 V (0.74%) | 4.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.17 V (0.36%) | 47.8 V | 0.28 V (0.59%) | 3.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.13 V (0.27%) | 47.9 V | 0.21 V (0.44%) | 2.6 W | ✓ OK (≤3%) |
FAQ — 20 Amp Cable Size at 60 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 20A at 60 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 20A over 60m at 48V (voltage drop: 1.03V or 2.14%).
What is the power capacity of 20A at 48V?
At unity power factor, 20A at 48V supports 0.96 kW with a standard 20A circuit breaker.
Related Lengths & Currents (48V)
20A · 5m (48V)20A · 10m (48V)20A · 15m (48V)20A · 20m (48V)20A · 25m (48V)20A · 30m (48V)20A · 35m (48V)20A · 40m (48V)20A · 45m (48V)20A · 50m (48V)20A · 70m (48V)10A · 60m (48V)16A · 60m (48V)25A · 60m (48V)32A · 60m (48V)40A · 60m (48V)50A · 60m (48V)63A · 60m (48V)80A · 60m (48V)100A · 60m (48V)125A · 60m (48V)160A · 60m (48V)200A · 60m (48V)