5 Amp Cable Size at 10 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 5 A over 10 m (32.8 ft).
Copper Cable (≤3% Drop)4 mm²Drop: 0.54V (2.23%)
Aluminum Cable (≤3% Drop)6 mm²Drop: 0.59V (2.45%)
Voltage at Load23.5 VLine Loss: 2.7 W
Max Power & Breaker0.12 kW6A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 10m
| 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 | 1.43 V (5.94%) | 22.6 V | 2.35 V (9.81%) | 7.1 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 0.86 V (3.57%) | 23.1 V | 1.41 V (5.88%) | 4.3 W | ~ ≤5% |
| 4 mm² | 32 A | 25 A | 0.54 V (2.23%) | 23.5 V | 0.88 V (3.68%) | 2.7 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 0.36 V (1.49%) | 23.6 V | 0.59 V (2.45%) | 1.8 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 0.21 V (0.89%) | 23.8 V | 0.35 V (1.47%) | 1.1 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 0.13 V (0.56%) | 23.9 V | 0.22 V (0.92%) | 0.7 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.09 V (0.36%) | 23.9 V | 0.14 V (0.59%) | 0.4 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.06 V (0.25%) | 23.9 V | 0.1 V (0.42%) | 0.3 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.04 V (0.18%) | 24.0 V | 0.07 V (0.29%) | 0.2 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.03 V (0.13%) | 24.0 V | 0.05 V (0.21%) | 0.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.02 V (0.09%) | 24.0 V | 0.04 V (0.15%) | 0.1 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.02 V (0.07%) | 24.0 V | 0.03 V (0.12%) | 0.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.01 V (0.06%) | 24.0 V | 0.02 V (0.1%) | 0.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.01 V (0.05%) | 24.0 V | 0.02 V (0.08%) | 0.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.01 V (0.04%) | 24.0 V | 0.01 V (0.06%) | 0.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.01 V (0.03%) | 24.0 V | 0.01 V (0.05%) | 0.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.01 V (0.02%) | 24.0 V | 0.01 V (0.04%) | 0.0 W | ✓ OK (≤3%) |
FAQ — 5 Amp Cable Size at 10 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 5A at 10 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4 mm² copper cable for 5A over 10m at 24V (voltage drop: 0.54V or 2.23%).
What is the power capacity of 5A at 24V?
At unity power factor, 5A at 24V supports 0.12 kW with a standard 6A circuit breaker.
Related Lengths & Currents (24V)
5A · 5m (24V)5A · 15m (24V)5A · 20m (24V)5A · 25m (24V)5A · 30m (24V)5A · 35m (24V)5A · 40m (24V)5A · 45m (24V)5A · 50m (24V)5A · 60m (24V)5A · 70m (24V)10A · 10m (24V)16A · 10m (24V)20A · 10m (24V)25A · 10m (24V)32A · 10m (24V)40A · 10m (24V)50A · 10m (24V)63A · 10m (24V)80A · 10m (24V)100A · 10m (24V)125A · 10m (24V)160A · 10m (24V)200A · 10m (24V)