35 Amp Cable Size at 5 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 35 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 0.47V (1.95%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 0.49V (2.06%)
Voltage at Load23.5 VLine Loss: 16.4 W
Max Power & Breaker0.84 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A 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 | 4.99 V (20.81%) | 19.0 V | 8.24 V (34.32%) | 174.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3.0 V (12.48%) | 21.0 V | 4.94 V (20.59%) | 104.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 1.87 V (7.8%) | 22.1 V | 3.09 V (12.87%) | 65.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1.25 V (5.2%) | 22.8 V | 2.06 V (8.58%) | 43.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 0.75 V (3.12%) | 23.3 V | 1.24 V (5.15%) | 26.2 W | ~ ≤5% |
| 16 mm² | 76 A | 59 A | 0.47 V (1.95%) | 23.5 V | 0.77 V (3.22%) | 16.4 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.3 V (1.25%) | 23.7 V | 0.49 V (2.06%) | 10.5 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.21 V (0.89%) | 23.8 V | 0.35 V (1.47%) | 7.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.15 V (0.62%) | 23.9 V | 0.25 V (1.03%) | 5.2 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.11 V (0.45%) | 23.9 V | 0.18 V (0.74%) | 3.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.08 V (0.33%) | 23.9 V | 0.13 V (0.54%) | 2.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.06 V (0.26%) | 23.9 V | 0.1 V (0.43%) | 2.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.05 V (0.21%) | 24.0 V | 0.08 V (0.34%) | 1.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.04 V (0.17%) | 24.0 V | 0.07 V (0.28%) | 1.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.03 V (0.13%) | 24.0 V | 0.05 V (0.21%) | 1.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.02 V (0.1%) | 24.0 V | 0.04 V (0.17%) | 0.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.02 V (0.08%) | 24.0 V | 0.03 V (0.13%) | 0.7 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 5 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 35A at 5 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 35A over 5m at 24V (voltage drop: 0.47V or 1.95%).
What is the power capacity of 35A at 24V?
At unity power factor, 35A at 24V supports 0.84 kW with a standard 35A circuit breaker.
Related Lengths & Currents (24V)
35A · 10m (24V)35A · 15m (24V)35A · 20m (24V)35A · 25m (24V)35A · 30m (24V)35A · 35m (24V)35A · 40m (24V)35A · 45m (24V)35A · 50m (24V)35A · 60m (24V)35A · 70m (24V)10A · 5m (24V)16A · 5m (24V)20A · 5m (24V)25A · 5m (24V)32A · 5m (24V)40A · 5m (24V)50A · 5m (24V)63A · 5m (24V)80A · 5m (24V)100A · 5m (24V)125A · 5m (24V)160A · 5m (24V)200A · 5m (24V)