35 Amp Cable Size at 35 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 35 m (114.8 ft).
Copper Cable (≤3% Drop)95 mm²Drop: 0.55V (2.3%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 0.58V (2.4%)
Voltage at Load23.4 VLine Loss: 19.3 W
Max Power & Breaker0.84 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A at 35m
| 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 | 34.95 V (145.64%) | 0.0 V | 57.66 V (240.24%) | 1223.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 20.97 V (87.38%) | 3.0 V | 34.59 V (144.14%) | 734.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 13.11 V (54.61%) | 10.9 V | 21.62 V (90.09%) | 458.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 8.74 V (36.41%) | 15.3 V | 14.41 V (60.06%) | 305.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 5.24 V (21.85%) | 18.8 V | 8.65 V (36.04%) | 183.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 3.28 V (13.65%) | 20.7 V | 5.41 V (22.52%) | 114.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.1 V (8.74%) | 21.9 V | 3.46 V (14.41%) | 73.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 1.5 V (6.24%) | 22.5 V | 2.47 V (10.3%) | 52.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.05 V (4.37%) | 23.0 V | 1.73 V (7.21%) | 36.7 W | ~ ≤5% |
| 70 mm² | 192 A | 150 A | 0.75 V (3.12%) | 23.3 V | 1.24 V (5.15%) | 26.2 W | ~ ≤5% |
| 95 mm² | 232 A | 181 A | 0.55 V (2.3%) | 23.4 V | 0.91 V (3.79%) | 19.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.44 V (1.82%) | 23.6 V | 0.72 V (3.0%) | 15.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.35 V (1.46%) | 23.7 V | 0.58 V (2.4%) | 12.2 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.28 V (1.18%) | 23.7 V | 0.47 V (1.95%) | 9.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.22 V (0.91%) | 23.8 V | 0.36 V (1.5%) | 7.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.17 V (0.73%) | 23.8 V | 0.29 V (1.2%) | 6.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.13 V (0.55%) | 23.9 V | 0.22 V (0.9%) | 4.6 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 35 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 35A at 35 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 35A over 35m at 24V (voltage drop: 0.55V or 2.3%).
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 · 5m (24V)35A · 10m (24V)35A · 15m (24V)35A · 20m (24V)35A · 25m (24V)35A · 30m (24V)35A · 40m (24V)35A · 45m (24V)35A · 50m (24V)35A · 60m (24V)35A · 70m (24V)10A · 35m (24V)16A · 35m (24V)20A · 35m (24V)25A · 35m (24V)32A · 35m (24V)40A · 35m (24V)50A · 35m (24V)63A · 35m (24V)80A · 35m (24V)100A · 35m (24V)125A · 35m (24V)160A · 35m (24V)200A · 35m (24V)