35 Amp Cable Size at 175 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 175 m (574.1 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 0.66V (2.73%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.08V (4.5%)
Voltage at Load23.3 VLine Loss: 22.9 W
Max Power & Breaker0.84 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A at 175m
| 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 | 174.77 V (728.19%) | 0.0 V | 288.28 V (1201.18%) | 6116.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 104.86 V (436.92%) | 0.0 V | 172.97 V (720.71%) | 3670.1 W | Drop High |
| 4 mm² | 32 A | 25 A | 65.54 V (273.07%) | 0.0 V | 108.11 V (450.44%) | 2293.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 43.69 V (182.05%) | 0.0 V | 72.07 V (300.3%) | 1529.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 26.21 V (109.23%) | 0.0 V | 43.24 V (180.18%) | 917.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 16.38 V (68.27%) | 7.6 V | 27.03 V (112.61%) | 573.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 10.49 V (43.69%) | 13.5 V | 17.3 V (72.07%) | 367.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 7.49 V (31.21%) | 16.5 V | 12.35 V (51.48%) | 262.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 5.24 V (21.85%) | 18.8 V | 8.65 V (36.04%) | 183.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 3.74 V (15.6%) | 20.3 V | 6.18 V (25.74%) | 131.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.76 V (11.5%) | 21.2 V | 4.55 V (18.97%) | 96.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 2.18 V (9.1%) | 21.8 V | 3.6 V (15.01%) | 76.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.75 V (7.28%) | 22.3 V | 2.88 V (12.01%) | 61.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.42 V (5.9%) | 22.6 V | 2.34 V (9.74%) | 49.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.09 V (4.55%) | 22.9 V | 1.8 V (7.51%) | 38.2 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 0.87 V (3.64%) | 23.1 V | 1.44 V (6.01%) | 30.6 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 0.66 V (2.73%) | 23.3 V | 1.08 V (4.5%) | 22.9 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 35A at 175 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 35A over 175m at 24V (voltage drop: 0.66V or 2.73%).
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 · 35m (24V)35A · 40m (24V)35A · 45m (24V)35A · 50m (24V)35A · 60m (24V)35A · 70m (24V)10A · 175m (24V)16A · 175m (24V)20A · 175m (24V)25A · 175m (24V)32A · 175m (24V)40A · 175m (24V)50A · 175m (24V)63A · 175m (24V)80A · 175m (24V)100A · 175m (24V)125A · 175m (24V)160A · 175m (24V)200A · 175m (24V)