16 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 16 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)35 mm²Drop: 0.68V (2.85%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 0.56V (2.35%)
Voltage at Load23.3 VLine Loss: 11.0 W
Max Power & Breaker0.38 kW16A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A 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 | 15.98 V (66.58%) | 8.0 V | 26.36 V (109.82%) | 255.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 9.59 V (39.95%) | 14.4 V | 15.81 V (65.89%) | 153.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 5.99 V (24.97%) | 18.0 V | 9.88 V (41.18%) | 95.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 3.99 V (16.64%) | 20.0 V | 6.59 V (27.46%) | 63.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 2.4 V (9.99%) | 21.6 V | 3.95 V (16.47%) | 38.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 1.5 V (6.24%) | 22.5 V | 2.47 V (10.3%) | 24.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 0.96 V (3.99%) | 23.0 V | 1.58 V (6.59%) | 15.3 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 0.68 V (2.85%) | 23.3 V | 1.13 V (4.71%) | 11.0 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.48 V (2.0%) | 23.5 V | 0.79 V (3.29%) | 7.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.34 V (1.43%) | 23.7 V | 0.56 V (2.35%) | 5.5 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.25 V (1.05%) | 23.7 V | 0.42 V (1.73%) | 4.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.2 V (0.83%) | 23.8 V | 0.33 V (1.37%) | 3.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.16 V (0.67%) | 23.8 V | 0.26 V (1.1%) | 2.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.13 V (0.54%) | 23.9 V | 0.21 V (0.89%) | 2.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.1 V (0.42%) | 23.9 V | 0.16 V (0.69%) | 1.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.08 V (0.33%) | 23.9 V | 0.13 V (0.55%) | 1.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.06 V (0.25%) | 23.9 V | 0.1 V (0.41%) | 1.0 W | ✓ OK (≤3%) |
FAQ — 16 Amp Cable Size at 35 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 16A at 35 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 16A over 35m at 24V (voltage drop: 0.68V or 2.85%).
What is the power capacity of 16A at 24V?
At unity power factor, 16A at 24V supports 0.38 kW with a standard 16A circuit breaker.
Related Lengths & Currents (24V)
16A · 5m (24V)16A · 10m (24V)16A · 15m (24V)16A · 20m (24V)16A · 25m (24V)16A · 30m (24V)16A · 40m (24V)16A · 45m (24V)16A · 50m (24V)16A · 60m (24V)16A · 70m (24V)10A · 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)