16 Amp Cable Size at 350 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 16 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 12.97V (1.88%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 13.7V (1.98%)
Voltage at Load677.0 VLine Loss: 359.5 W
Max Power & Breaker19.12 kW16A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 350m
| 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 | 138.38 V (20.05%) | 551.6 V | 228.26 V (33.08%) | 3834.9 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 83.03 V (12.03%) | 607.0 V | 136.96 V (19.85%) | 2300.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 51.89 V (7.52%) | 638.1 V | 85.6 V (12.41%) | 1438.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 34.59 V (5.01%) | 655.4 V | 57.07 V (8.27%) | 958.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 20.76 V (3.01%) | 669.2 V | 34.24 V (4.96%) | 575.2 W | ~ ≤5% |
| 16 mm² | 76 A | 59 A | 12.97 V (1.88%) | 677.0 V | 21.4 V (3.1%) | 359.5 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 8.3 V (1.2%) | 681.7 V | 13.7 V (1.98%) | 230.1 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 5.93 V (0.86%) | 684.1 V | 9.78 V (1.42%) | 164.4 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 4.15 V (0.6%) | 685.8 V | 6.85 V (0.99%) | 115.0 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.97 V (0.43%) | 687.0 V | 4.89 V (0.71%) | 82.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.18 V (0.32%) | 687.8 V | 3.6 V (0.52%) | 60.6 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.73 V (0.25%) | 688.3 V | 2.85 V (0.41%) | 47.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.38 V (0.2%) | 688.6 V | 2.28 V (0.33%) | 38.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.12 V (0.16%) | 688.9 V | 1.85 V (0.27%) | 31.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.86 V (0.13%) | 689.1 V | 1.43 V (0.21%) | 24.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.69 V (0.1%) | 689.3 V | 1.14 V (0.17%) | 19.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.52 V (0.08%) | 689.5 V | 0.86 V (0.12%) | 14.4 W | ✓ OK (≤3%) |
FAQ — 16 Amp Cable Size at 350 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 16A at 350 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 16A over 350m at 690V (voltage drop: 12.97V or 1.88%).
What is the power capacity of 16A at 690V?
At unity power factor, 16A at 690V supports 19.12 kW with a standard 16A circuit breaker.
Related Lengths & Currents (690V)
16A · 5m (690V)16A · 10m (690V)16A · 15m (690V)16A · 20m (690V)16A · 25m (690V)16A · 30m (690V)16A · 35m (690V)16A · 40m (690V)16A · 45m (690V)16A · 50m (690V)16A · 60m (690V)16A · 70m (690V)10A · 350m (690V)20A · 350m (690V)25A · 350m (690V)32A · 350m (690V)40A · 350m (690V)50A · 350m (690V)63A · 350m (690V)80A · 350m (690V)100A · 350m (690V)125A · 350m (690V)160A · 350m (690V)200A · 350m (690V)