Kabelarea för 20 Ampere vid 120 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 20 A över 120 m vid 400V.
Copper Cable (≤3% Drop)10 mm²Drop: 8.9V (2.22%)
Aluminum Cable (≤3% Drop)16 mm²Drop: 9.17V (2.29%)
Voltage at Load391.1 VLine Loss: 308.2 W
Max Power & Breaker13.86 kW20A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 20A at 120m
| 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 | 59.31 V (14.83%) | 340.7 V | 97.83 V (24.46%) | 2054.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 35.58 V (8.9%) | 364.4 V | 58.7 V (14.67%) | 1232.6 W | Drop High |
| 4 mm² | 32 A | 25 A | 22.24 V (5.56%) | 377.8 V | 36.68 V (9.17%) | 770.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 14.83 V (3.71%) | 385.2 V | 24.46 V (6.11%) | 513.6 W | ~ ≤5% |
| 10 mm² | 57 A | 44 A | 8.9 V (2.22%) | 391.1 V | 14.67 V (3.67%) | 308.2 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 5.56 V (1.39%) | 394.4 V | 9.17 V (2.29%) | 192.6 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 3.56 V (0.89%) | 396.4 V | 5.87 V (1.47%) | 123.3 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 2.54 V (0.64%) | 397.5 V | 4.19 V (1.05%) | 88.0 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 1.78 V (0.44%) | 398.2 V | 2.93 V (0.73%) | 61.6 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.27 V (0.32%) | 398.7 V | 2.1 V (0.52%) | 44.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.94 V (0.23%) | 399.1 V | 1.54 V (0.39%) | 32.4 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.74 V (0.19%) | 399.3 V | 1.22 V (0.31%) | 25.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.59 V (0.15%) | 399.4 V | 0.98 V (0.24%) | 20.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.48 V (0.12%) | 399.5 V | 0.79 V (0.2%) | 16.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.37 V (0.09%) | 399.6 V | 0.61 V (0.15%) | 12.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.3 V (0.07%) | 399.7 V | 0.49 V (0.12%) | 10.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.22 V (0.06%) | 399.8 V | 0.37 V (0.09%) | 7.7 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 20 Ampere vid 120 Meter (400V)
Vilken kabelarea krävs för 20A vid 120 meter (400V)?
För 20 Ampere över 120 meter vid 400V rekommenderas 10 mm² kopparkabel för att hålla spänningsfallet under 3% (8.9V / 2.22%).
Hur stor effekt motsvarar 20A vid 400V?
Det motsvarar 13.86 kW med en rekommenderad säkring på 20A.
Related Lengths & Currents (400V)
20A · 5m (400V)20A · 10m (400V)20A · 15m (400V)20A · 20m (400V)20A · 25m (400V)20A · 30m (400V)20A · 35m (400V)20A · 40m (400V)20A · 45m (400V)20A · 50m (400V)20A · 60m (400V)20A · 70m (400V)10A · 120m (400V)16A · 120m (400V)25A · 120m (400V)32A · 120m (400V)40A · 120m (400V)50A · 120m (400V)63A · 120m (400V)80A · 120m (400V)100A · 120m (400V)125A · 120m (400V)160A · 120m (400V)200A · 120m (400V)