Kabelarea för 20 Ampere vid 50 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 20 A över 50 m vid 400V.
Copper Cable (≤3% Drop)4 mm²Drop: 9.27V (2.32%)
Aluminum Cable (≤3% Drop)6 mm²Drop: 10.19V (2.55%)
Voltage at Load390.7 VLine Loss: 321.0 W
Max Power & Breaker13.86 kW20A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 20A at 50m
| 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 | 24.71 V (6.18%) | 375.3 V | 40.76 V (10.19%) | 856.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 14.83 V (3.71%) | 385.2 V | 24.46 V (6.11%) | 513.6 W | ~ ≤5% |
| 4 mm² | 32 A | 25 A | 9.27 V (2.32%) | 390.7 V | 15.29 V (3.82%) | 321.0 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 6.18 V (1.54%) | 393.8 V | 10.19 V (2.55%) | 214.0 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 128.4 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 2.32 V (0.58%) | 397.7 V | 3.82 V (0.96%) | 80.2 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.48 V (0.37%) | 398.5 V | 2.45 V (0.61%) | 51.4 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.06 V (0.26%) | 398.9 V | 1.75 V (0.44%) | 36.7 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.74 V (0.19%) | 399.3 V | 1.22 V (0.31%) | 25.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.53 V (0.13%) | 399.5 V | 0.87 V (0.22%) | 18.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.39 V (0.1%) | 399.6 V | 0.64 V (0.16%) | 13.5 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.31 V (0.08%) | 399.7 V | 0.51 V (0.13%) | 10.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.25 V (0.06%) | 399.8 V | 0.41 V (0.1%) | 8.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.2 V (0.05%) | 399.8 V | 0.33 V (0.08%) | 6.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.15 V (0.04%) | 399.8 V | 0.25 V (0.06%) | 5.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.12 V (0.03%) | 399.9 V | 0.2 V (0.05%) | 4.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.09 V (0.02%) | 399.9 V | 0.15 V (0.04%) | 3.2 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 20 Ampere vid 50 Meter (400V)
Vilken kabelarea krävs för 20A vid 50 meter (400V)?
För 20 Ampere över 50 meter vid 400V rekommenderas 4 mm² kopparkabel för att hålla spänningsfallet under 3% (9.27V / 2.32%).
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 · 60m (400V)20A · 70m (400V)10A · 50m (400V)16A · 50m (400V)25A · 50m (400V)32A · 50m (400V)40A · 50m (400V)50A · 50m (400V)63A · 50m (400V)80A · 50m (400V)100A · 50m (400V)125A · 50m (400V)160A · 50m (400V)200A · 50m (400V)