Kabelarea för 20 Ampere vid 35 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 20 A över 35 m vid 400V.
Copper Cable (≤3% Drop)2.5 mm²Drop: 10.38V (2.59%)
Aluminum Cable (≤3% Drop)4 mm²Drop: 10.7V (2.67%)
Voltage at Load389.6 VLine Loss: 359.5 W
Max Power & Breaker13.86 kW20A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 20A 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 | 17.3 V (4.32%) | 382.7 V | 28.53 V (7.13%) | 599.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 10.38 V (2.59%) | 389.6 V | 17.12 V (4.28%) | 359.5 W | ✓ OK (≤3%) |
| 4 mm² | 32 A | 25 A | 6.49 V (1.62%) | 393.5 V | 10.7 V (2.67%) | 224.7 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 4.32 V (1.08%) | 395.7 V | 7.13 V (1.78%) | 149.8 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 2.59 V (0.65%) | 397.4 V | 4.28 V (1.07%) | 89.9 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 1.62 V (0.41%) | 398.4 V | 2.67 V (0.67%) | 56.2 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.04 V (0.26%) | 399.0 V | 1.71 V (0.43%) | 36.0 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.74 V (0.19%) | 399.3 V | 1.22 V (0.31%) | 25.7 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.52 V (0.13%) | 399.5 V | 0.86 V (0.21%) | 18.0 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.37 V (0.09%) | 399.6 V | 0.61 V (0.15%) | 12.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.27 V (0.07%) | 399.7 V | 0.45 V (0.11%) | 9.5 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.22 V (0.05%) | 399.8 V | 0.36 V (0.09%) | 7.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.17 V (0.04%) | 399.8 V | 0.29 V (0.07%) | 6.0 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.14 V (0.04%) | 399.9 V | 0.23 V (0.06%) | 4.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.11 V (0.03%) | 399.9 V | 0.18 V (0.04%) | 3.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.09 V (0.02%) | 399.9 V | 0.14 V (0.04%) | 3.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.06 V (0.02%) | 399.9 V | 0.11 V (0.03%) | 2.2 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 20 Ampere vid 35 Meter (400V)
Vilken kabelarea krävs för 20A vid 35 meter (400V)?
För 20 Ampere över 35 meter vid 400V rekommenderas 2.5 mm² kopparkabel för att hålla spänningsfallet under 3% (10.38V / 2.59%).
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 · 40m (400V)20A · 45m (400V)20A · 50m (400V)20A · 60m (400V)20A · 70m (400V)10A · 35m (400V)16A · 35m (400V)25A · 35m (400V)32A · 35m (400V)40A · 35m (400V)50A · 35m (400V)63A · 35m (400V)80A · 35m (400V)100A · 35m (400V)125A · 35m (400V)160A · 35m (400V)200A · 35m (400V)