Kabelarea för 80 Ampere vid 20 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 80 A över 20 m vid 400V.
Copper Cable (≤3% Drop)25 mm²Drop: 2.37V (0.59%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 2.8V (0.7%)
Voltage at Load397.6 VLine Loss: 328.7 W
Max Power & Breaker55.43 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 20m
| 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 | 39.54 V (9.88%) | 360.5 V | 65.22 V (16.3%) | 5478.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 23.72 V (5.93%) | 376.3 V | 39.13 V (9.78%) | 3287.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 14.83 V (3.71%) | 385.2 V | 24.46 V (6.11%) | 2054.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 9.88 V (2.47%) | 390.1 V | 16.3 V (4.08%) | 1369.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 5.93 V (1.48%) | 394.1 V | 9.78 V (2.45%) | 821.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 513.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.37 V (0.59%) | 397.6 V | 3.91 V (0.98%) | 328.7 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.69 V (0.42%) | 398.3 V | 2.8 V (0.7%) | 234.8 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 1.19 V (0.3%) | 398.8 V | 1.96 V (0.49%) | 164.4 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.85 V (0.21%) | 399.2 V | 1.4 V (0.35%) | 117.4 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.62 V (0.16%) | 399.4 V | 1.03 V (0.26%) | 86.5 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.49 V (0.12%) | 399.5 V | 0.82 V (0.2%) | 68.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.4 V (0.1%) | 399.6 V | 0.65 V (0.16%) | 54.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.32 V (0.08%) | 399.7 V | 0.53 V (0.13%) | 44.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.25 V (0.06%) | 399.8 V | 0.41 V (0.1%) | 34.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.2 V (0.05%) | 399.8 V | 0.33 V (0.08%) | 27.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.15 V (0.04%) | 399.9 V | 0.24 V (0.06%) | 20.5 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 80 Ampere vid 20 Meter (400V)
Vilken kabelarea krävs för 80A vid 20 meter (400V)?
För 80 Ampere över 20 meter vid 400V rekommenderas 25 mm² kopparkabel för att hålla spänningsfallet under 3% (2.37V / 0.59%).
Hur stor effekt motsvarar 80A vid 400V?
Det motsvarar 55.43 kW med en rekommenderad säkring på 80A.
Related Lengths & Currents (400V)
80A · 5m (400V)80A · 10m (400V)80A · 15m (400V)80A · 25m (400V)80A · 30m (400V)80A · 35m (400V)80A · 40m (400V)80A · 45m (400V)80A · 50m (400V)80A · 60m (400V)80A · 70m (400V)10A · 20m (400V)16A · 20m (400V)20A · 20m (400V)25A · 20m (400V)32A · 20m (400V)40A · 20m (400V)50A · 20m (400V)63A · 20m (400V)100A · 20m (400V)125A · 20m (400V)160A · 20m (400V)200A · 20m (400V)