Kabeltverrsnitt for 80 Ampere ved 25 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 80 A over 25 m ved 400V.
Copper Cable (≤3% Drop)25 mm²Drop: 2.97V (0.74%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 3.49V (0.87%)
Voltage at Load397.0 VLine Loss: 410.9 W
Max Power & Breaker55.43 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 25m
| 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 | 49.42 V (12.36%) | 350.6 V | 81.52 V (20.38%) | 6848.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 29.65 V (7.41%) | 370.3 V | 48.91 V (12.23%) | 4108.8 W | Drop High |
| 4 mm² | 32 A | 25 A | 18.53 V (4.63%) | 381.5 V | 30.57 V (7.64%) | 2568.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 12.36 V (3.09%) | 387.6 V | 20.38 V (5.1%) | 1712.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 7.41 V (1.85%) | 392.6 V | 12.23 V (3.06%) | 1027.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 4.63 V (1.16%) | 395.4 V | 7.64 V (1.91%) | 642.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.97 V (0.74%) | 397.0 V | 4.89 V (1.22%) | 410.9 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 2.12 V (0.53%) | 397.9 V | 3.49 V (0.87%) | 293.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 1.48 V (0.37%) | 398.5 V | 2.45 V (0.61%) | 205.4 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.06 V (0.26%) | 398.9 V | 1.75 V (0.44%) | 146.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.78 V (0.2%) | 399.2 V | 1.29 V (0.32%) | 108.1 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.62 V (0.15%) | 399.4 V | 1.02 V (0.25%) | 85.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.49 V (0.12%) | 399.5 V | 0.82 V (0.2%) | 68.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.4 V (0.1%) | 399.6 V | 0.66 V (0.17%) | 55.5 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.31 V (0.08%) | 399.7 V | 0.51 V (0.13%) | 42.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.25 V (0.06%) | 399.8 V | 0.41 V (0.1%) | 34.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.19 V (0.05%) | 399.8 V | 0.31 V (0.08%) | 25.7 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 80 Ampere ved 25 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 80A over 25 meter (400V)?
Etter NEK 400 anbefales 25 mm² kobberkabel for 80A ved 25 meter (400V), som gir et spenningsfall på 2.97V (0.74%).
Hvor mange kW tåler 80A ved 400V?
Kursen leverer opptil 55.43 kW med 80A vern.
Related Lengths & Currents (400V)
80A · 5m (400V)80A · 10m (400V)80A · 15m (400V)80A · 20m (400V)80A · 30m (400V)80A · 35m (400V)80A · 40m (400V)80A · 45m (400V)80A · 50m (400V)80A · 60m (400V)80A · 70m (400V)10A · 25m (400V)16A · 25m (400V)20A · 25m (400V)25A · 25m (400V)32A · 25m (400V)40A · 25m (400V)50A · 25m (400V)63A · 25m (400V)100A · 25m (400V)125A · 25m (400V)160A · 25m (400V)200A · 25m (400V)