Kabeltverrsnitt for 80 Ampere ved 80 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 80 A over 80 m ved 400V.
Copper Cable (≤3% Drop)25 mm²Drop: 9.49V (2.37%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 11.18V (2.8%)
Voltage at Load390.5 VLine Loss: 1314.8 W
Max Power & Breaker55.43 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 80m
| 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 | 158.15 V (39.54%) | 241.9 V | 260.87 V (65.22%) | 21913.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 94.89 V (23.72%) | 305.1 V | 156.52 V (39.13%) | 13148.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 59.31 V (14.83%) | 340.7 V | 97.83 V (24.46%) | 8217.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 39.54 V (9.88%) | 360.5 V | 65.22 V (16.3%) | 5478.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 23.72 V (5.93%) | 376.3 V | 39.13 V (9.78%) | 3287.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 14.83 V (3.71%) | 385.2 V | 24.46 V (6.11%) | 2054.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 9.49 V (2.37%) | 390.5 V | 15.65 V (3.91%) | 1314.8 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 6.78 V (1.69%) | 393.2 V | 11.18 V (2.8%) | 939.2 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 4.74 V (1.19%) | 395.3 V | 7.83 V (1.96%) | 657.4 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 3.39 V (0.85%) | 396.6 V | 5.59 V (1.4%) | 469.6 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.5 V (0.62%) | 397.5 V | 4.12 V (1.03%) | 346.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.98 V (0.49%) | 398.0 V | 3.26 V (0.82%) | 273.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.58 V (0.4%) | 398.4 V | 2.61 V (0.65%) | 219.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.28 V (0.32%) | 398.7 V | 2.12 V (0.53%) | 177.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.99 V (0.25%) | 399.0 V | 1.63 V (0.41%) | 137.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.79 V (0.2%) | 399.2 V | 1.3 V (0.33%) | 109.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.59 V (0.15%) | 399.4 V | 0.98 V (0.24%) | 82.2 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 80 Ampere ved 80 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 80A over 80 meter (400V)?
Etter NEK 400 anbefales 25 mm² kobberkabel for 80A ved 80 meter (400V), som gir et spenningsfall på 9.49V (2.37%).
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 · 25m (400V)80A · 30m (400V)80A · 35m (400V)80A · 40m (400V)80A · 45m (400V)80A · 50m (400V)80A · 60m (400V)80A · 70m (400V)10A · 80m (400V)16A · 80m (400V)20A · 80m (400V)25A · 80m (400V)32A · 80m (400V)40A · 80m (400V)50A · 80m (400V)63A · 80m (400V)100A · 80m (400V)125A · 80m (400V)160A · 80m (400V)200A · 80m (400V)