Kabeltverrsnitt for 250 Ampere ved 80 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 250 A over 80 m ved 230V.
Copper Cable (≤3% Drop)150 mm²Drop: 5.71V (2.48%)
Aluminum Cable (≤3% Drop)240 mm²Drop: 5.88V (2.56%)
Voltage at Load224.3 VLine Loss: 1426.7 W
Max Power & Breaker57.5 kW250A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A 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 | 570.67 V (248.12%) | 0.0 V | 941.33 V (409.28%) | 142666.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 342.4 V (148.87%) | 0.0 V | 564.8 V (245.57%) | 85600.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 214.0 V (93.04%) | 16.0 V | 353.0 V (153.48%) | 53500.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 142.67 V (62.03%) | 87.3 V | 235.33 V (102.32%) | 35666.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 85.6 V (37.22%) | 144.4 V | 141.2 V (61.39%) | 21400.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 53.5 V (23.26%) | 176.5 V | 88.25 V (38.37%) | 13375.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 34.24 V (14.89%) | 195.8 V | 56.48 V (24.56%) | 8560.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 24.46 V (10.63%) | 205.5 V | 40.34 V (17.54%) | 6114.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 17.12 V (7.44%) | 212.9 V | 28.24 V (12.28%) | 4280.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 12.23 V (5.32%) | 217.8 V | 20.17 V (8.77%) | 3057.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 9.01 V (3.92%) | 221.0 V | 14.86 V (6.46%) | 2252.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 7.13 V (3.1%) | 222.9 V | 11.77 V (5.12%) | 1783.3 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 5.71 V (2.48%) | 224.3 V | 9.41 V (4.09%) | 1426.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 4.63 V (2.01%) | 225.4 V | 7.63 V (3.32%) | 1156.8 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 3.57 V (1.55%) | 226.4 V | 5.88 V (2.56%) | 891.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.85 V (1.24%) | 227.1 V | 4.71 V (2.05%) | 713.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.14 V (0.93%) | 227.9 V | 3.53 V (1.53%) | 535.0 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 250 Ampere ved 80 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 250A over 80 meter (230V)?
Etter NEK 400 anbefales 150 mm² kobberkabel for 250A ved 80 meter (230V), som gir et spenningsfall på 5.71V (2.48%).
Hvor mange kW tåler 250A ved 230V?
Kursen leverer opptil 57.5 kW med 250A vern.
Related Lengths & Currents (230V)
250A · 5m (230V)250A · 10m (230V)250A · 15m (230V)250A · 20m (230V)250A · 25m (230V)250A · 30m (230V)250A · 35m (230V)250A · 40m (230V)250A · 45m (230V)250A · 50m (230V)250A · 60m (230V)250A · 70m (230V)10A · 80m (230V)16A · 80m (230V)20A · 80m (230V)25A · 80m (230V)32A · 80m (230V)40A · 80m (230V)50A · 80m (230V)63A · 80m (230V)80A · 80m (230V)100A · 80m (230V)125A · 80m (230V)160A · 80m (230V)200A · 80m (230V)