Kabeltverrsnitt for 15 Ampere ved 250 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 15 A over 250 m ved 230V.
Copper Cable (≤3% Drop)25 mm²Drop: 6.42V (2.79%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 5.29V (2.3%)
Voltage at Load223.6 VLine Loss: 96.3 W
Max Power & Breaker3.45 kW15A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 15A at 250m
| 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 | 107.0 V (46.52%) | 123.0 V | 176.5 V (76.74%) | 1605.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 64.2 V (27.91%) | 165.8 V | 105.9 V (46.04%) | 963.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 40.12 V (17.45%) | 189.9 V | 66.19 V (28.78%) | 601.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 26.75 V (11.63%) | 203.2 V | 44.12 V (19.18%) | 401.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 16.05 V (6.98%) | 213.9 V | 26.47 V (11.51%) | 240.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 10.03 V (4.36%) | 220.0 V | 16.55 V (7.19%) | 150.5 W | ~ ≤5% |
| 25 mm² | 101 A | 78 A | 6.42 V (2.79%) | 223.6 V | 10.59 V (4.6%) | 96.3 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 4.59 V (1.99%) | 225.4 V | 7.56 V (3.29%) | 68.8 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 3.21 V (1.4%) | 226.8 V | 5.29 V (2.3%) | 48.1 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.29 V (1.0%) | 227.7 V | 3.78 V (1.64%) | 34.4 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.69 V (0.73%) | 228.3 V | 2.79 V (1.21%) | 25.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.34 V (0.58%) | 228.7 V | 2.21 V (0.96%) | 20.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.07 V (0.47%) | 228.9 V | 1.76 V (0.77%) | 16.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.87 V (0.38%) | 229.1 V | 1.43 V (0.62%) | 13.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.67 V (0.29%) | 229.3 V | 1.1 V (0.48%) | 10.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.54 V (0.23%) | 229.5 V | 0.88 V (0.38%) | 8.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.4 V (0.17%) | 229.6 V | 0.66 V (0.29%) | 6.0 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 15 Ampere ved 250 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 15A over 250 meter (230V)?
Etter NEK 400 anbefales 25 mm² kobberkabel for 15A ved 250 meter (230V), som gir et spenningsfall på 6.42V (2.79%).
Hvor mange kW tåler 15A ved 230V?
Kursen leverer opptil 3.45 kW med 15A vern.
Related Lengths & Currents (230V)
15A · 5m (230V)15A · 10m (230V)15A · 15m (230V)15A · 20m (230V)15A · 25m (230V)15A · 30m (230V)15A · 35m (230V)15A · 40m (230V)15A · 45m (230V)15A · 50m (230V)15A · 60m (230V)15A · 70m (230V)10A · 250m (230V)16A · 250m (230V)20A · 250m (230V)25A · 250m (230V)32A · 250m (230V)40A · 250m (230V)50A · 250m (230V)63A · 250m (230V)80A · 250m (230V)100A · 250m (230V)125A · 250m (230V)160A · 250m (230V)200A · 250m (230V)