Kabeltverrsnitt for 450 Ampere ved 25 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 450 A over 25 m ved 400V.
Copper Cable (≤3% Drop)300 mm²Drop: 1.39V (0.35%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.72V (0.43%)
Voltage at Load398.6 VLine Loss: 1083.4 W
Max Power & Breaker311.77 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A 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 | 277.99 V (69.5%) | 122.0 V | 458.56 V (114.64%) | 216675.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 166.8 V (41.7%) | 233.2 V | 275.14 V (68.78%) | 130005.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 104.25 V (26.06%) | 295.8 V | 171.96 V (42.99%) | 81253.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 69.5 V (17.37%) | 330.5 V | 114.64 V (28.66%) | 54168.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 41.7 V (10.42%) | 358.3 V | 68.78 V (17.2%) | 32501.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 26.06 V (6.52%) | 373.9 V | 42.99 V (10.75%) | 20313.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 16.68 V (4.17%) | 383.3 V | 27.51 V (6.88%) | 13000.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 11.91 V (2.98%) | 388.1 V | 19.65 V (4.91%) | 9286.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.34 V (2.08%) | 391.7 V | 13.76 V (3.44%) | 6500.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 5.96 V (1.49%) | 394.0 V | 9.83 V (2.46%) | 4643.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.39 V (1.1%) | 395.6 V | 7.24 V (1.81%) | 3421.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.47 V (0.87%) | 396.5 V | 5.73 V (1.43%) | 2708.4 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.78 V (0.69%) | 397.2 V | 4.59 V (1.15%) | 2166.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.25 V (0.56%) | 397.7 V | 3.72 V (0.93%) | 1756.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.74 V (0.43%) | 398.3 V | 2.87 V (0.72%) | 1354.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.39 V (0.35%) | 398.6 V | 2.29 V (0.57%) | 1083.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.04 V (0.26%) | 399.0 V | 1.72 V (0.43%) | 812.5 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 450 Ampere ved 25 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 450A over 25 meter (400V)?
Etter NEK 400 anbefales 300 mm² kobberkabel for 450A ved 25 meter (400V), som gir et spenningsfall på 1.39V (0.35%).
Hvor mange kW tåler 450A ved 400V?
Kursen leverer opptil 311.77 kW med 450A vern.
Related Lengths & Currents (400V)
450A · 5m (400V)450A · 10m (400V)450A · 15m (400V)450A · 20m (400V)450A · 30m (400V)450A · 35m (400V)450A · 40m (400V)450A · 45m (400V)450A · 50m (400V)450A · 60m (400V)450A · 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)80A · 25m (400V)100A · 25m (400V)125A · 25m (400V)160A · 25m (400V)200A · 25m (400V)