Kabeltverrsnitt for 750 Ampere ved 40 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 750 A over 40 m ved 400V.
Copper Cable (≤3% Drop)2× 400 mm²Drop: 1.39V (0.34%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 4.59V (1.15%)
Voltage at Load398.6 VLine Loss: 1805.6 W
Max Power & Breaker519.62 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A at 40m
| 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 | 741.32 V (185.33%) | 0.0 V | 1222.83 V (305.71%) | 963000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 444.79 V (111.2%) | 0.0 V | 733.7 V (183.42%) | 577800.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 277.99 V (69.5%) | 122.0 V | 458.56 V (114.64%) | 361125.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 185.33 V (46.33%) | 214.7 V | 305.71 V (76.43%) | 240750.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 111.2 V (27.8%) | 288.8 V | 183.42 V (45.86%) | 144450.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 69.5 V (17.37%) | 330.5 V | 114.64 V (28.66%) | 90281.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 44.48 V (11.12%) | 355.5 V | 73.37 V (18.34%) | 57780.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 31.77 V (7.94%) | 368.2 V | 52.41 V (13.1%) | 41271.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 22.24 V (5.56%) | 377.8 V | 36.68 V (9.17%) | 28890.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 15.89 V (3.97%) | 384.1 V | 26.2 V (6.55%) | 20635.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 11.71 V (2.93%) | 388.3 V | 19.31 V (4.83%) | 15205.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 9.27 V (2.32%) | 390.7 V | 15.29 V (3.82%) | 12037.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 7.41 V (1.85%) | 392.6 V | 12.23 V (3.06%) | 9630.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 6.01 V (1.5%) | 394.0 V | 9.91 V (2.48%) | 7808.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 4.63 V (1.16%) | 395.4 V | 7.64 V (1.91%) | 6018.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 4815.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 2.78 V (0.69%) | 397.2 V | 4.59 V (1.15%) | 3611.2 W | Drop High |
FAQ — Kabeltverrsnitt for 750 Ampere ved 40 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 750A over 40 meter (400V)?
Etter NEK 400 anbefales 2× 400 mm² kobberkabel for 750A ved 40 meter (400V), som gir et spenningsfall på 1.39V (0.34%).
Hvor mange kW tåler 750A ved 400V?
Kursen leverer opptil 519.62 kW med 800A vern.
Related Lengths & Currents (400V)
750A · 5m (400V)750A · 10m (400V)750A · 15m (400V)750A · 20m (400V)750A · 25m (400V)750A · 30m (400V)750A · 35m (400V)750A · 45m (400V)750A · 50m (400V)750A · 60m (400V)750A · 70m (400V)10A · 40m (400V)16A · 40m (400V)20A · 40m (400V)25A · 40m (400V)32A · 40m (400V)40A · 40m (400V)50A · 40m (400V)63A · 40m (400V)80A · 40m (400V)100A · 40m (400V)125A · 40m (400V)160A · 40m (400V)200A · 40m (400V)