Kabeltverrsnitt for 275 Ampere ved 45 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 275 A over 45 m ved 400V.
Copper Cable (≤3% Drop)150 mm²Drop: 3.06V (0.76%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 4.09V (1.02%)
Voltage at Load396.9 VLine Loss: 1456.5 W
Max Power & Breaker190.53 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 275A at 45m
| 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 | 305.79 V (76.45%) | 94.2 V | 504.42 V (126.1%) | 145653.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 183.48 V (45.87%) | 216.5 V | 302.65 V (75.66%) | 87392.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 114.67 V (28.67%) | 285.3 V | 189.16 V (47.29%) | 54620.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 76.45 V (19.11%) | 323.6 V | 126.1 V (31.53%) | 36413.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 45.87 V (11.47%) | 354.1 V | 75.66 V (18.92%) | 21848.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 28.67 V (7.17%) | 371.3 V | 47.29 V (11.82%) | 13655.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 18.35 V (4.59%) | 381.7 V | 30.26 V (7.57%) | 8739.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 13.11 V (3.28%) | 386.9 V | 21.62 V (5.4%) | 6242.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 9.17 V (2.29%) | 390.8 V | 15.13 V (3.78%) | 4369.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.55 V (1.64%) | 393.4 V | 10.81 V (2.7%) | 3121.2 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.83 V (1.21%) | 395.2 V | 7.96 V (1.99%) | 2299.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.82 V (0.96%) | 396.2 V | 6.31 V (1.58%) | 1820.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.06 V (0.76%) | 396.9 V | 5.04 V (1.26%) | 1456.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 2.48 V (0.62%) | 397.5 V | 4.09 V (1.02%) | 1181.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.91 V (0.48%) | 398.1 V | 3.15 V (0.79%) | 910.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.53 V (0.38%) | 398.5 V | 2.52 V (0.63%) | 728.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.15 V (0.29%) | 398.9 V | 1.89 V (0.47%) | 546.2 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 275 Ampere ved 45 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 275A over 45 meter (400V)?
Etter NEK 400 anbefales 150 mm² kobberkabel for 275A ved 45 meter (400V), som gir et spenningsfall på 3.06V (0.76%).
Hvor mange kW tåler 275A ved 400V?
Kursen leverer opptil 190.53 kW med 300A vern.
Related Lengths & Currents (400V)
275A · 5m (400V)275A · 10m (400V)275A · 15m (400V)275A · 20m (400V)275A · 25m (400V)275A · 30m (400V)275A · 35m (400V)275A · 40m (400V)275A · 50m (400V)275A · 60m (400V)275A · 70m (400V)10A · 45m (400V)16A · 45m (400V)20A · 45m (400V)25A · 45m (400V)32A · 45m (400V)40A · 45m (400V)50A · 45m (400V)63A · 45m (400V)80A · 45m (400V)100A · 45m (400V)125A · 45m (400V)160A · 45m (400V)200A · 45m (400V)