Kabeltverrsnitt for 50 Ampere ved 350 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 50 A over 350 m ved 400V.
Copper Cable (≤3% Drop)70 mm²Drop: 9.27V (2.32%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 11.26V (2.82%)
Voltage at Load390.7 VLine Loss: 802.5 W
Max Power & Breaker34.64 kW50A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 50A at 350m
| 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 | 432.44 V (108.11%) | 0.0 V | 713.32 V (178.33%) | 37450.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 259.46 V (64.87%) | 140.5 V | 427.99 V (107.0%) | 22470.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 162.16 V (40.54%) | 237.8 V | 267.49 V (66.87%) | 14043.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 108.11 V (27.03%) | 291.9 V | 178.33 V (44.58%) | 9362.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 64.87 V (16.22%) | 335.1 V | 107.0 V (26.75%) | 5617.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 40.54 V (10.14%) | 359.5 V | 66.87 V (16.72%) | 3510.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 25.95 V (6.49%) | 374.1 V | 42.8 V (10.7%) | 2247.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 18.53 V (4.63%) | 381.5 V | 30.57 V (7.64%) | 1605.0 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 12.97 V (3.24%) | 387.0 V | 21.4 V (5.35%) | 1123.5 W | ~ ≤5% |
| 70 mm² | 192 A | 150 A | 9.27 V (2.32%) | 390.7 V | 15.29 V (3.82%) | 802.5 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 6.83 V (1.71%) | 393.2 V | 11.26 V (2.82%) | 591.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 5.41 V (1.35%) | 394.6 V | 8.92 V (2.23%) | 468.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 4.32 V (1.08%) | 395.7 V | 7.13 V (1.78%) | 374.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.51 V (0.88%) | 396.5 V | 5.78 V (1.45%) | 303.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.7 V (0.68%) | 397.3 V | 4.46 V (1.11%) | 234.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.16 V (0.54%) | 397.8 V | 3.57 V (0.89%) | 187.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.62 V (0.41%) | 398.4 V | 2.67 V (0.67%) | 140.4 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 50 Ampere ved 350 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 50A over 350 meter (400V)?
Etter NEK 400 anbefales 70 mm² kobberkabel for 50A ved 350 meter (400V), som gir et spenningsfall på 9.27V (2.32%).
Hvor mange kW tåler 50A ved 400V?
Kursen leverer opptil 34.64 kW med 50A vern.
Related Lengths & Currents (400V)
50A · 5m (400V)50A · 10m (400V)50A · 15m (400V)50A · 20m (400V)50A · 25m (400V)50A · 30m (400V)50A · 35m (400V)50A · 40m (400V)50A · 45m (400V)50A · 50m (400V)50A · 60m (400V)50A · 70m (400V)10A · 350m (400V)16A · 350m (400V)20A · 350m (400V)25A · 350m (400V)32A · 350m (400V)40A · 350m (400V)63A · 350m (400V)80A · 350m (400V)100A · 350m (400V)125A · 350m (400V)160A · 350m (400V)200A · 350m (400V)