Kabeltverrsnitt for 175 Ampere ved 70 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 175 A over 70 m ved 400V.
Copper Cable (≤3% Drop)70 mm²Drop: 6.49V (1.62%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 7.88V (1.97%)
Voltage at Load393.5 VLine Loss: 1966.1 W
Max Power & Breaker121.24 kW175A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 70m
| 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 | 302.7 V (75.68%) | 97.3 V | 499.32 V (124.83%) | 91752.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 181.62 V (45.41%) | 218.4 V | 299.59 V (74.9%) | 55051.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 113.51 V (28.38%) | 286.5 V | 187.25 V (46.81%) | 34407.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 75.68 V (18.92%) | 324.3 V | 124.83 V (31.21%) | 22938.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 45.41 V (11.35%) | 354.6 V | 74.9 V (18.72%) | 13762.9 W | Drop High |
| 16 mm² | 76 A | 59 A | 28.38 V (7.09%) | 371.6 V | 46.81 V (11.7%) | 8601.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 18.16 V (4.54%) | 381.8 V | 29.96 V (7.49%) | 5505.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 12.97 V (3.24%) | 387.0 V | 21.4 V (5.35%) | 3932.2 W | Drop High |
| 50 mm² | 151 A | 118 A | 9.08 V (2.27%) | 390.9 V | 14.98 V (3.74%) | 2752.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.49 V (1.62%) | 393.5 V | 10.7 V (2.67%) | 1966.1 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 4.78 V (1.19%) | 395.2 V | 7.88 V (1.97%) | 1448.7 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 3.78 V (0.95%) | 396.2 V | 6.24 V (1.56%) | 1146.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 3.03 V (0.76%) | 397.0 V | 4.99 V (1.25%) | 917.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 2.45 V (0.61%) | 397.5 V | 4.05 V (1.01%) | 743.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.89 V (0.47%) | 398.1 V | 3.12 V (0.78%) | 573.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.51 V (0.38%) | 398.5 V | 2.5 V (0.62%) | 458.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.14 V (0.28%) | 398.9 V | 1.87 V (0.47%) | 344.1 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 175 Ampere ved 70 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 175A over 70 meter (400V)?
Etter NEK 400 anbefales 70 mm² kobberkabel for 175A ved 70 meter (400V), som gir et spenningsfall på 6.49V (1.62%).
Hvor mange kW tåler 175A ved 400V?
Kursen leverer opptil 121.24 kW med 175A vern.
Related Lengths & Currents (400V)
175A · 5m (400V)175A · 10m (400V)175A · 15m (400V)175A · 20m (400V)175A · 25m (400V)175A · 30m (400V)175A · 35m (400V)175A · 40m (400V)175A · 45m (400V)175A · 50m (400V)175A · 60m (400V)10A · 70m (400V)16A · 70m (400V)20A · 70m (400V)25A · 70m (400V)32A · 70m (400V)40A · 70m (400V)50A · 70m (400V)63A · 70m (400V)80A · 70m (400V)100A · 70m (400V)125A · 70m (400V)160A · 70m (400V)200A · 70m (400V)