Kabeltverrsnitt for 475 Ampere ved 120 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 475 A over 120 m ved 230V.
Copper Cable (≤3% Drop)400 mm²Drop: 6.1V (2.65%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.06V (4.37%)
Voltage at Load223.9 VLine Loss: 2897.0 W
Max Power & Breaker109.25 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 120m
| 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 | 1626.4 V (707.13%) | 0.0 V | 2682.8 V (1166.43%) | 772540.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 975.84 V (424.28%) | 0.0 V | 1609.68 V (699.86%) | 463524.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 609.9 V (265.17%) | 0.0 V | 1006.05 V (437.41%) | 289702.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 406.6 V (176.78%) | 0.0 V | 670.7 V (291.61%) | 193135.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 243.96 V (106.07%) | 0.0 V | 402.42 V (174.97%) | 115881.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 152.47 V (66.29%) | 77.5 V | 251.51 V (109.35%) | 72425.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 97.58 V (42.43%) | 132.4 V | 160.97 V (69.99%) | 46352.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 69.7 V (30.31%) | 160.3 V | 114.98 V (49.99%) | 33108.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 48.79 V (21.21%) | 181.2 V | 80.48 V (34.99%) | 23176.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 34.85 V (15.15%) | 195.1 V | 57.49 V (25.0%) | 16554.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 25.68 V (11.17%) | 204.3 V | 42.36 V (18.42%) | 12198.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 20.33 V (8.84%) | 209.7 V | 33.53 V (14.58%) | 9656.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 16.26 V (7.07%) | 213.7 V | 26.83 V (11.66%) | 7725.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 13.19 V (5.73%) | 216.8 V | 21.75 V (9.46%) | 6263.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 10.16 V (4.42%) | 219.8 V | 16.77 V (7.29%) | 4828.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 8.13 V (3.54%) | 221.9 V | 13.41 V (5.83%) | 3862.7 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 6.1 V (2.65%) | 223.9 V | 10.06 V (4.37%) | 2897.0 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 475 Ampere ved 120 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 475A over 120 meter (230V)?
Etter NEK 400 anbefales 400 mm² kobberkabel for 475A ved 120 meter (230V), som gir et spenningsfall på 6.1V (2.65%).
Hvor mange kW tåler 475A ved 230V?
Kursen leverer opptil 109.25 kW med 500A vern.
Related Lengths & Currents (230V)
475A · 5m (230V)475A · 10m (230V)475A · 15m (230V)475A · 20m (230V)475A · 25m (230V)475A · 30m (230V)475A · 35m (230V)475A · 40m (230V)475A · 45m (230V)475A · 50m (230V)475A · 60m (230V)475A · 70m (230V)10A · 120m (230V)16A · 120m (230V)20A · 120m (230V)25A · 120m (230V)32A · 120m (230V)40A · 120m (230V)50A · 120m (230V)63A · 120m (230V)80A · 120m (230V)100A · 120m (230V)125A · 120m (230V)160A · 120m (230V)200A · 120m (230V)