Kabeltverrsnitt for 475 Ampere ved 45 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 475 A over 45 m ved 230V.
Copper Cable (≤3% Drop)300 mm²Drop: 3.05V (1.33%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.77V (1.64%)
Voltage at Load227.0 VLine Loss: 1448.5 W
Max Power & Breaker109.25 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A 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 | 609.9 V (265.17%) | 0.0 V | 1006.05 V (437.41%) | 289702.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 365.94 V (159.1%) | 0.0 V | 603.63 V (262.45%) | 173821.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 228.71 V (99.44%) | 1.3 V | 377.27 V (164.03%) | 108638.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 152.47 V (66.29%) | 77.5 V | 251.51 V (109.35%) | 72425.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 91.48 V (39.78%) | 138.5 V | 150.91 V (65.61%) | 43455.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 57.18 V (24.86%) | 172.8 V | 94.32 V (41.01%) | 27159.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 36.59 V (15.91%) | 193.4 V | 60.36 V (26.24%) | 17382.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 26.14 V (11.36%) | 203.9 V | 43.12 V (18.75%) | 12415.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 18.3 V (7.96%) | 211.7 V | 30.18 V (13.12%) | 8691.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 13.07 V (5.68%) | 216.9 V | 21.56 V (9.37%) | 6207.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 9.63 V (4.19%) | 220.4 V | 15.88 V (6.91%) | 4574.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 7.62 V (3.31%) | 222.4 V | 12.58 V (5.47%) | 3621.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 6.1 V (2.65%) | 223.9 V | 10.06 V (4.37%) | 2897.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 4.95 V (2.15%) | 225.1 V | 8.16 V (3.55%) | 2348.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 3.81 V (1.66%) | 226.2 V | 6.29 V (2.73%) | 1810.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 3.05 V (1.33%) | 227.0 V | 5.03 V (2.19%) | 1448.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.29 V (0.99%) | 227.7 V | 3.77 V (1.64%) | 1086.4 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 475 Ampere ved 45 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 475A over 45 meter (230V)?
Etter NEK 400 anbefales 300 mm² kobberkabel for 475A ved 45 meter (230V), som gir et spenningsfall på 3.05V (1.33%).
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 · 50m (230V)475A · 60m (230V)475A · 70m (230V)10A · 45m (230V)16A · 45m (230V)20A · 45m (230V)25A · 45m (230V)32A · 45m (230V)40A · 45m (230V)50A · 45m (230V)63A · 45m (230V)80A · 45m (230V)100A · 45m (230V)125A · 45m (230V)160A · 45m (230V)200A · 45m (230V)