Kabeltverrsnitt for 475 Ampere ved 30 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 475 A over 30 m ved 400V.
Copper Cable (≤3% Drop)300 mm²Drop: 1.76V (0.44%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.18V (0.54%)
Voltage at Load398.2 VLine Loss: 1448.5 W
Max Power & Breaker329.09 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 30m
| 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 | 352.13 V (88.03%) | 47.9 V | 580.84 V (145.21%) | 289702.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 211.28 V (52.82%) | 188.7 V | 348.51 V (87.13%) | 173821.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 132.05 V (33.01%) | 268.0 V | 217.82 V (54.45%) | 108638.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 88.03 V (22.01%) | 312.0 V | 145.21 V (36.3%) | 72425.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 52.82 V (13.2%) | 347.2 V | 87.13 V (21.78%) | 43455.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 33.01 V (8.25%) | 367.0 V | 54.45 V (13.61%) | 27159.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 21.13 V (5.28%) | 378.9 V | 34.85 V (8.71%) | 17382.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 15.09 V (3.77%) | 384.9 V | 24.89 V (6.22%) | 12415.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 10.56 V (2.64%) | 389.4 V | 17.43 V (4.36%) | 8691.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 7.55 V (1.89%) | 392.5 V | 12.45 V (3.11%) | 6207.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.56 V (1.39%) | 394.4 V | 9.17 V (2.29%) | 4574.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.4 V (1.1%) | 395.6 V | 7.26 V (1.82%) | 3621.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.52 V (0.88%) | 396.5 V | 5.81 V (1.45%) | 2897.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.86 V (0.71%) | 397.1 V | 4.71 V (1.18%) | 2348.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.2 V (0.55%) | 397.8 V | 3.63 V (0.91%) | 1810.6 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.76 V (0.44%) | 398.2 V | 2.9 V (0.73%) | 1448.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.32 V (0.33%) | 398.7 V | 2.18 V (0.54%) | 1086.4 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 475 Ampere ved 30 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 475A over 30 meter (400V)?
Etter NEK 400 anbefales 300 mm² kobberkabel for 475A ved 30 meter (400V), som gir et spenningsfall på 1.76V (0.44%).
Hvor mange kW tåler 475A ved 400V?
Kursen leverer opptil 329.09 kW med 500A vern.
Related Lengths & Currents (400V)
475A · 5m (400V)475A · 10m (400V)475A · 15m (400V)475A · 20m (400V)475A · 25m (400V)475A · 35m (400V)475A · 40m (400V)475A · 45m (400V)475A · 50m (400V)475A · 60m (400V)475A · 70m (400V)10A · 30m (400V)16A · 30m (400V)20A · 30m (400V)25A · 30m (400V)32A · 30m (400V)40A · 30m (400V)50A · 30m (400V)63A · 30m (400V)80A · 30m (400V)100A · 30m (400V)125A · 30m (400V)160A · 30m (400V)200A · 30m (400V)