Kabeltverrsnitt for 300 Ampere ved 45 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 300 A over 45 m ved 230V.
Copper Cable (≤3% Drop)150 mm²Drop: 3.85V (1.67%)
Aluminum Cable (≤3% Drop)240 mm²Drop: 3.97V (1.73%)
Voltage at Load226.1 VLine Loss: 1155.6 W
Max Power & Breaker69.0 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 300A 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 | 385.2 V (167.48%) | 0.0 V | 635.4 V (276.26%) | 115560.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 231.12 V (100.49%) | 0.0 V | 381.24 V (165.76%) | 69336.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 144.45 V (62.8%) | 85.6 V | 238.27 V (103.6%) | 43335.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 96.3 V (41.87%) | 133.7 V | 158.85 V (69.07%) | 28890.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 57.78 V (25.12%) | 172.2 V | 95.31 V (41.44%) | 17334.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 36.11 V (15.7%) | 193.9 V | 59.57 V (25.9%) | 10833.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 23.11 V (10.05%) | 206.9 V | 38.12 V (16.58%) | 6933.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 16.51 V (7.18%) | 213.5 V | 27.23 V (11.84%) | 4952.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 11.56 V (5.02%) | 218.4 V | 19.06 V (8.29%) | 3466.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 8.25 V (3.59%) | 221.7 V | 13.62 V (5.92%) | 2476.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 6.08 V (2.64%) | 223.9 V | 10.03 V (4.36%) | 1824.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.81 V (2.09%) | 225.2 V | 7.94 V (3.45%) | 1444.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.85 V (1.67%) | 226.1 V | 6.35 V (2.76%) | 1155.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.12 V (1.36%) | 226.9 V | 5.15 V (2.24%) | 937.0 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.41 V (1.05%) | 227.6 V | 3.97 V (1.73%) | 722.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.93 V (0.84%) | 228.1 V | 3.18 V (1.38%) | 577.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.44 V (0.63%) | 228.6 V | 2.38 V (1.04%) | 433.3 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 300 Ampere ved 45 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 300A over 45 meter (230V)?
Etter NEK 400 anbefales 150 mm² kobberkabel for 300A ved 45 meter (230V), som gir et spenningsfall på 3.85V (1.67%).
Hvor mange kW tåler 300A ved 230V?
Kursen leverer opptil 69.0 kW med 300A vern.
Related Lengths & Currents (230V)
300A · 5m (230V)300A · 10m (230V)300A · 15m (230V)300A · 20m (230V)300A · 25m (230V)300A · 30m (230V)300A · 35m (230V)300A · 40m (230V)300A · 50m (230V)300A · 60m (230V)300A · 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)