Kabeltverrsnitt for 300 Ampere ved 120 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 300 A over 120 m ved 230V.
Copper Cable (≤3% Drop)240 mm²Drop: 6.42V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.35V (2.76%)
Voltage at Load223.6 VLine Loss: 1926.0 W
Max Power & Breaker69.0 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 300A 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 | 1027.2 V (446.61%) | 0.0 V | 1694.4 V (736.7%) | 308160.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 616.32 V (267.97%) | 0.0 V | 1016.64 V (442.02%) | 184896.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 385.2 V (167.48%) | 0.0 V | 635.4 V (276.26%) | 115560.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 77040.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 154.08 V (66.99%) | 75.9 V | 254.16 V (110.5%) | 46224.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 96.3 V (41.87%) | 133.7 V | 158.85 V (69.07%) | 28890.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 61.63 V (26.8%) | 168.4 V | 101.66 V (44.2%) | 18489.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 44.02 V (19.14%) | 186.0 V | 72.62 V (31.57%) | 13206.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 30.82 V (13.4%) | 199.2 V | 50.83 V (22.1%) | 9244.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 22.01 V (9.57%) | 208.0 V | 36.31 V (15.79%) | 6603.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 16.22 V (7.05%) | 213.8 V | 26.75 V (11.63%) | 4865.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 12.84 V (5.58%) | 217.2 V | 21.18 V (9.21%) | 3852.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 10.27 V (4.47%) | 219.7 V | 16.94 V (7.37%) | 3081.6 W | ~ ≤5% |
| 185 mm² | 353 A | 275 A | 8.33 V (3.62%) | 221.7 V | 13.74 V (5.97%) | 2498.6 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 6.42 V (2.79%) | 223.6 V | 10.59 V (4.6%) | 1926.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 5.14 V (2.23%) | 224.9 V | 8.47 V (3.68%) | 1540.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 3.85 V (1.67%) | 226.1 V | 6.35 V (2.76%) | 1155.6 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 300 Ampere ved 120 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 300A over 120 meter (230V)?
Etter NEK 400 anbefales 240 mm² kobberkabel for 300A ved 120 meter (230V), som gir et spenningsfall på 6.42V (2.79%).
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 · 45m (230V)300A · 50m (230V)300A · 60m (230V)300A · 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)