Kabeltverrsnitt for 425 Ampere ved 300 Meter (400V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 425 A over 300 m ved 400V.
Copper Cable (≤3% Drop)400 mm²Drop: 11.81V (2.95%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 19.49V (4.87%)
Voltage at Load388.2 VLine Loss: 8697.1 W
Max Power & Breaker294.45 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 300m
| 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 | 3150.6 V (787.65%) | 0.0 V | 5197.02 V (1299.25%) | 2319225.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1890.36 V (472.59%) | 0.0 V | 3118.21 V (779.55%) | 1391535.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1181.48 V (295.37%) | 0.0 V | 1948.88 V (487.22%) | 869709.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 787.65 V (196.91%) | 0.0 V | 1299.25 V (324.81%) | 579806.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 472.59 V (118.15%) | 0.0 V | 779.55 V (194.89%) | 347883.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 295.37 V (73.84%) | 104.6 V | 487.22 V (121.81%) | 217427.3 W | Drop High |
| 25 mm² | 101 A | 78 A | 189.04 V (47.26%) | 211.0 V | 311.82 V (77.96%) | 139153.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 135.03 V (33.76%) | 265.0 V | 222.73 V (55.68%) | 99395.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 94.52 V (23.63%) | 305.5 V | 155.91 V (38.98%) | 69576.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 67.51 V (16.88%) | 332.5 V | 111.36 V (27.84%) | 49697.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 49.75 V (12.44%) | 350.3 V | 82.06 V (20.51%) | 36619.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 39.38 V (9.85%) | 360.6 V | 64.96 V (16.24%) | 28990.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 31.51 V (7.88%) | 368.5 V | 51.97 V (12.99%) | 23192.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 25.55 V (6.39%) | 374.5 V | 42.14 V (10.53%) | 18804.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 19.69 V (4.92%) | 380.3 V | 32.48 V (8.12%) | 14495.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 15.75 V (3.94%) | 384.2 V | 25.99 V (6.5%) | 11596.1 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 11.81 V (2.95%) | 388.2 V | 19.49 V (4.87%) | 8697.1 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 425 Ampere ved 300 Meter (400V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 425A over 300 meter (400V)?
Etter NEK 400 anbefales 400 mm² kobberkabel for 425A ved 300 meter (400V), som gir et spenningsfall på 11.81V (2.95%).
Hvor mange kW tåler 425A ved 400V?
Kursen leverer opptil 294.45 kW med 450A vern.
Related Lengths & Currents (400V)
425A · 5m (400V)425A · 10m (400V)425A · 15m (400V)425A · 20m (400V)425A · 25m (400V)425A · 30m (400V)425A · 35m (400V)425A · 40m (400V)425A · 45m (400V)425A · 50m (400V)425A · 60m (400V)425A · 70m (400V)10A · 300m (400V)16A · 300m (400V)20A · 300m (400V)25A · 300m (400V)32A · 300m (400V)40A · 300m (400V)50A · 300m (400V)63A · 300m (400V)80A · 300m (400V)100A · 300m (400V)125A · 300m (400V)160A · 300m (400V)200A · 300m (400V)