Kabeltverrsnitt for 325 Ampere ved 120 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 325 A over 120 m ved 230V.
Copper Cable (≤3% Drop)300 mm²Drop: 5.56V (2.42%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.88V (2.99%)
Voltage at Load224.4 VLine Loss: 1808.3 W
Max Power & Breaker74.75 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A 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 | 1112.8 V (483.83%) | 0.0 V | 1835.6 V (798.09%) | 361660.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 667.68 V (290.3%) | 0.0 V | 1101.36 V (478.85%) | 216996.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 417.3 V (181.43%) | 0.0 V | 688.35 V (299.28%) | 135622.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 278.2 V (120.96%) | 0.0 V | 458.9 V (199.52%) | 90415.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 166.92 V (72.57%) | 63.1 V | 275.34 V (119.71%) | 54249.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 104.33 V (45.36%) | 125.7 V | 172.09 V (74.82%) | 33905.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 66.77 V (29.03%) | 163.2 V | 110.14 V (47.89%) | 21699.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 47.69 V (20.74%) | 182.3 V | 78.67 V (34.2%) | 15499.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 33.38 V (14.51%) | 196.6 V | 55.07 V (23.94%) | 10849.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 23.85 V (10.37%) | 206.2 V | 39.33 V (17.1%) | 7749.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 17.57 V (7.64%) | 212.4 V | 28.98 V (12.6%) | 5710.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 13.91 V (6.05%) | 216.1 V | 22.95 V (9.98%) | 4520.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 11.13 V (4.84%) | 218.9 V | 18.36 V (7.98%) | 3616.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 9.02 V (3.92%) | 221.0 V | 14.88 V (6.47%) | 2932.4 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 6.96 V (3.02%) | 223.0 V | 11.47 V (4.99%) | 2260.4 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 5.56 V (2.42%) | 224.4 V | 9.18 V (3.99%) | 1808.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 4.17 V (1.81%) | 225.8 V | 6.88 V (2.99%) | 1356.2 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 325 Ampere ved 120 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 325A over 120 meter (230V)?
Etter NEK 400 anbefales 300 mm² kobberkabel for 325A ved 120 meter (230V), som gir et spenningsfall på 5.56V (2.42%).
Hvor mange kW tåler 325A ved 230V?
Kursen leverer opptil 74.75 kW med 350A vern.
Related Lengths & Currents (230V)
325A · 5m (230V)325A · 10m (230V)325A · 15m (230V)325A · 20m (230V)325A · 25m (230V)325A · 30m (230V)325A · 35m (230V)325A · 40m (230V)325A · 45m (230V)325A · 50m (230V)325A · 60m (230V)325A · 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)