Kabeltverrsnitt for 325 Ampere ved 30 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 325 A over 30 m ved 230V.
Copper Cable (≤3% Drop)185 mm²Drop: 2.26V (0.98%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 2.29V (1.0%)
Voltage at Load227.7 VLine Loss: 733.1 W
Max Power & Breaker74.75 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A 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 | 278.2 V (120.96%) | 0.0 V | 458.9 V (199.52%) | 90415.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 166.92 V (72.57%) | 63.1 V | 275.34 V (119.71%) | 54249.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 104.33 V (45.36%) | 125.7 V | 172.09 V (74.82%) | 33905.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 69.55 V (30.24%) | 160.4 V | 114.72 V (49.88%) | 22603.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 41.73 V (18.14%) | 188.3 V | 68.83 V (29.93%) | 13562.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 26.08 V (11.34%) | 203.9 V | 43.02 V (18.71%) | 8476.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 16.69 V (7.26%) | 213.3 V | 27.53 V (11.97%) | 5424.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 11.92 V (5.18%) | 218.1 V | 19.67 V (8.55%) | 3874.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.35 V (3.63%) | 221.7 V | 13.77 V (5.99%) | 2712.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 5.96 V (2.59%) | 224.0 V | 9.83 V (4.28%) | 1937.5 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.39 V (1.91%) | 225.6 V | 7.25 V (3.15%) | 1427.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.48 V (1.51%) | 226.5 V | 5.74 V (2.49%) | 1130.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.78 V (1.21%) | 227.2 V | 4.59 V (2.0%) | 904.1 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.26 V (0.98%) | 227.7 V | 3.72 V (1.62%) | 733.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.74 V (0.76%) | 228.3 V | 2.87 V (1.25%) | 565.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.39 V (0.6%) | 228.6 V | 2.29 V (1.0%) | 452.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.04 V (0.45%) | 229.0 V | 1.72 V (0.75%) | 339.1 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 325 Ampere ved 30 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 325A over 30 meter (230V)?
Etter NEK 400 anbefales 185 mm² kobberkabel for 325A ved 30 meter (230V), som gir et spenningsfall på 2.26V (0.98%).
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 · 35m (230V)325A · 40m (230V)325A · 45m (230V)325A · 50m (230V)325A · 60m (230V)325A · 70m (230V)10A · 30m (230V)16A · 30m (230V)20A · 30m (230V)25A · 30m (230V)32A · 30m (230V)40A · 30m (230V)50A · 30m (230V)63A · 30m (230V)80A · 30m (230V)100A · 30m (230V)125A · 30m (230V)160A · 30m (230V)200A · 30m (230V)