Kabeltverrsnitt for 275 Ampere ved 20 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 275 A over 20 m ved 230V.
Copper Cable (≤3% Drop)150 mm²Drop: 1.57V (0.68%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 2.1V (0.91%)
Voltage at Load228.4 VLine Loss: 431.6 W
Max Power & Breaker63.25 kW300A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 275A at 20m
| 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 | 156.93 V (68.23%) | 73.1 V | 258.87 V (112.55%) | 43156.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 94.16 V (40.94%) | 135.8 V | 155.32 V (67.53%) | 25894.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 58.85 V (25.59%) | 171.2 V | 97.07 V (42.21%) | 16183.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 39.23 V (17.06%) | 190.8 V | 64.72 V (28.14%) | 10789.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 23.54 V (10.23%) | 206.5 V | 38.83 V (16.88%) | 6473.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 14.71 V (6.4%) | 215.3 V | 24.27 V (10.55%) | 4045.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 9.42 V (4.09%) | 220.6 V | 15.53 V (6.75%) | 2589.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 6.73 V (2.92%) | 223.3 V | 11.09 V (4.82%) | 1849.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.71 V (2.05%) | 225.3 V | 7.77 V (3.38%) | 1294.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 3.36 V (1.46%) | 226.6 V | 5.55 V (2.41%) | 924.8 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.48 V (1.08%) | 227.5 V | 4.09 V (1.78%) | 681.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.96 V (0.85%) | 228.0 V | 3.24 V (1.41%) | 539.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.57 V (0.68%) | 228.4 V | 2.59 V (1.13%) | 431.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.27 V (0.55%) | 228.7 V | 2.1 V (0.91%) | 349.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.98 V (0.43%) | 229.0 V | 1.62 V (0.7%) | 269.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.78 V (0.34%) | 229.2 V | 1.29 V (0.56%) | 215.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.59 V (0.26%) | 229.4 V | 0.97 V (0.42%) | 161.8 W | ✓ OK (≤3%) |
FAQ — Kabeltverrsnitt for 275 Ampere ved 20 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 275A over 20 meter (230V)?
Etter NEK 400 anbefales 150 mm² kobberkabel for 275A ved 20 meter (230V), som gir et spenningsfall på 1.57V (0.68%).
Hvor mange kW tåler 275A ved 230V?
Kursen leverer opptil 63.25 kW med 300A vern.
Related Lengths & Currents (230V)
275A · 5m (230V)275A · 10m (230V)275A · 15m (230V)275A · 25m (230V)275A · 30m (230V)275A · 35m (230V)275A · 40m (230V)275A · 45m (230V)275A · 50m (230V)275A · 60m (230V)275A · 70m (230V)10A · 20m (230V)16A · 20m (230V)20A · 20m (230V)25A · 20m (230V)32A · 20m (230V)40A · 20m (230V)50A · 20m (230V)63A · 20m (230V)80A · 20m (230V)100A · 20m (230V)125A · 20m (230V)160A · 20m (230V)200A · 20m (230V)