Kabeltverrsnitt for 750 Ampere ved 250 Meter (230V — NEK 400)
Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 750 A over 250 m ved 230V.
Copper Cable (≤3% Drop)3× 400 mm²Drop: 6.69V (2.91%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 33.09V (14.39%)
Voltage at Load223.3 VLine Loss: 5015.6 W
Max Power & Breaker172.5 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A at 250m
| 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 | 5350.0 V (2326.09%) | 0.0 V | 8825.0 V (3836.96%) | 4012500.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3210.0 V (1395.65%) | 0.0 V | 5295.0 V (2302.17%) | 2407500.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2006.25 V (872.28%) | 0.0 V | 3309.37 V (1438.86%) | 1504687.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1337.5 V (581.52%) | 0.0 V | 2206.25 V (959.24%) | 1003125.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 802.5 V (348.91%) | 0.0 V | 1323.75 V (575.54%) | 601875.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 501.56 V (218.07%) | 0.0 V | 827.34 V (359.71%) | 376171.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 321.0 V (139.57%) | 0.0 V | 529.5 V (230.22%) | 240750.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 229.29 V (99.69%) | 0.7 V | 378.21 V (164.44%) | 171964.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 160.5 V (69.78%) | 69.5 V | 264.75 V (115.11%) | 120375.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 114.64 V (49.84%) | 115.4 V | 189.11 V (82.22%) | 85982.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 84.47 V (36.73%) | 145.5 V | 139.34 V (60.58%) | 63355.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 66.88 V (29.08%) | 163.1 V | 110.31 V (47.96%) | 50156.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 53.5 V (23.26%) | 176.5 V | 88.25 V (38.37%) | 40125.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 43.38 V (18.86%) | 186.6 V | 71.55 V (31.11%) | 32533.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 33.44 V (14.54%) | 196.6 V | 55.16 V (23.98%) | 25078.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 26.75 V (11.63%) | 203.2 V | 44.12 V (19.18%) | 20062.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 20.06 V (8.72%) | 209.9 V | 33.09 V (14.39%) | 15046.9 W | Drop High |
FAQ — Kabeltverrsnitt for 750 Ampere ved 250 Meter (230V — NEK 400)
Hvilket kabeltverrsnitt må jeg bruke for 750A over 250 meter (230V)?
Etter NEK 400 anbefales 3× 400 mm² kobberkabel for 750A ved 250 meter (230V), som gir et spenningsfall på 6.69V (2.91%).
Hvor mange kW tåler 750A ved 230V?
Kursen leverer opptil 172.5 kW med 800A vern.
Related Lengths & Currents (230V)
750A · 5m (230V)750A · 10m (230V)750A · 15m (230V)750A · 20m (230V)750A · 25m (230V)750A · 30m (230V)750A · 35m (230V)750A · 40m (230V)750A · 45m (230V)750A · 50m (230V)750A · 60m (230V)750A · 70m (230V)10A · 250m (230V)16A · 250m (230V)20A · 250m (230V)25A · 250m (230V)32A · 250m (230V)40A · 250m (230V)50A · 250m (230V)63A · 250m (230V)80A · 250m (230V)100A · 250m (230V)125A · 250m (230V)160A · 250m (230V)200A · 250m (230V)