Kabeltværsnit for 250 Ampere ved 70 Meter (400V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 250 A over 70 m ved 400V.
Copper Cable (≤3% Drop)120 mm²Drop: 5.41V (1.35%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 5.78V (1.45%)
Voltage at Load394.6 VLine Loss: 2340.6 W
Max Power & Breaker173.21 kW250A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A at 70m
| 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 | 432.44 V (108.11%) | 0.0 V | 713.32 V (178.33%) | 187250.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 259.46 V (64.87%) | 140.5 V | 427.99 V (107.0%) | 112350.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 162.16 V (40.54%) | 237.8 V | 267.49 V (66.87%) | 70218.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 108.11 V (27.03%) | 291.9 V | 178.33 V (44.58%) | 46812.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 64.87 V (16.22%) | 335.1 V | 107.0 V (26.75%) | 28087.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 40.54 V (10.14%) | 359.5 V | 66.87 V (16.72%) | 17554.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 25.95 V (6.49%) | 374.1 V | 42.8 V (10.7%) | 11235.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 18.53 V (4.63%) | 381.5 V | 30.57 V (7.64%) | 8025.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 12.97 V (3.24%) | 387.0 V | 21.4 V (5.35%) | 5617.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 9.27 V (2.32%) | 390.7 V | 15.29 V (3.82%) | 4012.5 W | Drop High |
| 95 mm² | 232 A | 181 A | 6.83 V (1.71%) | 393.2 V | 11.26 V (2.82%) | 2956.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 5.41 V (1.35%) | 394.6 V | 8.92 V (2.23%) | 2340.6 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 4.32 V (1.08%) | 395.7 V | 7.13 V (1.78%) | 1872.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.51 V (0.88%) | 396.5 V | 5.78 V (1.45%) | 1518.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.7 V (0.68%) | 397.3 V | 4.46 V (1.11%) | 1170.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.16 V (0.54%) | 397.8 V | 3.57 V (0.89%) | 936.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.62 V (0.41%) | 398.4 V | 2.67 V (0.67%) | 702.2 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 250 Ampere ved 70 Meter (400V)
Hvilket kabeltværsnit kræves til 250A ved 70 meter (400V)?
Til 250 Ampere over 70 meter ved 400V anbefales 120 mm² kobberkabel (spændingsfald 5.41V / 1.35%).
Hvor mange kW svarer 250A ved 400V til?
Det svarer til 173.21 kW med en anbefalet sikring på 250A.
Related Lengths & Currents (400V)
250A · 5m (400V)250A · 10m (400V)250A · 15m (400V)250A · 20m (400V)250A · 25m (400V)250A · 30m (400V)250A · 35m (400V)250A · 40m (400V)250A · 45m (400V)250A · 50m (400V)250A · 60m (400V)10A · 70m (400V)16A · 70m (400V)20A · 70m (400V)25A · 70m (400V)32A · 70m (400V)40A · 70m (400V)50A · 70m (400V)63A · 70m (400V)80A · 70m (400V)100A · 70m (400V)125A · 70m (400V)160A · 70m (400V)200A · 70m (400V)