Kabelarea för 125 Ampere vid 250 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 125 A över 250 m vid 400V.
Copper Cable (≤3% Drop)120 mm²Drop: 9.65V (2.41%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 10.33V (2.58%)
Voltage at Load390.3 VLine Loss: 2089.8 W
Max Power & Breaker86.6 kW125A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 125A 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 | 772.21 V (193.05%) | 0.0 V | 1273.78 V (318.44%) | 167187.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 463.32 V (115.83%) | 0.0 V | 764.27 V (191.07%) | 100312.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 289.58 V (72.39%) | 110.4 V | 477.67 V (119.42%) | 62695.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 193.05 V (48.26%) | 206.9 V | 318.44 V (79.61%) | 41796.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 115.83 V (28.96%) | 284.2 V | 191.07 V (47.77%) | 25078.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 72.39 V (18.1%) | 327.6 V | 119.42 V (29.85%) | 15673.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 46.33 V (11.58%) | 353.7 V | 76.43 V (19.11%) | 10031.2 W | Drop High |
| 35 mm² | 125 A | 97 A | 33.09 V (8.27%) | 366.9 V | 54.59 V (13.65%) | 7165.2 W | Drop High |
| 50 mm² | 151 A | 118 A | 23.17 V (5.79%) | 376.8 V | 38.21 V (9.55%) | 5015.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 16.55 V (4.14%) | 383.5 V | 27.3 V (6.82%) | 3582.6 W | ~ ≤5% |
| 95 mm² | 232 A | 181 A | 12.19 V (3.05%) | 387.8 V | 20.11 V (5.03%) | 2639.8 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 9.65 V (2.41%) | 390.3 V | 15.92 V (3.98%) | 2089.8 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 7.72 V (1.93%) | 392.3 V | 12.74 V (3.18%) | 1671.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 6.26 V (1.57%) | 393.7 V | 10.33 V (2.58%) | 1355.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 4.83 V (1.21%) | 395.2 V | 7.96 V (1.99%) | 1044.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 3.86 V (0.97%) | 396.1 V | 6.37 V (1.59%) | 835.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 2.9 V (0.72%) | 397.1 V | 4.78 V (1.19%) | 627.0 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 125 Ampere vid 250 Meter (400V)
Vilken kabelarea krävs för 125A vid 250 meter (400V)?
För 125 Ampere över 250 meter vid 400V rekommenderas 120 mm² kopparkabel för att hålla spänningsfallet under 3% (9.65V / 2.41%).
Hur stor effekt motsvarar 125A vid 400V?
Det motsvarar 86.6 kW med en rekommenderad säkring på 125A.
Related Lengths & Currents (400V)
125A · 5m (400V)125A · 10m (400V)125A · 15m (400V)125A · 20m (400V)125A · 25m (400V)125A · 30m (400V)125A · 35m (400V)125A · 40m (400V)125A · 45m (400V)125A · 50m (400V)125A · 60m (400V)125A · 70m (400V)10A · 250m (400V)16A · 250m (400V)20A · 250m (400V)25A · 250m (400V)32A · 250m (400V)40A · 250m (400V)50A · 250m (400V)63A · 250m (400V)80A · 250m (400V)100A · 250m (400V)160A · 250m (400V)200A · 250m (400V)