Kabeltværsnit for 125 Ampere ved 25 Meter (400V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 125 A over 25 m ved 400V.
Copper Cable (≤3% Drop)35 mm²Drop: 3.31V (0.83%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 2.73V (0.68%)
Voltage at Load396.7 VLine Loss: 716.5 W
Max Power & Breaker86.6 kW125A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 125A at 25m
| 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 | 77.22 V (19.31%) | 322.8 V | 127.38 V (31.84%) | 16718.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 46.33 V (11.58%) | 353.7 V | 76.43 V (19.11%) | 10031.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 28.96 V (7.24%) | 371.0 V | 47.77 V (11.94%) | 6269.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 19.31 V (4.83%) | 380.7 V | 31.84 V (7.96%) | 4179.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 11.58 V (2.9%) | 388.4 V | 19.11 V (4.78%) | 2507.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 7.24 V (1.81%) | 392.8 V | 11.94 V (2.99%) | 1567.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 4.63 V (1.16%) | 395.4 V | 7.64 V (1.91%) | 1003.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.31 V (0.83%) | 396.7 V | 5.46 V (1.36%) | 716.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 2.32 V (0.58%) | 397.7 V | 3.82 V (0.96%) | 501.6 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.65 V (0.41%) | 398.3 V | 2.73 V (0.68%) | 358.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.22 V (0.3%) | 398.8 V | 2.01 V (0.5%) | 264.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.97 V (0.24%) | 399.0 V | 1.59 V (0.4%) | 209.0 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.77 V (0.19%) | 399.2 V | 1.27 V (0.32%) | 167.2 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.63 V (0.16%) | 399.4 V | 1.03 V (0.26%) | 135.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.48 V (0.12%) | 399.5 V | 0.8 V (0.2%) | 104.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.39 V (0.1%) | 399.6 V | 0.64 V (0.16%) | 83.6 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.29 V (0.07%) | 399.7 V | 0.48 V (0.12%) | 62.7 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 125 Ampere ved 25 Meter (400V)
Hvilket kabeltværsnit kræves til 125A ved 25 meter (400V)?
Til 125 Ampere over 25 meter ved 400V anbefales 35 mm² kobberkabel (spændingsfald 3.31V / 0.83%).
Hvor mange kW svarer 125A ved 400V til?
Det svarer til 86.6 kW med en anbefalet sikring på 125A.
Related Lengths & Currents (400V)
125A · 5m (400V)125A · 10m (400V)125A · 15m (400V)125A · 20m (400V)125A · 30m (400V)125A · 35m (400V)125A · 40m (400V)125A · 45m (400V)125A · 50m (400V)125A · 60m (400V)125A · 70m (400V)10A · 25m (400V)16A · 25m (400V)20A · 25m (400V)25A · 25m (400V)32A · 25m (400V)40A · 25m (400V)50A · 25m (400V)63A · 25m (400V)80A · 25m (400V)100A · 25m (400V)160A · 25m (400V)200A · 25m (400V)