Kabeltværsnit for 450 Ampere ved 20 Meter (230V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 450 A over 20 m ved 230V.
Copper Cable (≤3% Drop)300 mm²Drop: 1.28V (0.56%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.59V (0.69%)
Voltage at Load228.7 VLine Loss: 577.8 W
Max Power & Breaker103.5 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A 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 | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 115560.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 154.08 V (66.99%) | 75.9 V | 254.16 V (110.5%) | 69336.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 96.3 V (41.87%) | 133.7 V | 158.85 V (69.07%) | 43335.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 64.2 V (27.91%) | 165.8 V | 105.9 V (46.04%) | 28890.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 38.52 V (16.75%) | 191.5 V | 63.54 V (27.63%) | 17334.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 24.07 V (10.47%) | 205.9 V | 39.71 V (17.27%) | 10833.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 15.41 V (6.7%) | 214.6 V | 25.42 V (11.05%) | 6933.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 11.01 V (4.79%) | 219.0 V | 18.15 V (7.89%) | 4952.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 7.7 V (3.35%) | 222.3 V | 12.71 V (5.53%) | 3466.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 5.5 V (2.39%) | 224.5 V | 9.08 V (3.95%) | 2476.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.05 V (1.76%) | 225.9 V | 6.69 V (2.91%) | 1824.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.21 V (1.4%) | 226.8 V | 5.29 V (2.3%) | 1444.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.57 V (1.12%) | 227.4 V | 4.24 V (1.84%) | 1155.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.08 V (0.91%) | 227.9 V | 3.43 V (1.49%) | 937.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.6 V (0.7%) | 228.4 V | 2.65 V (1.15%) | 722.2 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.28 V (0.56%) | 228.7 V | 2.12 V (0.92%) | 577.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.96 V (0.42%) | 229.0 V | 1.59 V (0.69%) | 433.4 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 450 Ampere ved 20 Meter (230V)
Hvilket kabeltværsnit kræves til 450A ved 20 meter (230V)?
Til 450 Ampere over 20 meter ved 230V anbefales 300 mm² kobberkabel (spændingsfald 1.28V / 0.56%).
Hvor mange kW svarer 450A ved 230V til?
Det svarer til 103.5 kW med en anbefalet sikring på 450A.
Related Lengths & Currents (230V)
450A · 5m (230V)450A · 10m (230V)450A · 15m (230V)450A · 25m (230V)450A · 30m (230V)450A · 35m (230V)450A · 40m (230V)450A · 45m (230V)450A · 50m (230V)450A · 60m (230V)450A · 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)