Kabeltværsnit for 400 Ampere ved 20 Meter (400V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 400 A over 20 m ved 400V.
Copper Cable (≤3% Drop)240 mm²Drop: 1.24V (0.31%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.22V (0.31%)
Voltage at Load398.8 VLine Loss: 856.0 W
Max Power & Breaker277.13 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 400A 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 | 197.68 V (49.42%) | 202.3 V | 326.09 V (81.52%) | 136960.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 118.61 V (29.65%) | 281.4 V | 195.65 V (48.91%) | 82176.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 74.13 V (18.53%) | 325.9 V | 122.28 V (30.57%) | 51360.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 49.42 V (12.36%) | 350.6 V | 81.52 V (20.38%) | 34240.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 29.65 V (7.41%) | 370.3 V | 48.91 V (12.23%) | 20544.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 18.53 V (4.63%) | 381.5 V | 30.57 V (7.64%) | 12840.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 11.86 V (2.97%) | 388.1 V | 19.57 V (4.89%) | 8217.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 8.47 V (2.12%) | 391.5 V | 13.98 V (3.49%) | 5869.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 5.93 V (1.48%) | 394.1 V | 9.78 V (2.45%) | 4108.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 4.24 V (1.06%) | 395.8 V | 6.99 V (1.75%) | 2934.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 3.12 V (0.78%) | 396.9 V | 5.15 V (1.29%) | 2162.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 2.47 V (0.62%) | 397.5 V | 4.08 V (1.02%) | 1712.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 1.98 V (0.49%) | 398.0 V | 3.26 V (0.82%) | 1369.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.6 V (0.4%) | 398.4 V | 2.64 V (0.66%) | 1110.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.24 V (0.31%) | 398.8 V | 2.04 V (0.51%) | 856.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.99 V (0.25%) | 399.0 V | 1.63 V (0.41%) | 684.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.74 V (0.19%) | 399.3 V | 1.22 V (0.31%) | 513.6 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 400 Ampere ved 20 Meter (400V)
Hvilket kabeltværsnit kræves til 400A ved 20 meter (400V)?
Til 400 Ampere over 20 meter ved 400V anbefales 240 mm² kobberkabel (spændingsfald 1.24V / 0.31%).
Hvor mange kW svarer 400A ved 400V til?
Det svarer til 277.13 kW med en anbefalet sikring på 400A.
Related Lengths & Currents (400V)
400A · 5m (400V)400A · 10m (400V)400A · 15m (400V)400A · 25m (400V)400A · 30m (400V)400A · 35m (400V)400A · 40m (400V)400A · 45m (400V)400A · 50m (400V)400A · 60m (400V)400A · 70m (400V)10A · 20m (400V)16A · 20m (400V)20A · 20m (400V)25A · 20m (400V)32A · 20m (400V)40A · 20m (400V)50A · 20m (400V)63A · 20m (400V)80A · 20m (400V)100A · 20m (400V)125A · 20m (400V)160A · 20m (400V)200A · 20m (400V)