Kabeltværsnit for 400 Ampere ved 20 Meter (230V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 400 A over 20 m ved 230V.
Copper Cable (≤3% Drop)240 mm²Drop: 1.43V (0.62%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.41V (0.61%)
Voltage at Load228.6 VLine Loss: 570.7 W
Max Power & Breaker92.0 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 | 228.27 V (99.25%) | 1.7 V | 376.53 V (163.71%) | 91306.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 136.96 V (59.55%) | 93.0 V | 225.92 V (98.23%) | 54784.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 85.6 V (37.22%) | 144.4 V | 141.2 V (61.39%) | 34240.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 57.07 V (24.81%) | 172.9 V | 94.13 V (40.93%) | 22826.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 34.24 V (14.89%) | 195.8 V | 56.48 V (24.56%) | 13696.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 21.4 V (9.3%) | 208.6 V | 35.3 V (15.35%) | 8560.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 13.7 V (5.95%) | 216.3 V | 22.59 V (9.82%) | 5478.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 9.78 V (4.25%) | 220.2 V | 16.14 V (7.02%) | 3913.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 6.85 V (2.98%) | 223.2 V | 11.3 V (4.91%) | 2739.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 4.89 V (2.13%) | 225.1 V | 8.07 V (3.51%) | 1956.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 3.6 V (1.57%) | 226.4 V | 5.95 V (2.58%) | 1441.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 2.85 V (1.24%) | 227.1 V | 4.71 V (2.05%) | 1141.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.28 V (0.99%) | 227.7 V | 3.77 V (1.64%) | 913.1 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.85 V (0.8%) | 228.1 V | 3.05 V (1.33%) | 740.3 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.43 V (0.62%) | 228.6 V | 2.35 V (1.02%) | 570.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.14 V (0.5%) | 228.9 V | 1.88 V (0.82%) | 456.5 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.86 V (0.37%) | 229.1 V | 1.41 V (0.61%) | 342.4 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 400 Ampere ved 20 Meter (230V)
Hvilket kabeltværsnit kræves til 400A ved 20 meter (230V)?
Til 400 Ampere over 20 meter ved 230V anbefales 240 mm² kobberkabel (spændingsfald 1.43V / 0.62%).
Hvor mange kW svarer 400A ved 230V til?
Det svarer til 92.0 kW med en anbefalet sikring på 400A.
Related Lengths & Currents (230V)
400A · 5m (230V)400A · 10m (230V)400A · 15m (230V)400A · 25m (230V)400A · 30m (230V)400A · 35m (230V)400A · 40m (230V)400A · 45m (230V)400A · 50m (230V)400A · 60m (230V)400A · 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)