Kabeltværsnit for 80 Ampere ved 20 Meter (230V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 80 A over 20 m ved 230V.
Copper Cable (≤3% Drop)25 mm²Drop: 2.74V (1.19%)
Aluminum Cable (≤3% Drop)35 mm²Drop: 3.23V (1.4%)
Voltage at Load227.3 VLine Loss: 219.1 W
Max Power & Breaker18.4 kW80A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A 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 | 45.65 V (19.85%) | 184.3 V | 75.31 V (32.74%) | 3652.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 27.39 V (11.91%) | 202.6 V | 45.18 V (19.65%) | 2191.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 17.12 V (7.44%) | 212.9 V | 28.24 V (12.28%) | 1369.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 11.41 V (4.96%) | 218.6 V | 18.83 V (8.19%) | 913.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 6.85 V (2.98%) | 223.2 V | 11.3 V (4.91%) | 547.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 4.28 V (1.86%) | 225.7 V | 7.06 V (3.07%) | 342.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 2.74 V (1.19%) | 227.3 V | 4.52 V (1.96%) | 219.1 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.96 V (0.85%) | 228.0 V | 3.23 V (1.4%) | 156.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 1.37 V (0.6%) | 228.6 V | 2.26 V (0.98%) | 109.6 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.98 V (0.43%) | 229.0 V | 1.61 V (0.7%) | 78.3 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.72 V (0.31%) | 229.3 V | 1.19 V (0.52%) | 57.7 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.57 V (0.25%) | 229.4 V | 0.94 V (0.41%) | 45.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.46 V (0.2%) | 229.5 V | 0.75 V (0.33%) | 36.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.37 V (0.16%) | 229.6 V | 0.61 V (0.27%) | 29.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.29 V (0.12%) | 229.7 V | 0.47 V (0.2%) | 22.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.23 V (0.1%) | 229.8 V | 0.38 V (0.16%) | 18.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.17 V (0.07%) | 229.8 V | 0.28 V (0.12%) | 13.7 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 80 Ampere ved 20 Meter (230V)
Hvilket kabeltværsnit kræves til 80A ved 20 meter (230V)?
Til 80 Ampere over 20 meter ved 230V anbefales 25 mm² kobberkabel (spændingsfald 2.74V / 1.19%).
Hvor mange kW svarer 80A ved 230V til?
Det svarer til 18.4 kW med en anbefalet sikring på 80A.
Related Lengths & Currents (230V)
80A · 5m (230V)80A · 10m (230V)80A · 15m (230V)80A · 25m (230V)80A · 30m (230V)80A · 35m (230V)80A · 40m (230V)80A · 45m (230V)80A · 50m (230V)80A · 60m (230V)80A · 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)100A · 20m (230V)125A · 20m (230V)160A · 20m (230V)200A · 20m (230V)