Kabelarea för 45 Ampere vid 20 Meter (230V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 45 A över 20 m vid 230V.
Copper Cable (≤3% Drop)10 mm²Drop: 3.85V (1.67%)
Aluminum Cable (≤3% Drop)16 mm²Drop: 3.97V (1.73%)
Voltage at Load226.1 VLine Loss: 173.3 W
Max Power & Breaker10.35 kW45A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 45A 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 | 25.68 V (11.17%) | 204.3 V | 42.36 V (18.42%) | 1155.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 15.41 V (6.7%) | 214.6 V | 25.42 V (11.05%) | 693.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 9.63 V (4.19%) | 220.4 V | 15.88 V (6.91%) | 433.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 6.42 V (2.79%) | 223.6 V | 10.59 V (4.6%) | 288.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 3.85 V (1.67%) | 226.1 V | 6.35 V (2.76%) | 173.3 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 2.41 V (1.05%) | 227.6 V | 3.97 V (1.73%) | 108.3 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.54 V (0.67%) | 228.5 V | 2.54 V (1.11%) | 69.3 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.1 V (0.48%) | 228.9 V | 1.82 V (0.79%) | 49.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.77 V (0.33%) | 229.2 V | 1.27 V (0.55%) | 34.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.55 V (0.24%) | 229.4 V | 0.91 V (0.39%) | 24.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.41 V (0.18%) | 229.6 V | 0.67 V (0.29%) | 18.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.32 V (0.14%) | 229.7 V | 0.53 V (0.23%) | 14.4 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.26 V (0.11%) | 229.7 V | 0.42 V (0.18%) | 11.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.21 V (0.09%) | 229.8 V | 0.34 V (0.15%) | 9.4 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.16 V (0.07%) | 229.8 V | 0.26 V (0.12%) | 7.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.13 V (0.06%) | 229.9 V | 0.21 V (0.09%) | 5.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.1 V (0.04%) | 229.9 V | 0.16 V (0.07%) | 4.3 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 45 Ampere vid 20 Meter (230V)
Vilken kabelarea krävs för 45A vid 20 meter (230V)?
För 45 Ampere över 20 meter vid 230V rekommenderas 10 mm² kopparkabel för att hålla spänningsfallet under 3% (3.85V / 1.67%).
Hur stor effekt motsvarar 45A vid 230V?
Det motsvarar 10.35 kW med en rekommenderad säkring på 45A.
Related Lengths & Currents (230V)
45A · 5m (230V)45A · 10m (230V)45A · 15m (230V)45A · 25m (230V)45A · 30m (230V)45A · 35m (230V)45A · 40m (230V)45A · 45m (230V)45A · 50m (230V)45A · 60m (230V)45A · 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)