Kabelarea för 20 Ampere vid 5 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 20 A över 5 m vid 400V.
Copper Cable (≤3% Drop)2.5 mm²Drop: 1.48V (0.37%)
Aluminum Cable (≤3% Drop)4 mm²Drop: 1.53V (0.38%)
Voltage at Load398.5 VLine Loss: 51.4 W
Max Power & Breaker13.86 kW20A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 20A at 5m
| 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 | 2.47 V (0.62%) | 397.5 V | 4.08 V (1.02%) | 85.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1.48 V (0.37%) | 398.5 V | 2.45 V (0.61%) | 51.4 W | ✓ OK (≤3%) |
| 4 mm² | 32 A | 25 A | 0.93 V (0.23%) | 399.1 V | 1.53 V (0.38%) | 32.1 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 0.62 V (0.15%) | 399.4 V | 1.02 V (0.25%) | 21.4 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 0.37 V (0.09%) | 399.6 V | 0.61 V (0.15%) | 12.8 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 0.23 V (0.06%) | 399.8 V | 0.38 V (0.1%) | 8.0 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.15 V (0.04%) | 399.9 V | 0.24 V (0.06%) | 5.1 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.11 V (0.03%) | 399.9 V | 0.17 V (0.04%) | 3.7 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.07 V (0.02%) | 399.9 V | 0.12 V (0.03%) | 2.6 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.05 V (0.01%) | 399.9 V | 0.09 V (0.02%) | 1.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.04 V (0.01%) | 400.0 V | 0.06 V (0.02%) | 1.4 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.03 V (0.01%) | 400.0 V | 0.05 V (0.01%) | 1.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.02 V (0.01%) | 400.0 V | 0.04 V (0.01%) | 0.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.02 V (0.01%) | 400.0 V | 0.03 V (0.01%) | 0.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.02 V (0.0%) | 400.0 V | 0.03 V (0.01%) | 0.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.01 V (0.0%) | 400.0 V | 0.02 V (0.01%) | 0.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.01 V (0.0%) | 400.0 V | 0.02 V (0.0%) | 0.3 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 20 Ampere vid 5 Meter (400V)
Vilken kabelarea krävs för 20A vid 5 meter (400V)?
För 20 Ampere över 5 meter vid 400V rekommenderas 2.5 mm² kopparkabel för att hålla spänningsfallet under 3% (1.48V / 0.37%).
Hur stor effekt motsvarar 20A vid 400V?
Det motsvarar 13.86 kW med en rekommenderad säkring på 20A.
Related Lengths & Currents (400V)
20A · 10m (400V)20A · 15m (400V)20A · 20m (400V)20A · 25m (400V)20A · 30m (400V)20A · 35m (400V)20A · 40m (400V)20A · 45m (400V)20A · 50m (400V)20A · 60m (400V)20A · 70m (400V)10A · 5m (400V)16A · 5m (400V)25A · 5m (400V)32A · 5m (400V)40A · 5m (400V)50A · 5m (400V)63A · 5m (400V)80A · 5m (400V)100A · 5m (400V)125A · 5m (400V)160A · 5m (400V)200A · 5m (400V)