Kabelarea för 30 Ampere vid 40 Meter (400V)
Komplett dimensionering av kabelarea (mm²), spänningsfall och säkring enligt svensk elstandard (SS 436 40 00 / IEC 60364) för 30 A över 40 m vid 400V.
Copper Cable (≤3% Drop)4 mm²Drop: 11.12V (2.78%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 7.34V (1.83%)
Voltage at Load388.9 VLine Loss: 577.8 W
Max Power & Breaker20.78 kW30A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 30A at 40m
| 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 | 29.65 V (7.41%) | 370.3 V | 48.91 V (12.23%) | 1540.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 17.79 V (4.45%) | 382.2 V | 29.35 V (7.34%) | 924.5 W | Drop High |
| 4 mm² | 32 A | 25 A | 11.12 V (2.78%) | 388.9 V | 18.34 V (4.59%) | 577.8 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 7.41 V (1.85%) | 392.6 V | 12.23 V (3.06%) | 385.2 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 4.45 V (1.11%) | 395.6 V | 7.34 V (1.83%) | 231.1 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 2.78 V (0.69%) | 397.2 V | 4.59 V (1.15%) | 144.4 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 1.78 V (0.44%) | 398.2 V | 2.93 V (0.73%) | 92.4 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 1.27 V (0.32%) | 398.7 V | 2.1 V (0.52%) | 66.0 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.89 V (0.22%) | 399.1 V | 1.47 V (0.37%) | 46.2 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.64 V (0.16%) | 399.4 V | 1.05 V (0.26%) | 33.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.47 V (0.12%) | 399.5 V | 0.77 V (0.19%) | 24.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.37 V (0.09%) | 399.6 V | 0.61 V (0.15%) | 19.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.3 V (0.07%) | 399.7 V | 0.49 V (0.12%) | 15.4 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.24 V (0.06%) | 399.8 V | 0.4 V (0.1%) | 12.5 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.19 V (0.05%) | 399.8 V | 0.31 V (0.08%) | 9.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.15 V (0.04%) | 399.9 V | 0.24 V (0.06%) | 7.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.11 V (0.03%) | 399.9 V | 0.18 V (0.05%) | 5.8 W | ✓ OK (≤3%) |
FAQ — Kabelarea för 30 Ampere vid 40 Meter (400V)
Vilken kabelarea krävs för 30A vid 40 meter (400V)?
För 30 Ampere över 40 meter vid 400V rekommenderas 4 mm² kopparkabel för att hålla spänningsfallet under 3% (11.12V / 2.78%).
Hur stor effekt motsvarar 30A vid 400V?
Det motsvarar 20.78 kW med en rekommenderad säkring på 30A.
Related Lengths & Currents (400V)
30A · 5m (400V)30A · 10m (400V)30A · 15m (400V)30A · 20m (400V)30A · 25m (400V)30A · 30m (400V)30A · 35m (400V)30A · 45m (400V)30A · 50m (400V)30A · 60m (400V)30A · 70m (400V)10A · 40m (400V)16A · 40m (400V)20A · 40m (400V)25A · 40m (400V)32A · 40m (400V)40A · 40m (400V)50A · 40m (400V)63A · 40m (400V)80A · 40m (400V)100A · 40m (400V)125A · 40m (400V)160A · 40m (400V)200A · 40m (400V)