Kabeltværsnit for 750 Ampere ved 20 Meter (400V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 750 A over 20 m ved 400V.
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.69V (0.17%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.29V (0.57%)
Voltage at Load399.3 VLine Loss: 902.8 W
Max Power & Breaker519.62 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A 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 | 370.66 V (92.66%) | 29.3 V | 611.41 V (152.85%) | 481500.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 222.4 V (55.6%) | 177.6 V | 366.85 V (91.71%) | 288900.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 139.0 V (34.75%) | 261.0 V | 229.28 V (57.32%) | 180562.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 92.66 V (23.17%) | 307.3 V | 152.85 V (38.21%) | 120375.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 55.6 V (13.9%) | 344.4 V | 91.71 V (22.93%) | 72225.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 34.75 V (8.69%) | 365.3 V | 57.32 V (14.33%) | 45140.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 22.24 V (5.56%) | 377.8 V | 36.68 V (9.17%) | 28890.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 15.89 V (3.97%) | 384.1 V | 26.2 V (6.55%) | 20635.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 11.12 V (2.78%) | 388.9 V | 18.34 V (4.59%) | 14445.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 7.94 V (1.99%) | 392.1 V | 13.1 V (3.28%) | 10317.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.85 V (1.46%) | 394.1 V | 9.65 V (2.41%) | 7602.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.63 V (1.16%) | 395.4 V | 7.64 V (1.91%) | 6018.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 4815.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 3.01 V (0.75%) | 397.0 V | 4.96 V (1.24%) | 3904.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.32 V (0.58%) | 397.7 V | 3.82 V (0.96%) | 3009.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.85 V (0.46%) | 398.1 V | 3.06 V (0.76%) | 2407.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 1.39 V (0.35%) | 398.6 V | 2.29 V (0.57%) | 1805.6 W | Drop High |
FAQ — Kabeltværsnit for 750 Ampere ved 20 Meter (400V)
Hvilket kabeltværsnit kræves til 750A ved 20 meter (400V)?
Til 750 Ampere over 20 meter ved 400V anbefales 2× 400 mm² kobberkabel (spændingsfald 0.69V / 0.17%).
Hvor mange kW svarer 750A ved 400V til?
Det svarer til 519.62 kW med en anbefalet sikring på 800A.
Related Lengths & Currents (400V)
750A · 5m (400V)750A · 10m (400V)750A · 15m (400V)750A · 25m (400V)750A · 30m (400V)750A · 35m (400V)750A · 40m (400V)750A · 45m (400V)750A · 50m (400V)750A · 60m (400V)750A · 70m (400V)10A · 20m (400V)16A · 20m (400V)20A · 20m (400V)25A · 20m (400V)32A · 20m (400V)40A · 20m (400V)50A · 20m (400V)63A · 20m (400V)80A · 20m (400V)100A · 20m (400V)125A · 20m (400V)160A · 20m (400V)200A · 20m (400V)