Kabeltværsnit for 475 Ampere ved 20 Meter (400V)
Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 475 A over 20 m ved 400V.
Copper Cable (≤3% Drop)300 mm²Drop: 1.17V (0.29%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.45V (0.36%)
Voltage at Load398.8 VLine Loss: 965.7 W
Max Power & Breaker329.09 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A 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 | 234.75 V (58.69%) | 165.2 V | 387.23 V (96.81%) | 193135.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 140.85 V (35.21%) | 259.1 V | 232.34 V (58.08%) | 115881.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 88.03 V (22.01%) | 312.0 V | 145.21 V (36.3%) | 72425.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 58.69 V (14.67%) | 341.3 V | 96.81 V (24.2%) | 48283.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 35.21 V (8.8%) | 364.8 V | 58.08 V (14.52%) | 28970.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 22.01 V (5.5%) | 378.0 V | 36.3 V (9.08%) | 18106.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 14.09 V (3.52%) | 385.9 V | 23.23 V (5.81%) | 11588.1 W | Drop High |
| 35 mm² | 125 A | 97 A | 10.06 V (2.52%) | 389.9 V | 16.6 V (4.15%) | 8277.2 W | Drop High |
| 50 mm² | 151 A | 118 A | 7.04 V (1.76%) | 393.0 V | 11.62 V (2.9%) | 5794.1 W | Drop High |
| 70 mm² | 192 A | 150 A | 5.03 V (1.26%) | 395.0 V | 8.3 V (2.07%) | 4138.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 3049.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 2.93 V (0.73%) | 397.1 V | 4.84 V (1.21%) | 2414.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.35 V (0.59%) | 397.7 V | 3.87 V (0.97%) | 1931.3 W | Drop High |
| 185 mm² | 353 A | 275 A | 1.9 V (0.48%) | 398.1 V | 3.14 V (0.78%) | 1566.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.47 V (0.37%) | 398.5 V | 2.42 V (0.61%) | 1207.1 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.17 V (0.29%) | 398.8 V | 1.94 V (0.48%) | 965.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.88 V (0.22%) | 399.1 V | 1.45 V (0.36%) | 724.3 W | ✓ OK (≤3%) |
FAQ — Kabeltværsnit for 475 Ampere ved 20 Meter (400V)
Hvilket kabeltværsnit kræves til 475A ved 20 meter (400V)?
Til 475 Ampere over 20 meter ved 400V anbefales 300 mm² kobberkabel (spændingsfald 1.17V / 0.29%).
Hvor mange kW svarer 475A ved 400V til?
Det svarer til 329.09 kW med en anbefalet sikring på 500A.
Related Lengths & Currents (400V)
475A · 5m (400V)475A · 10m (400V)475A · 15m (400V)475A · 25m (400V)475A · 30m (400V)475A · 35m (400V)475A · 40m (400V)475A · 45m (400V)475A · 50m (400V)475A · 60m (400V)475A · 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)