⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

Kabeltværsnit for 475 Ampere ved 10 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 475 A over 10 m ved 400V.

Copper Cable (≤3% Drop)300 mm²Drop: 0.59V (0.15%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.73V (0.18%)
Voltage at Load399.4 VLine Loss: 482.8 W
Max Power & Breaker329.09 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 10m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A117.38 V (29.34%)282.6 V193.61 V (48.4%)96567.5 WDrop High
2.5 mm²24 A18 A70.43 V (17.61%)329.6 V116.17 V (29.04%)57940.5 WDrop High
4 mm²32 A25 A44.02 V (11.0%)356.0 V72.61 V (18.15%)36212.8 WDrop High
6 mm²41 A32 A29.34 V (7.34%)370.7 V48.4 V (12.1%)24141.9 WDrop High
10 mm²57 A44 A17.61 V (4.4%)382.4 V29.04 V (7.26%)14485.1 WDrop High
16 mm²76 A59 A11.0 V (2.75%)389.0 V18.15 V (4.54%)9053.2 WDrop High
25 mm²101 A78 A7.04 V (1.76%)393.0 V11.62 V (2.9%)5794.1 WDrop High
35 mm²125 A97 A5.03 V (1.26%)395.0 V8.3 V (2.07%)4138.6 WDrop High
50 mm²151 A118 A3.52 V (0.88%)396.5 V5.81 V (1.45%)2897.0 WDrop High
70 mm²192 A150 A2.52 V (0.63%)397.5 V4.15 V (1.04%)2069.3 WDrop High
95 mm²232 A181 A1.85 V (0.46%)398.1 V3.06 V (0.76%)1524.8 WDrop High
120 mm²269 A210 A1.47 V (0.37%)398.5 V2.42 V (0.61%)1207.1 WDrop High
150 mm²309 A241 A1.17 V (0.29%)398.8 V1.94 V (0.48%)965.7 WDrop High
185 mm²353 A275 A0.95 V (0.24%)399.0 V1.57 V (0.39%)783.0 WDrop High
240 mm²415 A324 A0.73 V (0.18%)399.3 V1.21 V (0.3%)603.5 WDrop High
300 mm²477 A372 A0.59 V (0.15%)399.4 V0.97 V (0.24%)482.8 W✓ OK (≤3%)
400 mm²570 A445 A0.44 V (0.11%)399.6 V0.73 V (0.18%)362.1 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 475 Ampere ved 10 Meter (400V)

Hvilket kabeltværsnit kræves til 475A ved 10 meter (400V)?

Til 475 Ampere over 10 meter ved 400V anbefales 300 mm² kobberkabel (spændingsfald 0.59V / 0.15%).

Hvor mange kW svarer 475A ved 400V til?

Det svarer til 329.09 kW med en anbefalet sikring på 500A.