⚡ 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 500 Ampere ved 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 500 A over 30 m ved 400V.

Copper Cable (≤3% Drop)400 mm²Drop: 1.39V (0.35%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.29V (0.57%)
Voltage at Load398.6 VLine Loss: 1203.8 W
Max Power & Breaker346.41 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 500A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A370.66 V (92.66%)29.3 V611.41 V (152.85%)321000.0 WDrop High
2.5 mm²24 A18 A222.4 V (55.6%)177.6 V366.85 V (91.71%)192600.0 WDrop High
4 mm²32 A25 A139.0 V (34.75%)261.0 V229.28 V (57.32%)120375.0 WDrop High
6 mm²41 A32 A92.66 V (23.17%)307.3 V152.85 V (38.21%)80250.0 WDrop High
10 mm²57 A44 A55.6 V (13.9%)344.4 V91.71 V (22.93%)48150.0 WDrop High
16 mm²76 A59 A34.75 V (8.69%)365.3 V57.32 V (14.33%)30093.8 WDrop High
25 mm²101 A78 A22.24 V (5.56%)377.8 V36.68 V (9.17%)19260.0 WDrop High
35 mm²125 A97 A15.89 V (3.97%)384.1 V26.2 V (6.55%)13757.1 WDrop High
50 mm²151 A118 A11.12 V (2.78%)388.9 V18.34 V (4.59%)9630.0 WDrop High
70 mm²192 A150 A7.94 V (1.99%)392.1 V13.1 V (3.28%)6878.6 WDrop High
95 mm²232 A181 A5.85 V (1.46%)394.1 V9.65 V (2.41%)5068.4 WDrop High
120 mm²269 A210 A4.63 V (1.16%)395.4 V7.64 V (1.91%)4012.5 WDrop High
150 mm²309 A241 A3.71 V (0.93%)396.3 V6.11 V (1.53%)3210.0 WDrop High
185 mm²353 A275 A3.01 V (0.75%)397.0 V4.96 V (1.24%)2602.7 WDrop High
240 mm²415 A324 A2.32 V (0.58%)397.7 V3.82 V (0.96%)2006.2 WDrop High
300 mm²477 A372 A1.85 V (0.46%)398.1 V3.06 V (0.76%)1605.0 WDrop High
400 mm²570 A445 A1.39 V (0.35%)398.6 V2.29 V (0.57%)1203.8 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 500 Ampere ved 30 Meter (400V)

Hvilket kabeltværsnit kræves til 500A ved 30 meter (400V)?

Til 500 Ampere over 30 meter ved 400V anbefales 400 mm² kobberkabel (spændingsfald 1.39V / 0.35%).

Hvor mange kW svarer 500A ved 400V til?

Det svarer til 346.41 kW med en anbefalet sikring på 500A.