⚡ 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 225 Ampere ved 50 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 225 A over 50 m ved 400V.

Copper Cable (≤3% Drop)95 mm²Drop: 4.39V (1.1%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 4.59V (1.15%)
Voltage at Load395.6 VLine Loss: 1710.6 W
Max Power & Breaker155.88 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 50m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A277.99 V (69.5%)122.0 V458.56 V (114.64%)108337.5 WDrop High
2.5 mm²24 A18 A166.8 V (41.7%)233.2 V275.14 V (68.78%)65002.5 WDrop High
4 mm²32 A25 A104.25 V (26.06%)295.8 V171.96 V (42.99%)40626.6 WDrop High
6 mm²41 A32 A69.5 V (17.37%)330.5 V114.64 V (28.66%)27084.4 WDrop High
10 mm²57 A44 A41.7 V (10.42%)358.3 V68.78 V (17.2%)16250.6 WDrop High
16 mm²76 A59 A26.06 V (6.52%)373.9 V42.99 V (10.75%)10156.6 WDrop High
25 mm²101 A78 A16.68 V (4.17%)383.3 V27.51 V (6.88%)6500.2 WDrop High
35 mm²125 A97 A11.91 V (2.98%)388.1 V19.65 V (4.91%)4643.0 WDrop High
50 mm²151 A118 A8.34 V (2.08%)391.7 V13.76 V (3.44%)3250.1 WDrop High
70 mm²192 A150 A5.96 V (1.49%)394.0 V9.83 V (2.46%)2321.5 WDrop High
95 mm²232 A181 A4.39 V (1.1%)395.6 V7.24 V (1.81%)1710.6 W✓ OK (≤3%)
120 mm²269 A210 A3.47 V (0.87%)396.5 V5.73 V (1.43%)1354.2 W✓ OK (≤3%)
150 mm²309 A241 A2.78 V (0.69%)397.2 V4.59 V (1.15%)1083.4 W✓ OK (≤3%)
185 mm²353 A275 A2.25 V (0.56%)397.7 V3.72 V (0.93%)878.4 W✓ OK (≤3%)
240 mm²415 A324 A1.74 V (0.43%)398.3 V2.87 V (0.72%)677.1 W✓ OK (≤3%)
300 mm²477 A372 A1.39 V (0.35%)398.6 V2.29 V (0.57%)541.7 W✓ OK (≤3%)
400 mm²570 A445 A1.04 V (0.26%)399.0 V1.72 V (0.43%)406.3 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 225 Ampere ved 50 Meter (400V)

Hvilket kabeltværsnit kræves til 225A ved 50 meter (400V)?

Til 225 Ampere over 50 meter ved 400V anbefales 95 mm² kobberkabel (spændingsfald 4.39V / 1.1%).

Hvor mange kW svarer 225A ved 400V til?

Det svarer til 155.88 kW med en anbefalet sikring på 225A.