⚡ 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 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 225 A over 30 m ved 400V.

Copper Cable (≤3% Drop)95 mm²Drop: 2.63V (0.66%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 2.75V (0.69%)
Voltage at Load397.4 VLine Loss: 1026.4 W
Max Power & Breaker155.88 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A166.8 V (41.7%)233.2 V275.14 V (68.78%)65002.5 WDrop High
2.5 mm²24 A18 A100.08 V (25.02%)299.9 V165.08 V (41.27%)39001.5 WDrop High
4 mm²32 A25 A62.55 V (15.64%)337.5 V103.18 V (25.79%)24375.9 WDrop High
6 mm²41 A32 A41.7 V (10.42%)358.3 V68.78 V (17.2%)16250.6 WDrop High
10 mm²57 A44 A25.02 V (6.25%)375.0 V41.27 V (10.32%)9750.4 WDrop High
16 mm²76 A59 A15.64 V (3.91%)384.4 V25.79 V (6.45%)6094.0 WDrop High
25 mm²101 A78 A10.01 V (2.5%)390.0 V16.51 V (4.13%)3900.2 WDrop High
35 mm²125 A97 A7.15 V (1.79%)392.9 V11.79 V (2.95%)2785.8 WDrop High
50 mm²151 A118 A5.0 V (1.25%)395.0 V8.25 V (2.06%)1950.1 WDrop High
70 mm²192 A150 A3.57 V (0.89%)396.4 V5.9 V (1.47%)1392.9 WDrop High
95 mm²232 A181 A2.63 V (0.66%)397.4 V4.34 V (1.09%)1026.4 W✓ OK (≤3%)
120 mm²269 A210 A2.08 V (0.52%)397.9 V3.44 V (0.86%)812.5 W✓ OK (≤3%)
150 mm²309 A241 A1.67 V (0.42%)398.3 V2.75 V (0.69%)650.0 W✓ OK (≤3%)
185 mm²353 A275 A1.35 V (0.34%)398.6 V2.23 V (0.56%)527.0 W✓ OK (≤3%)
240 mm²415 A324 A1.04 V (0.26%)399.0 V1.72 V (0.43%)406.3 W✓ OK (≤3%)
300 mm²477 A372 A0.83 V (0.21%)399.2 V1.38 V (0.34%)325.0 W✓ OK (≤3%)
400 mm²570 A445 A0.63 V (0.16%)399.4 V1.03 V (0.26%)243.8 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 225 Ampere ved 30 Meter (400V)

Hvilket kabeltværsnit kræves til 225A ved 30 meter (400V)?

Til 225 Ampere over 30 meter ved 400V anbefales 95 mm² kobberkabel (spændingsfald 2.63V / 0.66%).

Hvor mange kW svarer 225A ved 400V til?

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