⚡ 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 175 Ampere ved 45 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 175 A over 45 m ved 400V.

Copper Cable (≤3% Drop)70 mm²Drop: 4.17V (1.04%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 5.07V (1.27%)
Voltage at Load395.8 VLine Loss: 1263.9 W
Max Power & Breaker121.24 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 45m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A194.6 V (48.65%)205.4 V320.99 V (80.25%)58983.8 WDrop High
2.5 mm²24 A18 A116.76 V (29.19%)283.2 V192.6 V (48.15%)35390.2 WDrop High
4 mm²32 A25 A72.97 V (18.24%)327.0 V120.37 V (30.09%)22118.9 WDrop High
6 mm²41 A32 A48.65 V (12.16%)351.4 V80.25 V (20.06%)14745.9 WDrop High
10 mm²57 A44 A29.19 V (7.3%)370.8 V48.15 V (12.04%)8847.6 WDrop High
16 mm²76 A59 A18.24 V (4.56%)381.8 V30.09 V (7.52%)5529.7 WDrop High
25 mm²101 A78 A11.68 V (2.92%)388.3 V19.26 V (4.81%)3539.0 WDrop High
35 mm²125 A97 A8.34 V (2.08%)391.7 V13.76 V (3.44%)2527.9 WDrop High
50 mm²151 A118 A5.84 V (1.46%)394.2 V9.63 V (2.41%)1769.5 WDrop High
70 mm²192 A150 A4.17 V (1.04%)395.8 V6.88 V (1.72%)1263.9 W✓ OK (≤3%)
95 mm²232 A181 A3.07 V (0.77%)396.9 V5.07 V (1.27%)931.3 W✓ OK (≤3%)
120 mm²269 A210 A2.43 V (0.61%)397.6 V4.01 V (1.0%)737.3 W✓ OK (≤3%)
150 mm²309 A241 A1.95 V (0.49%)398.1 V3.21 V (0.8%)589.8 W✓ OK (≤3%)
185 mm²353 A275 A1.58 V (0.39%)398.4 V2.6 V (0.65%)478.2 W✓ OK (≤3%)
240 mm²415 A324 A1.22 V (0.3%)398.8 V2.01 V (0.5%)368.6 W✓ OK (≤3%)
300 mm²477 A372 A0.97 V (0.24%)399.0 V1.6 V (0.4%)294.9 W✓ OK (≤3%)
400 mm²570 A445 A0.73 V (0.18%)399.3 V1.2 V (0.3%)221.2 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 175 Ampere ved 45 Meter (400V)

Hvilket kabeltværsnit kræves til 175A ved 45 meter (400V)?

Til 175 Ampere over 45 meter ved 400V anbefales 70 mm² kobberkabel (spændingsfald 4.17V / 1.04%).

Hvor mange kW svarer 175A ved 400V til?

Det svarer til 121.24 kW med en anbefalet sikring på 175A.