⚡ 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 45 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 475 A over 45 m ved 400V.

Copper Cable (≤3% Drop)300 mm²Drop: 2.64V (0.66%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.27V (0.82%)
Voltage at Load397.4 VLine Loss: 2172.8 W
Max Power & Breaker329.09 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 45m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A528.19 V (132.05%)0.0 V871.26 V (217.82%)434553.8 WDrop High
2.5 mm²24 A18 A316.91 V (79.23%)83.1 V522.76 V (130.69%)260732.2 WDrop High
4 mm²32 A25 A198.07 V (49.52%)201.9 V326.72 V (81.68%)162957.7 WDrop High
6 mm²41 A32 A132.05 V (33.01%)268.0 V217.82 V (54.45%)108638.4 WDrop High
10 mm²57 A44 A79.23 V (19.81%)320.8 V130.69 V (32.67%)65183.1 WDrop High
16 mm²76 A59 A49.52 V (12.38%)350.5 V81.68 V (20.42%)40739.4 WDrop High
25 mm²101 A78 A31.69 V (7.92%)368.3 V52.28 V (13.07%)26073.2 WDrop High
35 mm²125 A97 A22.64 V (5.66%)377.4 V37.34 V (9.33%)18623.7 WDrop High
50 mm²151 A118 A15.85 V (3.96%)384.2 V26.14 V (6.53%)13036.6 WDrop High
70 mm²192 A150 A11.32 V (2.83%)388.7 V18.67 V (4.67%)9311.9 WDrop High
95 mm²232 A181 A8.34 V (2.08%)391.7 V13.76 V (3.44%)6861.4 WDrop High
120 mm²269 A210 A6.6 V (1.65%)393.4 V10.89 V (2.72%)5431.9 WDrop High
150 mm²309 A241 A5.28 V (1.32%)394.7 V8.71 V (2.18%)4345.5 WDrop High
185 mm²353 A275 A4.28 V (1.07%)395.7 V7.06 V (1.77%)3523.4 WDrop High
240 mm²415 A324 A3.3 V (0.83%)396.7 V5.45 V (1.36%)2716.0 WDrop High
300 mm²477 A372 A2.64 V (0.66%)397.4 V4.36 V (1.09%)2172.8 W✓ OK (≤3%)
400 mm²570 A445 A1.98 V (0.5%)398.0 V3.27 V (0.82%)1629.6 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 475 Ampere ved 45 Meter (400V)

Hvilket kabeltværsnit kræves til 475A ved 45 meter (400V)?

Til 475 Ampere over 45 meter ved 400V anbefales 300 mm² kobberkabel (spændingsfald 2.64V / 0.66%).

Hvor mange kW svarer 475A ved 400V til?

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