⚡ 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 800 Ampere ved 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 800 A over 30 m ved 400V.

Copper Cable (≤3% Drop)2× 400 mm²Drop: 1.11V (0.28%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.67V (0.92%)
Voltage at Load398.9 VLine Loss: 1540.8 W
Max Power & Breaker554.26 kW800A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A593.05 V (148.26%)0.0 V978.26 V (244.57%)821760.0 WDrop High
2.5 mm²24 A18 A355.83 V (88.96%)44.2 V586.96 V (146.74%)493056.0 WDrop High
4 mm²32 A25 A222.4 V (55.6%)177.6 V366.85 V (91.71%)308160.0 WDrop High
6 mm²41 A32 A148.26 V (37.07%)251.7 V244.57 V (61.14%)205440.0 WDrop High
10 mm²57 A44 A88.96 V (22.24%)311.0 V146.74 V (36.68%)123264.0 WDrop High
16 mm²76 A59 A55.6 V (13.9%)344.4 V91.71 V (22.93%)77040.0 WDrop High
25 mm²101 A78 A35.58 V (8.9%)364.4 V58.7 V (14.67%)49305.6 WDrop High
35 mm²125 A97 A25.42 V (6.35%)374.6 V41.93 V (10.48%)35218.3 WDrop High
50 mm²151 A118 A17.79 V (4.45%)382.2 V29.35 V (7.34%)24652.8 WDrop High
70 mm²192 A150 A12.71 V (3.18%)387.3 V20.96 V (5.24%)17609.1 WDrop High
95 mm²232 A181 A9.36 V (2.34%)390.6 V15.45 V (3.86%)12975.2 WDrop High
120 mm²269 A210 A7.41 V (1.85%)392.6 V12.23 V (3.06%)10272.0 WDrop High
150 mm²309 A241 A5.93 V (1.48%)394.1 V9.78 V (2.45%)8217.6 WDrop High
185 mm²353 A275 A4.81 V (1.2%)395.2 V7.93 V (1.98%)6662.9 WDrop High
240 mm²415 A324 A3.71 V (0.93%)396.3 V6.11 V (1.53%)5136.0 WDrop High
300 mm²477 A372 A2.97 V (0.74%)397.0 V4.89 V (1.22%)4108.8 WDrop High
400 mm²570 A445 A2.22 V (0.56%)397.8 V3.67 V (0.92%)3081.6 WDrop High

FAQ — Kabeltværsnit for 800 Ampere ved 30 Meter (400V)

Hvilket kabeltværsnit kræves til 800A ved 30 meter (400V)?

Til 800 Ampere over 30 meter ved 400V anbefales 2× 400 mm² kobberkabel (spændingsfald 1.11V / 0.28%).

Hvor mange kW svarer 800A ved 400V til?

Det svarer til 554.26 kW med en anbefalet sikring på 800A.