⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

Kabeltværsnit for 70 Ampere ved 10 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 70 A over 10 m ved 400V.

Copper Cable (≤3% Drop)16 mm²Drop: 1.62V (0.41%)

Aluminum Cable (≤3% Drop)25 mm²Drop: 1.71V (0.43%)

Voltage at Load398.4 VLine Loss: 196.6 W

Max Power & Breaker48.5 kW70A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 70A at 10m

Cross-Section (mm²)	Cu Ampacity	Al Ampacity	Cu Voltage Drop	Load Voltage	Al Voltage Drop	Power Loss	Status
1.5 mm²	16 A	12 A	17.3 V (4.32%)	382.7 V	28.53 V (7.13%)	2097.2 W	Drop High
2.5 mm²	24 A	18 A	10.38 V (2.59%)	389.6 V	17.12 V (4.28%)	1258.3 W	Drop High
4 mm²	32 A	25 A	6.49 V (1.62%)	393.5 V	10.7 V (2.67%)	786.4 W	Drop High
6 mm²	41 A	32 A	4.32 V (1.08%)	395.7 V	7.13 V (1.78%)	524.3 W	Drop High
10 mm²	57 A	44 A	2.59 V (0.65%)	397.4 V	4.28 V (1.07%)	314.6 W	Drop High
16 mm²	76 A	59 A	1.62 V (0.41%)	398.4 V	2.67 V (0.67%)	196.6 W	✓ OK (≤3%)
25 mm²	101 A	78 A	1.04 V (0.26%)	399.0 V	1.71 V (0.43%)	125.8 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.74 V (0.19%)	399.3 V	1.22 V (0.31%)	89.9 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.52 V (0.13%)	399.5 V	0.86 V (0.21%)	62.9 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	44.9 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.27 V (0.07%)	399.7 V	0.45 V (0.11%)	33.1 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.22 V (0.05%)	399.8 V	0.36 V (0.09%)	26.2 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.17 V (0.04%)	399.8 V	0.29 V (0.07%)	21.0 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.14 V (0.04%)	399.9 V	0.23 V (0.06%)	17.0 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.11 V (0.03%)	399.9 V	0.18 V (0.04%)	13.1 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.09 V (0.02%)	399.9 V	0.14 V (0.04%)	10.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.06 V (0.02%)	399.9 V	0.11 V (0.03%)	7.9 W	✓ OK (≤3%)

Til 70 Ampere over 10 meter ved 400V anbefales 16 mm² kobberkabel (spændingsfald 1.62V / 0.41%).

Det svarer til 48.5 kW med en anbefalet sikring på 70A.