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

Kabeltværsnit for 25 Ampere ved 10 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 25 A over 10 m ved 400V.

Copper Cable (≤3% Drop)4 mm²Drop: 2.32V (0.58%)

Aluminum Cable (≤3% Drop)4 mm²Drop: 3.82V (0.96%)

Voltage at Load397.7 VLine Loss: 100.3 W

Max Power & Breaker17.32 kW25A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 25A 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	6.18 V (1.54%)	393.8 V	10.19 V (2.55%)	267.5 W	Drop High
2.5 mm²	24 A	18 A	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	160.5 W	Drop High
4 mm²	32 A	25 A	2.32 V (0.58%)	397.7 V	3.82 V (0.96%)	100.3 W	✓ OK (≤3%)
6 mm²	41 A	32 A	1.54 V (0.39%)	398.5 V	2.55 V (0.64%)	66.9 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.93 V (0.23%)	399.1 V	1.53 V (0.38%)	40.1 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.58 V (0.14%)	399.4 V	0.96 V (0.24%)	25.1 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	16.1 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.26 V (0.07%)	399.7 V	0.44 V (0.11%)	11.5 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	8.0 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.13 V (0.03%)	399.9 V	0.22 V (0.05%)	5.7 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.1 V (0.02%)	399.9 V	0.16 V (0.04%)	4.2 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.08 V (0.02%)	399.9 V	0.13 V (0.03%)	3.3 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.06 V (0.02%)	399.9 V	0.1 V (0.03%)	2.7 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.05 V (0.01%)	399.9 V	0.08 V (0.02%)	2.2 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.04 V (0.01%)	400.0 V	0.06 V (0.02%)	1.7 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.03 V (0.01%)	400.0 V	0.05 V (0.01%)	1.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.02 V (0.01%)	400.0 V	0.04 V (0.01%)	1.0 W	✓ OK (≤3%)

Til 25 Ampere over 10 meter ved 400V anbefales 4 mm² kobberkabel (spændingsfald 2.32V / 0.58%).

Det svarer til 17.32 kW med en anbefalet sikring på 25A.