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

Kabeltværsnit for 25 Ampere ved 150 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 25 A over 150 m ved 400V.

Copper Cable (≤3% Drop)16 mm²Drop: 8.69V (2.17%)

Aluminum Cable (≤3% Drop)25 mm²Drop: 9.17V (2.29%)

Voltage at Load391.3 VLine Loss: 376.2 W

Max Power & Breaker17.32 kW25A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 25A at 150m

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	92.66 V (23.17%)	307.3 V	152.85 V (38.21%)	4012.5 W	Drop High
2.5 mm²	24 A	18 A	55.6 V (13.9%)	344.4 V	91.71 V (22.93%)	2407.5 W	Drop High
4 mm²	32 A	25 A	34.75 V (8.69%)	365.3 V	57.32 V (14.33%)	1504.7 W	Drop High
6 mm²	41 A	32 A	23.17 V (5.79%)	376.8 V	38.21 V (9.55%)	1003.1 W	Drop High
10 mm²	57 A	44 A	13.9 V (3.47%)	386.1 V	22.93 V (5.73%)	601.9 W	~ ≤5%
16 mm²	76 A	59 A	8.69 V (2.17%)	391.3 V	14.33 V (3.58%)	376.2 W	✓ OK (≤3%)
25 mm²	101 A	78 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	240.7 W	✓ OK (≤3%)
35 mm²	125 A	97 A	3.97 V (0.99%)	396.0 V	6.55 V (1.64%)	172.0 W	✓ OK (≤3%)
50 mm²	151 A	118 A	2.78 V (0.69%)	397.2 V	4.59 V (1.15%)	120.4 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.99 V (0.5%)	398.0 V	3.28 V (0.82%)	86.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	1.46 V (0.37%)	398.5 V	2.41 V (0.6%)	63.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	1.16 V (0.29%)	398.8 V	1.91 V (0.48%)	50.2 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.93 V (0.23%)	399.1 V	1.53 V (0.38%)	40.1 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.75 V (0.19%)	399.2 V	1.24 V (0.31%)	32.5 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.58 V (0.14%)	399.4 V	0.96 V (0.24%)	25.1 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.46 V (0.12%)	399.5 V	0.76 V (0.19%)	20.1 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.35 V (0.09%)	399.7 V	0.57 V (0.14%)	15.0 W	✓ OK (≤3%)

Til 25 Ampere over 150 meter ved 400V anbefales 16 mm² kobberkabel (spændingsfald 8.69V / 2.17%).

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