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

Kabeltværsnit for 25 Ampere ved 100 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 25 A over 100 m ved 400V.

Copper Cable (≤3% Drop)10 mm²Drop: 9.27V (2.32%)

Aluminum Cable (≤3% Drop)16 mm²Drop: 9.55V (2.39%)

Voltage at Load390.7 VLine Loss: 401.2 W

Max Power & Breaker17.32 kW25A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 25A at 100m

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	61.78 V (15.44%)	338.2 V	101.9 V (25.48%)	2675.0 W	Drop High
2.5 mm²	24 A	18 A	37.07 V (9.27%)	362.9 V	61.14 V (15.29%)	1605.0 W	Drop High
4 mm²	32 A	25 A	23.17 V (5.79%)	376.8 V	38.21 V (9.55%)	1003.1 W	Drop High
6 mm²	41 A	32 A	15.44 V (3.86%)	384.6 V	25.48 V (6.37%)	668.7 W	~ ≤5%
10 mm²	57 A	44 A	9.27 V (2.32%)	390.7 V	15.29 V (3.82%)	401.2 W	✓ OK (≤3%)
16 mm²	76 A	59 A	5.79 V (1.45%)	394.2 V	9.55 V (2.39%)	250.8 W	✓ OK (≤3%)
25 mm²	101 A	78 A	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	160.5 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.65 V (0.66%)	397.4 V	4.37 V (1.09%)	114.6 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.85 V (0.46%)	398.1 V	3.06 V (0.76%)	80.2 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.32 V (0.33%)	398.7 V	2.18 V (0.55%)	57.3 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.98 V (0.24%)	399.0 V	1.61 V (0.4%)	42.2 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.77 V (0.19%)	399.2 V	1.27 V (0.32%)	33.4 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.62 V (0.15%)	399.4 V	1.02 V (0.25%)	26.7 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.5 V (0.13%)	399.5 V	0.83 V (0.21%)	21.7 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.39 V (0.1%)	399.6 V	0.64 V (0.16%)	16.7 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.31 V (0.08%)	399.7 V	0.51 V (0.13%)	13.4 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.23 V (0.06%)	399.8 V	0.38 V (0.1%)	10.0 W	✓ OK (≤3%)

Til 25 Ampere over 100 meter ved 400V anbefales 10 mm² kobberkabel (spændingsfald 9.27V / 2.32%).

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