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

Kabeltværsnit for 90 Ampere ved 25 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 90 A over 25 m ved 230V.

Copper Cable (≤3% Drop)25 mm²Drop: 3.85V (1.67%)

Aluminum Cable (≤3% Drop)35 mm²Drop: 4.54V (1.97%)

Voltage at Load226.1 VLine Loss: 346.7 W

Max Power & Breaker20.7 kW90A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 90A at 25m

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	64.2 V (27.91%)	165.8 V	105.9 V (46.04%)	5778.0 W	Drop High
2.5 mm²	24 A	18 A	38.52 V (16.75%)	191.5 V	63.54 V (27.63%)	3466.8 W	Drop High
4 mm²	32 A	25 A	24.07 V (10.47%)	205.9 V	39.71 V (17.27%)	2166.7 W	Drop High
6 mm²	41 A	32 A	16.05 V (6.98%)	213.9 V	26.47 V (11.51%)	1444.5 W	Drop High
10 mm²	57 A	44 A	9.63 V (4.19%)	220.4 V	15.88 V (6.91%)	866.7 W	Drop High
16 mm²	76 A	59 A	6.02 V (2.62%)	224.0 V	9.93 V (4.32%)	541.7 W	Drop High
25 mm²	101 A	78 A	3.85 V (1.67%)	226.1 V	6.35 V (2.76%)	346.7 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.75 V (1.2%)	227.2 V	4.54 V (1.97%)	247.6 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.93 V (0.84%)	228.1 V	3.18 V (1.38%)	173.3 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.38 V (0.6%)	228.6 V	2.27 V (0.99%)	123.8 W	✓ OK (≤3%)
95 mm²	232 A	181 A	1.01 V (0.44%)	229.0 V	1.67 V (0.73%)	91.2 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.8 V (0.35%)	229.2 V	1.32 V (0.58%)	72.2 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.64 V (0.28%)	229.4 V	1.06 V (0.46%)	57.8 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.52 V (0.23%)	229.5 V	0.86 V (0.37%)	46.8 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.4 V (0.17%)	229.6 V	0.66 V (0.29%)	36.1 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.32 V (0.14%)	229.7 V	0.53 V (0.23%)	28.9 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.24 V (0.1%)	229.8 V	0.4 V (0.17%)	21.7 W	✓ OK (≤3%)

Til 90 Ampere over 25 meter ved 230V anbefales 25 mm² kobberkabel (spændingsfald 3.85V / 1.67%).

Det svarer til 20.7 kW med en anbefalet sikring på 90A.