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

Kabeltværsnit for 90 Ampere ved 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 90 A over 30 m ved 400V.

Copper Cable (≤3% Drop)25 mm²Drop: 4.0V (1.0%)

Aluminum Cable (≤3% Drop)35 mm²Drop: 4.72V (1.18%)

Voltage at Load396.0 VLine Loss: 624.0 W

Max Power & Breaker62.35 kW90A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 90A at 30m

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	66.72 V (16.68%)	333.3 V	110.05 V (27.51%)	10400.4 W	Drop High
2.5 mm²	24 A	18 A	40.03 V (10.01%)	360.0 V	66.03 V (16.51%)	6240.2 W	Drop High
4 mm²	32 A	25 A	25.02 V (6.25%)	375.0 V	41.27 V (10.32%)	3900.2 W	Drop High
6 mm²	41 A	32 A	16.68 V (4.17%)	383.3 V	27.51 V (6.88%)	2600.1 W	Drop High
10 mm²	57 A	44 A	10.01 V (2.5%)	390.0 V	16.51 V (4.13%)	1560.1 W	Drop High
16 mm²	76 A	59 A	6.25 V (1.56%)	393.7 V	10.32 V (2.58%)	975.0 W	Drop High
25 mm²	101 A	78 A	4.0 V (1.0%)	396.0 V	6.6 V (1.65%)	624.0 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.86 V (0.71%)	397.1 V	4.72 V (1.18%)	445.7 W	✓ OK (≤3%)
50 mm²	151 A	118 A	2.0 V (0.5%)	398.0 V	3.3 V (0.83%)	312.0 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.43 V (0.36%)	398.6 V	2.36 V (0.59%)	222.9 W	✓ OK (≤3%)
95 mm²	232 A	181 A	1.05 V (0.26%)	398.9 V	1.74 V (0.43%)	164.2 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.83 V (0.21%)	399.2 V	1.38 V (0.34%)	130.0 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.67 V (0.17%)	399.3 V	1.1 V (0.28%)	104.0 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.54 V (0.14%)	399.5 V	0.89 V (0.22%)	84.3 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.42 V (0.1%)	399.6 V	0.69 V (0.17%)	65.0 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.33 V (0.08%)	399.7 V	0.55 V (0.14%)	52.0 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.25 V (0.06%)	399.7 V	0.41 V (0.1%)	39.0 W	✓ OK (≤3%)

Til 90 Ampere over 30 meter ved 400V anbefales 25 mm² kobberkabel (spændingsfald 4.0V / 1.0%).

Det svarer til 62.35 kW med en anbefalet sikring på 90A.