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

Kabeltværsnit for 80 Ampere ved 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 80 A over 30 m ved 400V.

Copper Cable (≤3% Drop)25 mm²Drop: 3.56V (0.89%)

Aluminum Cable (≤3% Drop)35 mm²Drop: 4.19V (1.05%)

Voltage at Load396.4 VLine Loss: 493.1 W

Max Power & Breaker55.43 kW80A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A 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	59.31 V (14.83%)	340.7 V	97.83 V (24.46%)	8217.6 W	Drop High
2.5 mm²	24 A	18 A	35.58 V (8.9%)	364.4 V	58.7 V (14.67%)	4930.6 W	Drop High
4 mm²	32 A	25 A	22.24 V (5.56%)	377.8 V	36.68 V (9.17%)	3081.6 W	Drop High
6 mm²	41 A	32 A	14.83 V (3.71%)	385.2 V	24.46 V (6.11%)	2054.4 W	Drop High
10 mm²	57 A	44 A	8.9 V (2.22%)	391.1 V	14.67 V (3.67%)	1232.6 W	Drop High
16 mm²	76 A	59 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	770.4 W	Drop High
25 mm²	101 A	78 A	3.56 V (0.89%)	396.4 V	5.87 V (1.47%)	493.1 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.54 V (0.64%)	397.5 V	4.19 V (1.05%)	352.2 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.78 V (0.44%)	398.2 V	2.93 V (0.73%)	246.5 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.27 V (0.32%)	398.7 V	2.1 V (0.52%)	176.1 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.94 V (0.23%)	399.1 V	1.54 V (0.39%)	129.8 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.74 V (0.19%)	399.3 V	1.22 V (0.31%)	102.7 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.59 V (0.15%)	399.4 V	0.98 V (0.24%)	82.2 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.48 V (0.12%)	399.5 V	0.79 V (0.2%)	66.6 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	51.4 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.3 V (0.07%)	399.7 V	0.49 V (0.12%)	41.1 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.22 V (0.06%)	399.8 V	0.37 V (0.09%)	30.8 W	✓ OK (≤3%)

Til 80 Ampere over 30 meter ved 400V anbefales 25 mm² kobberkabel (spændingsfald 3.56V / 0.89%).

Det svarer til 55.43 kW med en anbefalet sikring på 80A.