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

Kabeltværsnit for 5 Ampere ved 300 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 5 A over 300 m ved 400V.

Copper Cable (≤3% Drop)6 mm²Drop: 9.27V (2.32%)

Aluminum Cable (≤3% Drop)10 mm²Drop: 9.17V (2.29%)

Voltage at Load390.7 VLine Loss: 80.2 W

Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 300m

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	37.07 V (9.27%)	362.9 V	61.14 V (15.29%)	321.0 W	Drop High
2.5 mm²	24 A	18 A	22.24 V (5.56%)	377.8 V	36.68 V (9.17%)	192.6 W	Drop High
4 mm²	32 A	25 A	13.9 V (3.47%)	386.1 V	22.93 V (5.73%)	120.4 W	~ ≤5%
6 mm²	41 A	32 A	9.27 V (2.32%)	390.7 V	15.29 V (3.82%)	80.2 W	✓ OK (≤3%)
10 mm²	57 A	44 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	48.1 W	✓ OK (≤3%)
16 mm²	76 A	59 A	3.47 V (0.87%)	396.5 V	5.73 V (1.43%)	30.1 W	✓ OK (≤3%)
25 mm²	101 A	78 A	2.22 V (0.56%)	397.8 V	3.67 V (0.92%)	19.3 W	✓ OK (≤3%)
35 mm²	125 A	97 A	1.59 V (0.4%)	398.4 V	2.62 V (0.66%)	13.8 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.11 V (0.28%)	398.9 V	1.83 V (0.46%)	9.6 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.79 V (0.2%)	399.2 V	1.31 V (0.33%)	6.9 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.59 V (0.15%)	399.4 V	0.97 V (0.24%)	5.1 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.46 V (0.12%)	399.5 V	0.76 V (0.19%)	4.0 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	3.2 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.3 V (0.08%)	399.7 V	0.5 V (0.12%)	2.6 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.23 V (0.06%)	399.8 V	0.38 V (0.1%)	2.0 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	1.6 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.14 V (0.03%)	399.9 V	0.23 V (0.06%)	1.2 W	✓ OK (≤3%)

Til 5 Ampere over 300 meter ved 400V anbefales 6 mm² kobberkabel (spændingsfald 9.27V / 2.32%).

Det svarer til 3.46 kW med en anbefalet sikring på 6A.