Factor Table 13

Calculation factor according to German Standard VDE 0276-1000 (1999), Table 13, applicable to multicore cables with conductor cross-sections of 1.5 mm2 to 10 mm2.

The factors are to be used with respect to the nominal current rating of three-core cables.

Symbol
$F_{T13}$
Unit
p.u.
Choices
Number of loaded conductorsburiedin air
50.70.75
70.60.65
100.50.55
140.450.5
190.40.45
240.350.4
400.30.35
610.250.3